Count and Compare A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Dom Carorora, Azar Kamaldar K-5 Guided Mathematics Number Compare (HTML5)
My mystery number A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Dom Carorora, Azar Kamaldar K-5 Demo
Guided		 Mathematics Number Play (HTML5)
True or False? 1st grade A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Dom Carorora, Azar Kamaldar, Ian Whitacre K-5 Guided Mathematics Number Compare (HTML5)
Ten and how many more? A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Dom Carorora, Azar Kamaldar K-5 Guided Mathematics Number Play (HTML5)
Organize it! A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Dom Carorora, Azar Kamaldar, Ian Whitacre K-5 Guided Mathematics Number Play (HTML5)
Addition strategies within 10 (or 20) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Dom Carorora, Azar Kamaldar K-5 Guided Mathematics Number Play (HTML5)
Subtraction stories A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Dom Carorora, Azar Kamaldar K-5 Guided Mathematics Number Play (HTML5)
Drag and count A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Azar Kamaldar, Dom Carorora, Ian Whitacre K-5 Guided Mathematics Number Play (HTML5)
Family of Mr. 10 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Azar Kamaldar, Dom Carorora, Ian Whitacre K-5 Guided Mathematics Number Play (HTML5)
Comparing numbers using a vertical number line A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Dom Carorora, Azar Kamaldar K-5 Guided
Demo		 Mathematics Number Compare (HTML5)
True or False? Kindergarten A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Dom Carorora, Azar Kamaldar, Ian Whitacre K-5 Guided Mathematics Number Compare (HTML5)
Comparing Ratios A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry MS Guided Mathematics Proportion Playground (HTML5)
Graphing Quadratics A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Zach Mbasu HS Guided Mathematics Graphing Quadratics (HTML5)
What is a Fraction? A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Anonymous K-5 Guided Mathematics Fractions: Intro (HTML5)
 Fractions Intro
Slope-Intercept Lesson and Activity Sheet A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry HS
MS		 Guided
Remote		 Mathematics Graphing Lines (HTML5)
 Graphing Lines
 Graphing Slope-Intercept (HTML5)
Slope-Intercept Lesson and Activity Sheet A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry HS
MS		 Guided
Remote		 Mathematics Graphing Lines (HTML5)
 Graphing Lines
 Graphing Slope-Intercept (HTML5)
Balancing Act Remote Lab A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein MS
K-5
HS
UG-Intro		 Lab
HW
Remote		 Mathematics
Physics		 Balancing Act (HTML5)
Vector Addition 1: Introduction to vector math (Inquiry Based) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein UG-Intro
HS		 Lab Mathematics
Physics		 Vector Addition (HTML5)
 Vector Addition
Vector Addition 2: Understanding Force equilibrium (Inquiry Based) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein HS
UG-Intro		 Other Physics
Mathematics		 Vector Addition (HTML5)
 Vector Addition
Adding and Subtracting Expressions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry MS Guided Mathematics Expression Exchange (HTML5)
Algebraic Expressions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry MS Guided Mathematics Area Model Algebra (HTML5)
 Expression Exchange (HTML5)
Generating Equivalent Expressions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry MS Guided Mathematics Expression Exchange (HTML5)
Patterns and Ratios A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Ian Whitacre, Sebnem Tekin K-5
MS		 Guided Mathematics Proportion Playground (HTML5)
Displaying, Analyzing, and Summarizing Data A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Jeffrey Bush MS Guided Mathematics Plinko Probability (HTML5)
Trig Tour - Connecting the Unit Circle to the Graph A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Susan Miller HS Guided Mathematics Trig Tour (HTML5)
Trig Tour - Seeing Patterns in a Unit Circle A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Susan Miller HS Guided Mathematics Trig Tour (HTML5)
Trig Tour - Using Reference Angles with a Unit Circle A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Susan Miller HS Guided Mathematics Trig Tour (HTML5)
What are the chances? A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Susan Miller HS
MS		 Guided Mathematics Plinko Probability (HTML5)
Slope and Speed (revised) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Sarah Borenstein MS Lab Physics
Mathematics		 Graphing Lines (HTML5)
Exploring Slope and Speed A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Sarah Borenstein and Trish Loeblein MS Lab
Guided		 Mathematics
Physics		 Graphing Lines (HTML5)
Scaling Shapes Activity and Lesson A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry HS
MS		 Guided Mathematics Area Builder (HTML5)
Point-Slope Lesson and Activity Sheet A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry MS
HS		 Guided Mathematics Graphing Lines (HTML5)
 Graphing Lines
Slope Lesson and Activity Sheet A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Amanda McGarry HS
MS		 Guided Mathematics Graphing Lines (HTML5)
 Graphing Lines
Fraction Matcher Game A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. This contribution was designed by PhET. Trish Loeblein K-5
HS
MS		 Lab
HW		 Mathematics Fraction Matcher (HTML5)
 Fraction Matcher
Exploring integers A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Jesus Eduardo Villamizar Rincon K-5
MS		 Demo
Discuss
Remote
MC
Guided		 Mathematics Number Line: Distance (HTML5)
 Number Line: Integers (HTML5)
Exploring integers A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Jesus Eduardo Villamizar Rincon K-5
MS		 Demo
Discuss
Remote
MC
Guided		 Mathematics Number Line: Distance (HTML5)
 Number Line: Integers (HTML5)
Introduction to vectors A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Jesus Eduardo Villamizar Rincon MS
UG-Intro
HS		 MC
Discuss
Demo
Lab
Remote
Guided		 Mathematics
Physics		 Vector Addition (HTML5)
 Vector Addition
PhET - Explore Absolute Value on the Number Line Distance Activity A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Linda Cochran MS Guided Mathematics Number Line: Distance (HTML5)
Bank Shots A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Daniel Greenberg MS Guided Mathematics Proportion Playground (HTML5)
Balancing Act A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Michael Reynolds MS Guided Mathematics Equality Explorer (HTML5)
Fractions Tops and Bottoms A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Janelle Stanton MS Guided
Discuss		 Mathematics Fractions: Equality (HTML5)
Using Transformations to Graph in Slope-Intercept Form A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Dana Alderman HS
MS		 Guided Mathematics Graphing Lines (HTML5)
Parabolas on the Move! A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Lauren Rider, Alayna Vuylsteke MS
HS		 Demo
Discuss
Guided		 Mathematics Graphing Quadratics (HTML5)
Similar Triangles and Slope A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Andrew Freeman MS Guided Mathematics Graphing Lines (HTML5)
 Graphing Lines
Quadratic Transformations (Vertex form) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Jennifer Moeller, Kevin Stirling HS Guided Mathematics Graphing Quadratics (HTML5)
Exploring parallel and perpendicular lines A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. David Schenck MS
HS		 Lab
Guided		 Mathematics Graphing Lines (HTML5)
Comparing and Ordering Fractins Day 2 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 Guided Mathematics Fractions: Intro (HTML5)
 Fractions Intro
What is a Fraction? Day 1 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 Guided Mathematics Fractions: Intro (HTML5)
 Fractions Intro
Building Fraction Sense Using “Fractions Intro PhET Simulation” A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Philippe Guegan MS
K-5		 Guided
Discuss		 Mathematics Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
Building Fraction Sense Using “Fractions Intro PhET Simulation” A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Philippe Guegan MS
K-5		 Guided
Discuss		 Mathematics Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
Equivalent Fractions Day 3 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 Guided Mathematics Build a Fraction (HTML5)
 Build a Fraction
 Fractions: Intro (HTML5)
 Fractions Intro
Equivalent Fractions Day 3 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 Guided Mathematics Build a Fraction (HTML5)
 Build a Fraction
 Fractions: Intro (HTML5)
 Fractions Intro
Fractions 3 Day Unit A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 Guided Mathematics Build a Fraction (HTML5)
 Build a Fraction
 Fractions: Intro (HTML5)
 Fractions Intro
Fractions 3 Day Unit A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 Guided Mathematics Build a Fraction (HTML5)
 Build a Fraction
 Fractions: Intro (HTML5)
 Fractions Intro
Understanding Line of best fit and Correlation Coefficient A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Rebecca Battat HS Guided Mathematics Least-Squares Regression (HTML5)
What is Equality A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. David Wood HS
MS		 HW
Lab
Guided
Discuss		 Mathematics Equality Explorer (HTML5)
Linear Equations in Slope-Intercept and Point-Slope Form using “Graphing Lines PhET Simulation” A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Enhui Chu MS
HS		 Lab
Discuss
Guided		 Mathematics Graphing Lines (HTML5)
Introduction to Inequalities A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Marleene Buttice MS Guided Mathematics Equality Explorer (HTML5)
Solving Multi-Step Equations A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meenakshi Raghavan MS Guided Mathematics Equality Explorer (HTML5)
Beaded Factors A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Heather Politi MS
K-5		 Guided Mathematics Proportion Playground (HTML5)
Fraction Matcher Scaffolding Lesson A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Julie Litt and AnnMarie Fore K-5
MS		 Guided Mathematics Fraction Matcher (HTML5)
Making Sense of Slope A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Jim Freund MS Guided Mathematics Graphing Lines (HTML5)
 Graphing Lines
Equivalent Expression Exploration A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Kimberly Struck MS Guided Mathematics Expression Exchange (HTML5)
Paint Splat: Comparing Ratios A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Kathyrn Studer, Heather Politi MS Guided Mathematics Proportion Playground (HTML5)
Like Terms and How to Combine Them A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Julie Carres MS Guided Mathematics Expression Exchange (HTML5)
Comparing Equivalent Expressions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Pam Brenner HS
MS		 Guided Mathematics Expression Exchange (HTML5)
Exploring Solving Systems of Linear Equations A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Mary Burr MS Discuss
Guided		 Mathematics Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
Exploring Solving Systems of Linear Equations A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Mary Burr MS Discuss
Guided		 Mathematics Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
Making Green Paint A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Michael Matassa MS Guided
Discuss		 Mathematics Proportion Playground (HTML5)
Go the Distance! A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Mary Burr MS Discuss
Guided		 Mathematics Graphing Lines (HTML5)
Exploring Equivalence with Rational Numbers: Part 2 Extending to Mixed Numbers A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Michael Matassa MS
K-5		 Lab
Guided
Discuss		 Mathematics Fraction Matcher (HTML5)
 Fraction Matcher
Exploring Equivalence with Rational Numbers: Part 1 Fractions less than or equal to 1 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Michael Matassa MS
K-5		 Lab
Guided
Discuss		 Mathematics Fraction Matcher (HTML5)
 Fraction Matcher
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Middle School Math Sim Alignment This contribution was designed by PhET. Amanda McGarry MS Align Mathematics Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Area Model Introduction (HTML5)
 Area Model Multiplication (HTML5)
 Equality Explorer (HTML5)
 Equality Explorer: Basics (HTML5)
 Equality Explorer: Two Variables (HTML5)
 Expression Exchange (HTML5)
 Function Builder (HTML5)
 Function Builder: Basics (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Least-Squares Regression (HTML5)
 Plinko Probability (HTML5)
 Proportion Playground (HTML5)
 Unit Rates (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Games Remote Lesson ideas This contribution was designed by PhET. Trish Loeblein UG-Intro
HS
MS
K-5		 HW
Remote		 Mathematics
Physics
Chemistry		 Area Builder (HTML5)
 Area Model Algebra (HTML5)
 Area Model Decimals (HTML5)
 Arithmetic (HTML5)
 Balancing Act (HTML5)
 Balancing Chemical Equations (HTML5)
 Build a Fraction (HTML5)
 Build an Atom (HTML5)
 Equality Explorer (HTML5)
 Expression Exchange (HTML5)
 Fraction Matcher (HTML5)
 Fractions: Equality (HTML5)
 Fractions: Intro (HTML5)
 Fractions: Mixed Numbers (HTML5)
 Graphing Lines (HTML5)
 Graphing Slope-Intercept (HTML5)
 Make a Ten (HTML5)
 Reactants, Products and Leftovers (HTML5)
Mixing paint with ratios This contribution was designed by PhET. Jennifer Knudsen, Teresa Lara-Meloy, Amanda McGarry MS Discuss Mathematics Proportion Playground (HTML5)
Correlation vs Causation Andy Braaten HS
UG-Intro		 Lab Mathematics Least-Squares Regression (HTML5)
Binomial Distribution Samuel Ogalo, Dario Domingo HS
MS		 Guided
Remote
HW		 Mathematics Plinko Probability (HTML5)
Counting 1-10 Briana Clarke K-5 Guided Mathematics Number Play (HTML5)
NUMBER LINE (DISTANCE) OLUWAKEMI OGUNBIYI K-5
MS
HS
UG-Intro		 Lab
Demo
MC
HW
Guided
Discuss		 Mathematics Number Line: Distance (HTML5)
 Number Line: Operations (HTML5)
NUMBER LINE (DISTANCE) OLUWAKEMI OGUNBIYI K-5
MS
HS
UG-Intro		 Lab
Demo
MC
HW
Guided
Discuss		 Mathematics Number Line: Distance (HTML5)
 Number Line: Operations (HTML5)
Lesson Plan basma abdelwareth HS Other Mathematics Graphing Quadratics (HTML5)
Transformation of functions (Translation) basma abdelwareth HS MC Mathematics Graphing Quadratics (HTML5)
NUMBER LINE : OPERATION OWEN MULINYA MS
HS		 Guided
Demo
Discuss		 Mathematics Number Line: Operations (HTML5)
Add and Subtract WN & I RACHEL G LeTraunik K-5 Remote
HW
Discuss		 Mathematics Number Line: Operations (HTML5)
Integer Addition and Subtraction Assessment Gillian Walker HS
MS		 Remote
HW
Lab		 Mathematics Number Line: Operations (HTML5)
PhET Number Lines Integers Stories Activity Cari Fox MS Guided Mathematics Number Line: Integers (HTML5)
Adding Vectors Visually and Mathematically - Intro Jeremy smith UG-Intro
HS		 Guided
Lab
Remote		 Physics
Mathematics		 Vector Addition (HTML5)
Vector Addition Worksheet Anas Khaled Alhouria MS
HS
UG-Intro		 Lab
Demo
HW		 Mathematics
Physics		 Vector Addition (HTML5)
Find The components of a vector Dr Akhlaq Ahmad HS HW
Lab		 Mathematics
Physics		 Vector Addition (HTML5)
Finding Equivalent Fractions H. HENNINGS K-5 Lab
Guided
HW		 Mathematics Fractions: Equality (HTML5)
Mixed Number Intro Sharifa Footman K-5 HW
Lab
Guided		 Mathematics Fractions: Mixed Numbers (HTML5)
Exploring Area and Perimeter Jill Minello K-5 Guided Mathematics Area Builder (HTML5)
Introduction to Equivalent Fractions Timothea Ratchford K-5 Guided Mathematics Fractions: Equality (HTML5)
Graphing Slope Intercept Fernanda Saavedra MS Lab
Guided		 Mathematics Graphing Slope-Intercept (HTML5)
GEOMETRIA ANALÍTICA ENVOLVENDO O ESTUDO DA RETA Cícera Fernandes; Francisco Regis Vieira Alves Other Lab Mathematics Graphing Slope-Intercept (HTML5)
Equality Explorer: Homework + Class Venn Diagram Becca Kreidler HS
MS		 HW Mathematics Equality Explorer: Basics (HTML5)
Border Problem - Intro to Algebraic Expressions Jennifer Moeller MS
HS		 Discuss
Guided		 Mathematics Area Builder (HTML5)
PhET Lesson: Graphing Slope-Intercept Carolyn Felknor MS Guided Mathematics Graphing Slope-Intercept (HTML5)
Equality Explorer - 6th Grade intro to solving Trevor Gibson MS Guided Mathematics Equality Explorer (HTML5)
Exploring Equations Akili Obika HS
MS		 Guided Mathematics Equality Explorer (HTML5)
Naming Fractions Bettie Parker K-5 Guided
HW
Lab
Discuss
Demo		 Mathematics Fractions: Intro (HTML5)
Equivalent Fractions Sherene Irvine K-5 Discuss
Lab
Guided
Demo
HW		 Mathematics Fractions: Equality (HTML5)
분수 소개 SIM 사용설명서 이화국(Wha Kuk Lee) MS HW
Demo		 Mathematics Fractions: Intro (HTML5)
 Fractions Intro
분수 만들기 SIM 사용설명서 이화국(Wha Kuk Lee) K-5 HW
Demo		 Mathematics Build a Fraction (HTML5)
 Build a Fraction
Kesirler - 3 Derslik Öğrenci Çalışması Sebnem Atabas (Translated from Fraction Unit Student Sheet by Meaghan Hixson) MS Guided Mathematics Build a Fraction (HTML5)
 Build a Fraction
Data Detective Kelly Findley, Mary Burr MS Guided Mathematics Least-Squares Regression (HTML5)
Graphing Systems of Equations Brock Atwood, Amanda Kurjak, Chelsea Tattershall MS Guided Mathematics Graphing Slope-Intercept (HTML5)
Fencing Spaces: Fixed Perimeter, Changing Area Krystle Hapner K-5
MS		 Guided Mathematics Area Builder (HTML5)
Exploring Rectangles (area and perimeter) Conor Doyle K-5 Guided
HW
Lab		 Mathematics Area Builder (HTML5)
Variables and Coefficients Lisa Nitzsche MS
K-5		 Guided
Discuss		 Mathematics Expression Exchange (HTML5)
Building Area and Perimeter Jasmine Sidana K-5 Guided Mathematics Area Builder (HTML5)
Creating a Garden Alanna Toomey K-5 Guided Mathematics Area Builder (HTML5)
Plinko Probability for Long-Run Frequencies Kelly Findley MS Guided Mathematics Plinko Probability (HTML5)
Adding Negations Julie Carres MS Guided Mathematics Expression Exchange (HTML5)
Unit Rate as Slope Cary Hoste MS
HS		 Guided
Other		 Mathematics Proportion Playground (HTML5)
Plano Cartesiano e Par Ordenado Eugeniano Brito Martins K-5 Lab
Discuss
HW		 Mathematics Equation Grapher
 Graphing Slope-Intercept (HTML5)
Area Builder Lesson Stefanie Akrish K-5 Lab
HW
Guided		 Mathematics Area Builder (HTML5)
Fraction Matcher Grades 3-5 Molly Martin K-5 Guided Mathematics Fraction Matcher (HTML5)
 Fraction Matcher
Area Builder for grades 3-5 Molly Martin K-5 Guided Mathematics Area Builder (HTML5)