Fractions Intro
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About
Topics
- Fractions
- Equivalent Fractions
- Improper Fraction
- Number Line
Description
Explore fractions while you help yourself to 1/3 of a chocolate cake and wash it down with 1/2 a glass of orange juice! Create your own fractions using fun interactive objects. Match shapes and numbers to earn stars in the fractions games. Challenge yourself on any level you like. Try to collect lots of stars!
Sample Learning Goals
- Predict and explain how changing the numerator of a fraction affects the fraction's value
- Predict and explain how changing the denominator of a fraction affects the fraction's value
- Convert between a picture of a fraction, a numeric fraction, and a point on a number line
- Find matching fractions using numbers and pictures
- Make equivalent fractions using different numbers
- Match fractions in different picture patterns
- Compare fractions using numbers and patterns
For Teachers
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Teacher-Submitted Activities
| Title |
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Authors | Level | Type |
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| What is a Fraction? |
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Anonymous | K-5 | Other |
| Fractions 3 Day Unit |
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Meaghan Hixson | K-5 | Guided | |
| What is a Fraction? Day 1 of 3 |
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Meaghan Hixson | K-5 | Guided | |
| Equivalent Fractions Day 3 of 3 |
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Meaghan Hixson | K-5 | Guided | |
| Comparing and Ordering Fractins Day 2 of 3 |
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Meaghan Hixson | K-5 | Guided | |
| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | |
| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other | ||
| NGSS Simulation Alignment/Correlation | Matthew Huffine | K-5 MS HS UG-Intro |
Other Demo |
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| Comparing Fractions with Like Numerators and Denominators | Margaret McCabe | MS K-5 |
Lab | ||
| Building Fractions | Michellle Fiumefreddo | K-5 | CQs | ||
| 분수 소개 SIM 사용설명서 | 이화국(Wha Kuk Lee) | MS | CQs HW Demo |
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| Simulações no Ensino de Fisica | Carla Tavares | HS | Guided Lab Other HW Demo Discuss MC |
Translations
Related Simulations
Software Requirements
| Windows | Macintosh | Linux |
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Microsoft Windows XP/Vista/7 Sun Java 1.5.0_15 or later
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OS 10.5 or later Sun Java 1.5.0_19 or later
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Sun Java 1.5.0_15 or later
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Credits
| Design Team | Third-party Libraries | Thanks To |
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