Expression Exchange
Denne simuleringa har ikkje vorte omsette til dette språket. Du kan likevel starte den engelske versjonen nedanfor.
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Last ned
Innbygging
Innhald
- Equivalent Expressions
- Evaluating Expressions
- Simplifying Expressions
Description
Build coin expressions, then exchange them for variable expressions. Simplify and evaluate expressions until you are ready to test your understanding of equivalent expressions in the game!
Døme på læringsmål
- Simplify expressions by combining like-terms
- Contextualize coefficients and like/unlike-terms
- Interpret an expression in both abstract and concrete representations
- Build an expression that is equivalent to a target
Standards Alignment
Common Core - Math
3.OA.A.1
Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.
5.OA.A.1
Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
6.EE.A.2
Write, read, and evaluate expressions in which letters stand for numbers.
6.EE.A.2b
Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as a single entity. For example, describe the expression 2 (8 + 7) as a product of two factors; view (8 + 7) as both a single entity and a sum of two terms.
6.EE.A.3
Apply the properties of operations to generate equivalent expressions. For example, apply the distributive property to the expression 3 (2 + x) to produce the equivalent expression 6 + 3x; apply the distributive property to the expression 24x + 18y to produce the equivalent expression 6 (4x + 3y); apply properties of operations to y + y + y to produce the equivalent expression 3y.
6.EE.A.4
Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them). For example, the expressions y + y + y and 3y are equivalent because they name the same number regardless of which number y stands for..
Version 1.1.14
Teacher Tips
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Lærarguiden (pdf) inneheld tips som er laga av PhET-teamet. ( PDF ). |
Video Primer
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Teacher-Submitted Activities
| Games Remote Lesson ideas |
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Trish Loeblein | vgs Barneskule Student - intro Ungdomsskule |
Lekse Remote |
Kjemi Fysikk Matematikk |
| Adding and Subtracting Expressions |
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Amanda McGarry | Ungdomsskule | Guided | Matematikk |
| Algebraic Expressions |
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Amanda McGarry | Ungdomsskule | Guided | Matematikk |
| Generating Equivalent Expressions |
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Amanda McGarry | Ungdomsskule | Guided | Matematikk |
| Sumando y Restando Expresiones |
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Amanda McGarry (Traducción Mayra Tavares) | Ungdomsskule | Guided | Matematikk |
| Comparando expresiones equivalentes |
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Pam Branner, traducción de Diana López | vgs Ungdomsskule |
Guided | Matematikk |
| Equivalent Expression Exploration |
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Kimberly Struck | Ungdomsskule | Guided | Matematikk | |
| Like Terms and How to Combine Them |
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Julie Carres | Ungdomsskule | Guided | Matematikk | |
| Comparing Equivalent Expressions |
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Pam Brenner | Ungdomsskule vgs |
Guided | Matematikk | |
| Generando Expresiones Equivalentes |
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Amanda McGarry (Traducción Mayra Tavares) | Ungdomsskule | Guided | Matematikk | |
| Expresiones Algebraicas |
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Amanda McGarry (Traducción por Mayra Tavares) | Ungdomsskule | Guided | Matematikk | |
| Middle School Math Sim Alignment |
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Amanda McGarry | Ungdomsskule | Anna | Matematikk | |
| SECUNDARIA: Alineación PhET con programas de la SEP México (2011 y 2017) |
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Diana López | Ungdomsskule vgs |
Anna | Kjemi Fysikk Matematikk Biologi |
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| PREPARATORIA: Alineación de PhET con programas de la DGB México (2017) |
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Diana López | vgs Student - intro |
Anna | Matematikk Kjemi Fysikk |
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| Adierazpen baliokideak alderatzea | José Manuel López Irastorza | vgs | Guided | Matematikk | ||
| Variables and Coefficients | Lisa Nitzsche | Barneskule Ungdomsskule |
Discuss Guided |
Matematikk | ||
| Adding Negations | Julie Carres | Ungdomsskule | Guided | Matematikk | ||
| Modelo de Áreas, Cambio de Expresiones | Andrés Gualberto Palomo Cuevas | vgs | Remote Lekse |
Matematikk | ||
| Continuación de Cambio de Expresiones | Andrés Gualberto Palomo Cuevas | vgs | Anna Lekse |
Matematikk | ||
| Cambio de Expresiones | Andrés Gualberto Palomo Cuevas | vgs | Lekse Remote |
Matematikk |
HTML5 sims can run on iPads and Chromebooks, as well as PC, Mac, and Linux systems.
iPad:
iOS 12+ Safari
iPad compatible sims
Android:
Not officially supported. If you are using the HTML5 sims on Android, we recommend using the latest version of Google Chrome.
Chromebook:
Latest version of Google Chrome
The HTML5 and Flash PhET sims are supported on all Chromebooks.
Chromebook compatible sims
Windows Systems:
Microsoft Edge, latest version of Firefox, latest version of Google Chrome.
Macintosh Systems:
macOS 10.13+, Safari 13+, latest version of Chrome.
Linux Systems:
Not officially supported. Please contact phethelp@colorado.edu with troubleshooting issues.
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