|Source||PhET Interactive Simulations|
|Learning Resource Type||Simulation|
|Scaling Shapes Activity and Lesson|
|How do PhET simulations fit in my middle school program?|
|Alignment of PhET sims with NGSS|
|CCSS Math Alignment with Sims|
|MS and HS TEK to Sim Alignment|
|Fencing Spaces: Fixed Perimeter, Changing Area|
|Exploring Rectangles (area and perimeter)|
|Building Area and Perimeter|
|Creating a Garden|
|Area Builder Lesson|
|Area Builder for grades 3-5|
|What's My Area?|
|Preguntas de razonamiento para todas las simulaciones HTML5|
|Mali majstor za površine|
|Veliki majstor za površine|
|Área de Figuras Planas|
|Áreas y Perímetros|
|Area Model Introduction|
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