Area calculation and area model

Area builder

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Create your own shape with colored blocks and explore the relationship between perimeter and area. Compare the area and perimeter of two shapes side by side. Test yourself on the game screen to build shapes or find the area of funky shapes - try to collect lots of stars!

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Area model: introduction

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Build rectangles of various sizes and relate multiplication to area. Divide a rectangle into two areas to discover the distributive property.

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Area model: multiplication

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Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying long numbers and use the Game window to test your problem solving strategies!

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Click here to start the simulation

Area model: algebra

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Build rectangles of various sizes and relate multiplication to area. Discover new strategies for multiplying algebraic expressions. Use the "Game" window to test your multiplication and factoring skills.

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Click aquí para arrancar la simulación

Area model: decimals

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Build rectangles of various sizes and relate multiplication to area. Make smaller area partitions in a rectangle and discover new strategies for multiplying decimals!

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Click here to start the simulation