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Area Model Decimals

tipo de documento Matematiques - Expérimentation/Travaux pratiques

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Build rectangles of various sizes and relate multiplication to area. Partition a rectangle into smaller areas and discover new strategies for multiplying decimals!

Objetivos de Aprendizaje

Recognize that area represents the product of two numbers and is additive
Develop and justify a strategy that uses the area model to simplify a decimal multiplication problem
Devise a strategy to determine the product of two rational numbers (or an integer and a rational number) by representing the product as an area or the sum of areas
Use an area model to understand why multiplying a given number by a decimal less than 1 results in a product smaller than the given number
Interpret the product of two rational numbers using base-ten tiles