Arrays

=Arrays=


 * Below are several activities, worksheets, and games for students to practice using and creating arrays.**
 * Review multiplication facts before and while students use arrays to model products of equations.**


 * Common Core Standard Addressed**

4.OA.2. Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.1 (Students will connect this standard by using arrays to represent a product of an equation as well as differentiate between multiplication and addition. The focus here is not so much on the arrays themselves but on the use of them to master the concept).

(differentiation for multiplication tables should not be necessary, difficulty of equations given to create arrays can be modified) -Create array cards for the students to use. -Using graph paper or cubes have the students create an array from a given number. -Have the students create and model an equation using an array. (ex: 7+7+7+7+7+7 = 6 x 7) -Revisit multiplication facts using arrays
 * __Activities__**


 * __Worksheets__**

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 * Solve Multiplication with Simple Arrays**

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 * Exploring Multiplication with Arrays**


 * __Games__**

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 * Factorize (Factoring by creating arrays)**

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 * Factorize 2**