Author:
Christine Gysin

**CCSS**

__Review__: Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. (3.OA.1)

__Introduce__: Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. (4.NBT.5) (Numbers ≤ 1,000,000)

Students will understand the relationship between a multiplication problem and a two-dimensional array.

Tutorial

Multiplication using Arrays Worksheet

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