This lesson shows how to use place value blocks to show two-digit by two-digit multiplication using place value blocks. It correlates to Common Core Standard 4.NBT.4 and may help with PARCC style testing.
CCSS.MATH.CONTENT.4.NBT.B.5
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.

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