Using Mental Math to Multiply 2-Digit Numbers (Are You My Match?)

Unit 12: Multiplying and Dividing
Lesson 5 of 23

Objective: SWBAT discover and understand patterns used to multiply by 10 and 100.

Big Idea: Basic facts and place-value patterns can be used to mentally multiply a two-digit number by a power of 10.

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  55 minutes
mental math
 
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