LESSON 9: Multiplying Numbers up to Three Digits by Numbers up to Two Digits with Regrouping

DISCOVER

How do multiply numbers with regrouping?

Watch this:

Short Method:

Lattice Method:

LET’S MOVE!

Activity 1

Find the product using the short method.

1.) 342 x 26

2.) 341 x 52

3.) 871 x 12

4.) 421 x 18

5.) 419 x 31

Activity 2

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