A. Box August 2015

Number Sense X

Did you know that…

5 x 7 x 2

…multiplication number order can be changed…

5 x 2 x 7 10 x 7 70= = =

…to make multiplying easier?

6 x 3 x 10 6 x 10 x 3 60 x 3 180===

Your Turn:

2 x 13 x 5

…work on your own or in a pair to solve…

Using this strategy…

…any or all of the following:

5 x 9 x 2 10 x 2 x 9

3 x 10 x 65 x 12 x 2

2 x 8 x 5

Be ready to share how you did it with the class!

10 x 8 x 10