5-9 Multiplication Strategies: Near Squares

5-9 Multiplication Strategies: Near Squares

Math Message

Kallie knows

 $7\times7=49$  How could she use  $7\times7$  as a helper fact to figure out  $8\times7$  ?

Open Ended

Share your ideas about how Kallie and the math message.

Multiple Choice

Which square helper fact could you use to find

 $4\times3=?$  

•  $2\times2=4$  

•  $3\times3=9$  

•  $5\times5=25$  

•  $6\times6=36$  

Multiple Choice

If I used

 $3\times3=9$  to find  $4\times3=?$  What would I need to do next?

• add a group of 3

• subtract a group of 3

• add a group of 4

• subtract a group of 4

Multiple Choice

If I chose to use  $4\times4=16$  as my square helper fact, what would I need to do next to determine  $4\times3=?$  

• Add a group of 3

• Subtract a group of 3

• Add a group of 4

• Subtract a group of 4

Fill in the Blank

 $5\times5=?$  

Solve the multiplication square:

Fill in the Blank

 $6\times6=?$  

Solve the multiplication square: