6-7 multiplication with larger factors

6-7 multiplication with larger factors

Multiple Choice

Which fact has a greater product?

• $4\times6$

• $5\times8$

Multiple Choice

Which fact has a greater product?

• $3\times7$

• $3\times4$

Multiple Choice

Which fact has a greater product?

• $2\times8$

• $5\times5$

Open Ended

Can we compare any of these pairs of multiplication facts without solving them? How? Share your thinking.

Pull out your Math Journal

Complete page 203

Multiple Choice

What did Sadie do to solve

 $5\times12$  ?

• She broke up 12 into 10 and 2, then multipliyed 10 by 5 to get 50 and 2 by 5 to get 10.  Finally she added 50+10=60.

• She added 5 twelve times to get 5+5+5+5+5+5+5+5+5+5+5+5=60

• She saw that 12 was a double and broke into 6 and 6.  Then she multiplied 6 by 5 to get 30. Then added 30+30=60.

Multiple Choice

What helper fact did Sadie use?

• $5\times10=50$

• $5\times6=30$

• $5\times2=10$

Look at Math Journal page 204

Complete #1,

 $6\times15$  

Your Quizziz is done!

Complete Math Journal page 204