Question
Using known Facts to Find Unknown Facts. You can use breaking apart to find a product. Find 4 x 5.
example: 4 x 5= 2x5+2x5
=10 + 10
=20
example: 4 x 5= 2x5+2x5
=10 + 10
=20
Answers
Ms. Sue
Yes!
Anonymous
How can you use 4 facts to find 7x8 ?