Transcript Slide 1

Arrays and Fact Families
Arrays can help you with
multiplication and division
Arrays and Fact Families
An array is a group of objects in equal
rows and columns.
Arrays and Fact Families
How many stars are in this array? How do
you know?
Arrays and Fact Families
Write two multiplication facts that this array
helps you to solve:
1.____________________
2.____________________
Arrays and Fact Families
How many stars are in one column? How
do you know?
Arrays and Fact Families
How many stars are in one row? How do
you know?
Arrays and Fact Families
Write two division facts that this array
helps you to solve:
1.____________________
2.____________________
Arrays and Fact Families
Write all four facts that this array helps you
to solve.
1.___________________________
2.___________________________
3.___________________________
4. ___________________________
Your Turn to Practice!
What four facts does this array help
you to solve?
1.______________________________ 2.__________________________
3.____________________________4.__________________________
Use Fact Families to Help You!
____ X 9 = 54
What other 2 facts could help you solve
this problem?
1.________________________
2.________________________
Use Fact Families to Help You!
____ X 8 = 32
What other 2 facts could help you solve
this problem?
1.________________________
2.________________________
Complete Practice 4.2

When you are finished, please practice
your math facts. Your goal is to be able
to quickly say the answer to each of the
facts in your bag.

You may get new index cards to make
new facts.