Arrays and Fact Families

1
Arrays and Fact Families

• Arrays can help you with multiplication and
  division

2
Arrays and Fact Families

• An array is a group of objects in equal rows and
  columns.

3
Arrays and Fact Families

• How many stars are in this array? How do you know?

4
Arrays and Fact Families

• Write two multiplication facts that this array
  helps you to solve

1.____________________ 2.____________________
5
Arrays and Fact Families

• How many stars are in one column? How do you know?

6
Arrays and Fact Families

• How many stars are in one row? How do you know?

7
Arrays and Fact Families

• Write two division facts that this array helps
  you to solve

1.____________________ 2.____________________
8
Arrays and Fact Families

• Write all four facts that this array helps you to
  solve.

1.___________________________ 2._________________
__________ 3.___________________________ 4.
___________________________
9
Your Turn to Practice!
What four facts does this array help you to solve?
1.______________________________
2.__________________________
3.____________________________4.__________________
________
10
Use Fact Families to Help You!

• ____ X 9 54
• What other 2 facts could help you solve this
  problem?
• 1.________________________
• 2.________________________

11
Use Fact Families to Help You!

• ____ X 8 32
• What other 2 facts could help you solve this
  problem?
• 1.________________________
• 2.________________________

12
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.