1. EQ:How are multiplication and division related
EQ:How are multiplication and division related? How can the same array represent both multiplication and division?
October 22, 2013

2. Standard
MCC3.OA.5 Apply properties of operations to multiply and divide. MCC3.OA.6 Understand division as an unknown-factor problem

3. Number Talk

4. What is a fact family?
Fact Families are sets of three numbers that can be added and subtracted or divided and multiplied together and they help develop the understanding of the relationship between addition and subtraction or multiplication and division.

5. Practice
Write two addition and two subtraction equations for the numbers 5, 7, 12.
Now try 9, 8, 17.

6. Practice
Now I want you to try and write two multiplication and two division equations for the numbers 6, 7, 42.
One more…
5, 45, 9

7. Work Time
Complete Fact Family page
Guided Math groups

8. Closing
What is a fact family?