Math Intervention 3–5 Grade

Addition and Subtraction Concepts 77

Rigorous Problem Solving with the Concept of
Fact Families 1

In the Funny Bunny game, players try to name the number
hidden on one of the bunny’s ears and the four facts in the
fact family.

Part A

Which fact belongs to the fact family represented above?

o 8 + 12 = 21
o 8 – 12 = 4
o 4 + 8 = 12
o 21 – 8 = 12
o 4 + 12 = 8

Part B

List the four facts in a different fact family that has the
sum of 12.

© 2016, Math Intervention: Grades 3–5, Jennifer Taylor-Cox, Routledge