1
Given: 87 - 45 42 — Write all fact family equations for {42, 45, 87} =
2
Given: 50 - 34 16 — Write all fact family equations for {34, 16, 50} =
3
Given: 45 - 33 12 — Write all fact family equations for {12, 33, 45} =
4
Given: 8 + 41 49 — Write all fact family equations for {41, 8, 49} =
5
Given: 65 - 21 44 — Write all fact family equations for {21, 44, 65} =
6
Given: 19 + 4 23 — Write all fact family equations for {19, 4, 23} =