Fact Family Triangles

What addition fact is in this fact family?

• 2 + 1 = 3

• 1 + 2 = 4

• 3 - 2 = 5

• 2 + 3 = 5

What subtraction fact is in this fact family?

• 7 - 5 = 2

• 7 - 3 = 2

• 3 + 4 = 7

• 7 - 4 = 3

Which addition fact is in this fact family?

• 5 + 3 = 8

• 8 - 5 = 3

• 3 + 3 = 6

• 3 + 5 = 7

What subtraction fact goes with this fact family?

• 8 + 4 = 4

• 8 - 4 = 4

• 4 + 4 = 8

• 8 - 4 = 3

What number sentence is missing from this fact family?

• 10+5=15

• 15+5=20

• 20-5=15

• 5+5=10

Which fact is NOT part of this triangle's fact family?

• 5 - 4 = 1

• 5 - 1 = 4

• 1 + 4 = 5

• 4 + 5 = 9

Which fact is NOT part of this triangle's fact family?

• 6 + 3 = 9

• 3 + 3 = 6

• 6 - 3 = 3

Which fact is NOT part of this triangle's fact family?

• 9 - 8 = 1

• 1 + 8 = 9

• 9 - 2 = 7

• 8 + 1 = 9

What number is missing from this fact family triangle?

• 4

• 5

• 6

What number is missing from this fact family triangle?

• 4

• 5

• 6

• 3