hard Set 51 Form Exercise

Write the fact family for 1, 7, 8:

Show answer

Answer: 1 + 7 = 8; 7 + 1 = 8; 8 - 1 = 7; 8 - 7 = 1

SubType
fact-family
Facts
  • 1 + 7 = 8
  • 7 + 1 = 8
  • 8 - 1 = 7
  • 8 - 7 = 1
Difficulty
hard

Write the fact family for 5, 5, 10:

Show answer

Answer: 5 + 5 = 10; 5 + 5 = 10; 10 - 5 = 5; 10 - 5 = 5

SubType
fact-family
Facts
  • 5 + 5 = 10
  • 5 + 5 = 10
  • 10 - 5 = 5
  • 10 - 5 = 5
Difficulty
hard

Write the fact family for 3, 4, 12:

Show answer

Answer: 3 × 4 = 12; 4 × 3 = 12; 12 ÷ 3 = 4; 12 ÷ 4 = 3

SubType
fact-family
Facts
  • 3 × 4 = 12
  • 4 × 3 = 12
  • 12 ÷ 3 = 4
  • 12 ÷ 4 = 3
Difficulty
hard

Write the fact family for 5, 7, 35:

Show answer

Answer: 5 × 7 = 35; 7 × 5 = 35; 35 ÷ 5 = 7; 35 ÷ 7 = 5

SubType
fact-family
Facts
  • 5 × 7 = 35
  • 7 × 5 = 35
  • 35 ÷ 5 = 7
  • 35 ÷ 7 = 5
Difficulty
hard

Write the fact family for 5, 3, 8:

Show answer

Answer: 5 + 3 = 8; 3 + 5 = 8; 8 - 5 = 3; 8 - 3 = 5

SubType
fact-family
Facts
  • 5 + 3 = 8
  • 3 + 5 = 8
  • 8 - 5 = 3
  • 8 - 3 = 5
Difficulty
hard

Write the fact family for 1, 1, 2:

Show answer

Answer: 1 + 1 = 2; 1 + 1 = 2; 2 - 1 = 1; 2 - 1 = 1

SubType
fact-family
Facts
  • 1 + 1 = 2
  • 1 + 1 = 2
  • 2 - 1 = 1
  • 2 - 1 = 1
Difficulty
hard