medium Set 31 Form Exercise

Write the fact family for 1, 2, 3:

Show answer

Answer: 1 + 2 = 3; 2 + 1 = 3; 3 - 1 = 2; 3 - 2 = 1

SubType
fact-family
Facts
  • 1 + 2 = 3
  • 2 + 1 = 3
  • 3 - 1 = 2
  • 3 - 2 = 1
Difficulty
medium

Write the fact family for 5, 6, 30:

Show answer

Answer: 5 × 6 = 30; 6 × 5 = 30; 30 ÷ 5 = 6; 30 ÷ 6 = 5

SubType
fact-family
Facts
  • 5 × 6 = 30
  • 6 × 5 = 30
  • 30 ÷ 5 = 6
  • 30 ÷ 6 = 5
Difficulty
medium

Write the fact family for 5, 1, 6:

Show answer

Answer: 5 + 1 = 6; 1 + 5 = 6; 6 - 5 = 1; 6 - 1 = 5

SubType
fact-family
Facts
  • 5 + 1 = 6
  • 1 + 5 = 6
  • 6 - 5 = 1
  • 6 - 1 = 5
Difficulty
medium

Write the fact family for 3, 1, 4:

Show answer

Answer: 3 + 1 = 4; 1 + 3 = 4; 4 - 3 = 1; 4 - 1 = 3

SubType
fact-family
Facts
  • 3 + 1 = 4
  • 1 + 3 = 4
  • 4 - 3 = 1
  • 4 - 1 = 3
Difficulty
medium

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
medium