medium Set 15 Form Exercise

Write the fact family for 1, 9, 10:

Show answer

Answer: 1 + 9 = 10; 9 + 1 = 10; 10 - 1 = 9; 10 - 9 = 1

SubType
fact-family
Facts
  • 1 + 9 = 10
  • 9 + 1 = 10
  • 10 - 1 = 9
  • 10 - 9 = 1
Difficulty
medium

Write the fact family for 7, 6, 42:

Show answer

Answer: 7 × 6 = 42; 6 × 7 = 42; 42 ÷ 7 = 6; 42 ÷ 6 = 7

SubType
fact-family
Facts
  • 7 × 6 = 42
  • 6 × 7 = 42
  • 42 ÷ 7 = 6
  • 42 ÷ 6 = 7
Difficulty
medium

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
medium

Write the fact family for 6, 2, 12:

Show answer

Answer: 6 × 2 = 12; 2 × 6 = 12; 12 ÷ 6 = 2; 12 ÷ 2 = 6

SubType
fact-family
Facts
  • 6 × 2 = 12
  • 2 × 6 = 12
  • 12 ÷ 6 = 2
  • 12 ÷ 2 = 6
Difficulty
medium

Write the fact family for 7, 1, 8:

Show answer

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

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

Write the fact family for 1, 6, 7:

Show answer

Answer: 1 + 6 = 7; 6 + 1 = 7; 7 - 1 = 6; 7 - 6 = 1

SubType
fact-family
Facts
  • 1 + 6 = 7
  • 6 + 1 = 7
  • 7 - 1 = 6
  • 7 - 6 = 1
Difficulty
medium