medium Set 31 Form Exercise

Write the fact family for 3, 7, 21:

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Answer: 3 × 7 = 21; 7 × 3 = 21; 21 ÷ 3 = 7; 21 ÷ 7 = 3

SubType
fact-family
Facts
  • 3 × 7 = 21
  • 7 × 3 = 21
  • 21 ÷ 3 = 7
  • 21 ÷ 7 = 3
Difficulty
medium

Write the fact family for 6, 2, 12:

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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 4, 9, 36:

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Answer: 4 × 9 = 36; 9 × 4 = 36; 36 ÷ 4 = 9; 36 ÷ 9 = 4

SubType
fact-family
Facts
  • 4 × 9 = 36
  • 9 × 4 = 36
  • 36 ÷ 4 = 9
  • 36 ÷ 9 = 4
Difficulty
medium

Write the fact family for 7, 3, 10:

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Answer: 7 + 3 = 10; 3 + 7 = 10; 10 - 7 = 3; 10 - 3 = 7

SubType
fact-family
Facts
  • 7 + 3 = 10
  • 3 + 7 = 10
  • 10 - 7 = 3
  • 10 - 3 = 7
Difficulty
medium

Write the fact family for 7, 1, 8:

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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 5, 2, 7:

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Answer: 5 + 2 = 7; 2 + 5 = 7; 7 - 5 = 2; 7 - 2 = 5

SubType
fact-family
Facts
  • 5 + 2 = 7
  • 2 + 5 = 7
  • 7 - 5 = 2
  • 7 - 2 = 5
Difficulty
medium