medium Set 31 Form Exercise

Write the fact family for 7, 3, 21:

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

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

Write the fact family for 5, 6, 30:

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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 9, 1, 10:

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

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

Write the fact family for 5, 8, 40:

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Answer: 5 × 8 = 40; 8 × 5 = 40; 40 ÷ 5 = 8; 40 ÷ 8 = 5

SubType
fact-family
Facts
  • 5 × 8 = 40
  • 8 × 5 = 40
  • 40 ÷ 5 = 8
  • 40 ÷ 8 = 5
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 9, 8, 72:

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Answer: 9 × 8 = 72; 8 × 9 = 72; 72 ÷ 9 = 8; 72 ÷ 8 = 9

SubType
fact-family
Facts
  • 9 × 8 = 72
  • 8 × 9 = 72
  • 72 ÷ 9 = 8
  • 72 ÷ 8 = 9
Difficulty
medium