expert Set 87 Form Exercise

Write the fact family for 2, 7, 9:

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Answer: 2 + 7 = 9; 7 + 2 = 9; 9 - 2 = 7; 9 - 7 = 2

SubType
fact-family
Facts
  • 2 + 7 = 9
  • 7 + 2 = 9
  • 9 - 2 = 7
  • 9 - 7 = 2
Difficulty
expert

Write the fact family for 8, 10, 80:

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Answer: 8 × 10 = 80; 10 × 8 = 80; 80 ÷ 8 = 10; 80 ÷ 10 = 8

SubType
fact-family
Facts
  • 8 × 10 = 80
  • 10 × 8 = 80
  • 80 ÷ 8 = 10
  • 80 ÷ 10 = 8
Difficulty
expert

Write the fact family for 1, 5, 6:

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

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

Write the fact family for 6, 5, 30:

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

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

Write the fact family for 3, 3, 9:

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Answer: 3 × 3 = 9; 3 × 3 = 9; 9 ÷ 3 = 3; 9 ÷ 3 = 3

SubType
fact-family
Facts
  • 3 × 3 = 9
  • 3 × 3 = 9
  • 9 ÷ 3 = 3
  • 9 ÷ 3 = 3
Difficulty
expert

Write the fact family for 4, 3, 7:

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Answer: 4 + 3 = 7; 3 + 4 = 7; 7 - 4 = 3; 7 - 3 = 4

SubType
fact-family
Facts
  • 4 + 3 = 7
  • 3 + 4 = 7
  • 7 - 4 = 3
  • 7 - 3 = 4
Difficulty
expert