medium Set 91 Form Exercise

Write the fact family for 2, 6, 8:

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Answer: 2 + 6 = 8; 6 + 2 = 8; 8 - 2 = 6; 8 - 6 = 2

SubType
fact-family
Facts
  • 2 + 6 = 8
  • 6 + 2 = 8
  • 8 - 2 = 6
  • 8 - 6 = 2
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 3, 9, 27:

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Answer: 3 × 9 = 27; 9 × 3 = 27; 27 ÷ 3 = 9; 27 ÷ 9 = 3

SubType
fact-family
Facts
  • 3 × 9 = 27
  • 9 × 3 = 27
  • 27 ÷ 3 = 9
  • 27 ÷ 9 = 3
Difficulty
medium

Write the fact family for 8, 1, 9:

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Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8

SubType
fact-family
Facts
  • 8 + 1 = 9
  • 1 + 8 = 9
  • 9 - 8 = 1
  • 9 - 1 = 8
Difficulty
medium

Write the fact family for 9, 5, 45:

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Answer: 9 × 5 = 45; 5 × 9 = 45; 45 ÷ 9 = 5; 45 ÷ 5 = 9

SubType
fact-family
Facts
  • 9 × 5 = 45
  • 5 × 9 = 45
  • 45 ÷ 9 = 5
  • 45 ÷ 5 = 9
Difficulty
medium