expert Set 90 Form Exercise

Write the fact family for 7, 2, 9:

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

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

Write the fact family for 1, 6, 7:

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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
expert

Write the fact family for 3, 8, 24:

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Answer: 3 × 8 = 24; 8 × 3 = 24; 24 ÷ 3 = 8; 24 ÷ 8 = 3

SubType
fact-family
Facts
  • 3 × 8 = 24
  • 8 × 3 = 24
  • 24 ÷ 3 = 8
  • 24 ÷ 8 = 3
Difficulty
expert

Write the fact family for 6, 2, 8:

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

SubType
fact-family
Facts
  • 6 + 2 = 8
  • 2 + 6 = 8
  • 8 - 6 = 2
  • 8 - 2 = 6
Difficulty
expert

Write the fact family for 9, 10, 90:

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Answer: 9 × 10 = 90; 10 × 9 = 90; 90 ÷ 9 = 10; 90 ÷ 10 = 9

SubType
fact-family
Facts
  • 9 × 10 = 90
  • 10 × 9 = 90
  • 90 ÷ 9 = 10
  • 90 ÷ 10 = 9
Difficulty
expert

Write the fact family for 3, 6, 18:

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Answer: 3 × 6 = 18; 6 × 3 = 18; 18 ÷ 3 = 6; 18 ÷ 6 = 3

SubType
fact-family
Facts
  • 3 × 6 = 18
  • 6 × 3 = 18
  • 18 ÷ 3 = 6
  • 18 ÷ 6 = 3
Difficulty
expert