expert Set 81 Form Exercise

Write the fact family for 12, 5, 60:

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Answer: 12 × 5 = 60; 5 × 12 = 60; 60 ÷ 12 = 5; 60 ÷ 5 = 12

SubType
fact-family
Facts
  • 12 × 5 = 60
  • 5 × 12 = 60
  • 60 ÷ 12 = 5
  • 60 ÷ 5 = 12
Difficulty
expert

Write the fact family for 99, 1, 100:

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Answer: 99 + 1 = 100; 1 + 99 = 100; 100 - 99 = 1; 100 - 1 = 99

SubType
fact-family
Facts
  • 99 + 1 = 100
  • 1 + 99 = 100
  • 100 - 99 = 1
  • 100 - 1 = 99
Difficulty
expert

Write the fact family for 62, 16, 78:

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Answer: 62 + 16 = 78; 16 + 62 = 78; 78 - 62 = 16; 78 - 16 = 62

SubType
fact-family
Facts
  • 62 + 16 = 78
  • 16 + 62 = 78
  • 78 - 62 = 16
  • 78 - 16 = 62
Difficulty
expert

Write the fact family for 52, 45, 97:

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Answer: 52 + 45 = 97; 45 + 52 = 97; 97 - 52 = 45; 97 - 45 = 52

SubType
fact-family
Facts
  • 52 + 45 = 97
  • 45 + 52 = 97
  • 97 - 52 = 45
  • 97 - 45 = 52
Difficulty
expert

Write the fact family for 88, 6, 94:

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Answer: 88 + 6 = 94; 6 + 88 = 94; 94 - 88 = 6; 94 - 6 = 88

SubType
fact-family
Facts
  • 88 + 6 = 94
  • 6 + 88 = 94
  • 94 - 88 = 6
  • 94 - 6 = 88
Difficulty
expert

Write the fact family for 20, 8, 28:

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Answer: 20 + 8 = 28; 8 + 20 = 28; 28 - 20 = 8; 28 - 8 = 20

SubType
fact-family
Facts
  • 20 + 8 = 28
  • 8 + 20 = 28
  • 28 - 20 = 8
  • 28 - 8 = 20
Difficulty
expert