expert Set 45 Form Exercise

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
expert

Write the fact family for 9, 6, 54:

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Answer: 9 × 6 = 54; 6 × 9 = 54; 54 ÷ 9 = 6; 54 ÷ 6 = 9

SubType
fact-family
Facts
  • 9 × 6 = 54
  • 6 × 9 = 54
  • 54 ÷ 9 = 6
  • 54 ÷ 6 = 9
Difficulty
expert

Write the fact family for 10, 4, 40:

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Answer: 10 × 4 = 40; 4 × 10 = 40; 40 ÷ 10 = 4; 40 ÷ 4 = 10

SubType
fact-family
Facts
  • 10 × 4 = 40
  • 4 × 10 = 40
  • 40 ÷ 10 = 4
  • 40 ÷ 4 = 10
Difficulty
expert

Write the fact family for 3, 5, 8:

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Answer: 3 + 5 = 8; 5 + 3 = 8; 8 - 3 = 5; 8 - 5 = 3

SubType
fact-family
Facts
  • 3 + 5 = 8
  • 5 + 3 = 8
  • 8 - 3 = 5
  • 8 - 5 = 3
Difficulty
expert

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
expert