expert Set 21 Form Exercise

Write the fact family for 4, 4, 8:

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Answer: 4 + 4 = 8; 4 + 4 = 8; 8 - 4 = 4; 8 - 4 = 4

SubType
fact-family
Facts
  • 4 + 4 = 8
  • 4 + 4 = 8
  • 8 - 4 = 4
  • 8 - 4 = 4
Difficulty
expert

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
expert

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 7, 3, 10:

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Answer: 7 + 3 = 10; 3 + 7 = 10; 10 - 7 = 3; 10 - 3 = 7

SubType
fact-family
Facts
  • 7 + 3 = 10
  • 3 + 7 = 10
  • 10 - 7 = 3
  • 10 - 3 = 7
Difficulty
expert

Write the fact family for 2, 7, 14:

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Answer: 2 × 7 = 14; 7 × 2 = 14; 14 ÷ 2 = 7; 14 ÷ 7 = 2

SubType
fact-family
Facts
  • 2 × 7 = 14
  • 7 × 2 = 14
  • 14 ÷ 2 = 7
  • 14 ÷ 7 = 2
Difficulty
expert