expert Set 68 Form Exercise

Write the fact family for 1, 3, 4:

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Answer: 1 + 3 = 4; 3 + 1 = 4; 4 - 1 = 3; 4 - 3 = 1

SubType
fact-family
Facts
  • 1 + 3 = 4
  • 3 + 1 = 4
  • 4 - 1 = 3
  • 4 - 3 = 1
Difficulty
expert

Write the fact family for 2, 10, 20:

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Answer: 2 × 10 = 20; 10 × 2 = 20; 20 ÷ 2 = 10; 20 ÷ 10 = 2

SubType
fact-family
Facts
  • 2 × 10 = 20
  • 10 × 2 = 20
  • 20 ÷ 2 = 10
  • 20 ÷ 10 = 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, 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 6, 7, 42:

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Answer: 6 × 7 = 42; 7 × 6 = 42; 42 ÷ 6 = 7; 42 ÷ 7 = 6

SubType
fact-family
Facts
  • 6 × 7 = 42
  • 7 × 6 = 42
  • 42 ÷ 6 = 7
  • 42 ÷ 7 = 6
Difficulty
expert

Write the fact family for 2, 5, 7:

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Answer: 2 + 5 = 7; 5 + 2 = 7; 7 - 2 = 5; 7 - 5 = 2

SubType
fact-family
Facts
  • 2 + 5 = 7
  • 5 + 2 = 7
  • 7 - 2 = 5
  • 7 - 5 = 2
Difficulty
expert