expert Set 13 Form Exercise

Write the fact family for 2, 1, 3:

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Answer: 2 + 1 = 3; 1 + 2 = 3; 3 - 2 = 1; 3 - 1 = 2

SubType
fact-family
Facts
  • 2 + 1 = 3
  • 1 + 2 = 3
  • 3 - 2 = 1
  • 3 - 1 = 2
Difficulty
expert

Write the fact family for 2, 3, 5:

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Answer: 2 + 3 = 5; 3 + 2 = 5; 5 - 2 = 3; 5 - 3 = 2

SubType
fact-family
Facts
  • 2 + 3 = 5
  • 3 + 2 = 5
  • 5 - 2 = 3
  • 5 - 3 = 2
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, 3, 9:

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Answer: 6 + 3 = 9; 3 + 6 = 9; 9 - 6 = 3; 9 - 3 = 6

SubType
fact-family
Facts
  • 6 + 3 = 9
  • 3 + 6 = 9
  • 9 - 6 = 3
  • 9 - 3 = 6
Difficulty
expert

Write the fact family for 9, 8, 72:

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Answer: 9 × 8 = 72; 8 × 9 = 72; 72 ÷ 9 = 8; 72 ÷ 8 = 9

SubType
fact-family
Facts
  • 9 × 8 = 72
  • 8 × 9 = 72
  • 72 ÷ 9 = 8
  • 72 ÷ 8 = 9
Difficulty
expert