expert Set 48 Form Exercise

Write the fact family for 2, 9, 18:

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Answer: 2 × 9 = 18; 9 × 2 = 18; 18 ÷ 2 = 9; 18 ÷ 9 = 2

SubType
fact-family
Facts
  • 2 × 9 = 18
  • 9 × 2 = 18
  • 18 ÷ 2 = 9
  • 18 ÷ 9 = 2
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

Write the fact family for 6, 2, 8:

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Answer: 6 + 2 = 8; 2 + 6 = 8; 8 - 6 = 2; 8 - 2 = 6

SubType
fact-family
Facts
  • 6 + 2 = 8
  • 2 + 6 = 8
  • 8 - 6 = 2
  • 8 - 2 = 6
Difficulty
expert

Write the fact family for 1, 2, 3:

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

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

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 8, 5, 40:

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Answer: 8 × 5 = 40; 5 × 8 = 40; 40 ÷ 8 = 5; 40 ÷ 5 = 8

SubType
fact-family
Facts
  • 8 × 5 = 40
  • 5 × 8 = 40
  • 40 ÷ 8 = 5
  • 40 ÷ 5 = 8
Difficulty
expert