medium Set 66 Form Exercise

Write the fact family for 1, 1, 2:

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

SubType
fact-family
Facts
  • 1 + 1 = 2
  • 1 + 1 = 2
  • 2 - 1 = 1
  • 2 - 1 = 1
Difficulty
medium

Write the fact family for 8, 2, 10:

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Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8

SubType
fact-family
Facts
  • 8 + 2 = 10
  • 2 + 8 = 10
  • 10 - 8 = 2
  • 10 - 2 = 8
Difficulty
medium

Write the fact family for 2, 8, 10:

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Answer: 2 + 8 = 10; 8 + 2 = 10; 10 - 2 = 8; 10 - 8 = 2

SubType
fact-family
Facts
  • 2 + 8 = 10
  • 8 + 2 = 10
  • 10 - 2 = 8
  • 10 - 8 = 2
Difficulty
medium

Write the fact family for 5, 10, 50:

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Answer: 5 × 10 = 50; 10 × 5 = 50; 50 ÷ 5 = 10; 50 ÷ 10 = 5

SubType
fact-family
Facts
  • 5 × 10 = 50
  • 10 × 5 = 50
  • 50 ÷ 5 = 10
  • 50 ÷ 10 = 5
Difficulty
medium

Write the fact family for 5, 3, 15:

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Answer: 5 × 3 = 15; 3 × 5 = 15; 15 ÷ 5 = 3; 15 ÷ 3 = 5

SubType
fact-family
Facts
  • 5 × 3 = 15
  • 3 × 5 = 15
  • 15 ÷ 5 = 3
  • 15 ÷ 3 = 5
Difficulty
medium

Write the fact family for 3, 3, 6:

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

SubType
fact-family
Facts
  • 3 + 3 = 6
  • 3 + 3 = 6
  • 6 - 3 = 3
  • 6 - 3 = 3
Difficulty
medium