medium Set 87 Form Exercise

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
medium

Write the fact family for 10, 2, 20:

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

SubType
fact-family
Facts
  • 10 × 2 = 20
  • 2 × 10 = 20
  • 20 ÷ 10 = 2
  • 20 ÷ 2 = 10
Difficulty
medium

Write the fact family for 3, 3, 9:

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Answer: 3 × 3 = 9; 3 × 3 = 9; 9 ÷ 3 = 3; 9 ÷ 3 = 3

SubType
fact-family
Facts
  • 3 × 3 = 9
  • 3 × 3 = 9
  • 9 ÷ 3 = 3
  • 9 ÷ 3 = 3
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 8, 4, 32:

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Answer: 8 × 4 = 32; 4 × 8 = 32; 32 ÷ 8 = 4; 32 ÷ 4 = 8

SubType
fact-family
Facts
  • 8 × 4 = 32
  • 4 × 8 = 32
  • 32 ÷ 8 = 4
  • 32 ÷ 4 = 8
Difficulty
medium

Write the fact family for 7, 8, 56:

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Answer: 7 × 8 = 56; 8 × 7 = 56; 56 ÷ 7 = 8; 56 ÷ 8 = 7

SubType
fact-family
Facts
  • 7 × 8 = 56
  • 8 × 7 = 56
  • 56 ÷ 7 = 8
  • 56 ÷ 8 = 7
Difficulty
medium