expert Set 55 Form Exercise

Write the fact family for 10, 9, 90:

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Answer: 10 × 9 = 90; 9 × 10 = 90; 90 ÷ 10 = 9; 90 ÷ 9 = 10

SubType
fact-family
Facts
  • 10 × 9 = 90
  • 9 × 10 = 90
  • 90 ÷ 10 = 9
  • 90 ÷ 9 = 10
Difficulty
expert

Write the fact family for 5, 5, 25:

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Answer: 5 × 5 = 25; 5 × 5 = 25; 25 ÷ 5 = 5; 25 ÷ 5 = 5

SubType
fact-family
Facts
  • 5 × 5 = 25
  • 5 × 5 = 25
  • 25 ÷ 5 = 5
  • 25 ÷ 5 = 5
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 4, 6, 10:

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Answer: 4 + 6 = 10; 6 + 4 = 10; 10 - 4 = 6; 10 - 6 = 4

SubType
fact-family
Facts
  • 4 + 6 = 10
  • 6 + 4 = 10
  • 10 - 4 = 6
  • 10 - 6 = 4
Difficulty
expert

Write the fact family for 8, 1, 9:

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Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8

SubType
fact-family
Facts
  • 8 + 1 = 9
  • 1 + 8 = 9
  • 9 - 8 = 1
  • 9 - 1 = 8
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