hard Set 21 Form Exercise

Write the fact family for 7, 1, 8:

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Answer: 7 + 1 = 8; 1 + 7 = 8; 8 - 7 = 1; 8 - 1 = 7

SubType
fact-family
Facts
  • 7 + 1 = 8
  • 1 + 7 = 8
  • 8 - 7 = 1
  • 8 - 1 = 7
Difficulty
hard

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
hard

Write the fact family for 2, 4, 8:

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Answer: 2 × 4 = 8; 4 × 2 = 8; 8 ÷ 2 = 4; 8 ÷ 4 = 2

SubType
fact-family
Facts
  • 2 × 4 = 8
  • 4 × 2 = 8
  • 8 ÷ 2 = 4
  • 8 ÷ 4 = 2
Difficulty
hard

Write the fact family for 8, 3, 24:

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Answer: 8 × 3 = 24; 3 × 8 = 24; 24 ÷ 8 = 3; 24 ÷ 3 = 8

SubType
fact-family
Facts
  • 8 × 3 = 24
  • 3 × 8 = 24
  • 24 ÷ 8 = 3
  • 24 ÷ 3 = 8
Difficulty
hard

Write the fact family for 2, 5, 7:

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Answer: 2 + 5 = 7; 5 + 2 = 7; 7 - 2 = 5; 7 - 5 = 2

SubType
fact-family
Facts
  • 2 + 5 = 7
  • 5 + 2 = 7
  • 7 - 2 = 5
  • 7 - 5 = 2
Difficulty
hard

Write the fact family for 7, 6, 42:

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Answer: 7 × 6 = 42; 6 × 7 = 42; 42 ÷ 7 = 6; 42 ÷ 6 = 7

SubType
fact-family
Facts
  • 7 × 6 = 42
  • 6 × 7 = 42
  • 42 ÷ 7 = 6
  • 42 ÷ 6 = 7
Difficulty
hard