hard Set 82 Form Exercise

Write the fact family for 1, 9, 10:

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Answer: 1 + 9 = 10; 9 + 1 = 10; 10 - 1 = 9; 10 - 9 = 1

SubType
fact-family
Facts
  • 1 + 9 = 10
  • 9 + 1 = 10
  • 10 - 1 = 9
  • 10 - 9 = 1
Difficulty
hard

Write the fact family for 2, 2, 4:

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Answer: 2 + 2 = 4; 2 + 2 = 4; 4 - 2 = 2; 4 - 2 = 2

SubType
fact-family
Facts
  • 2 + 2 = 4
  • 2 + 2 = 4
  • 4 - 2 = 2
  • 4 - 2 = 2
Difficulty
hard

Write the fact family for 6, 7, 42:

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

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

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
hard

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
hard

Write the fact family for 8, 10, 80:

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Answer: 8 × 10 = 80; 10 × 8 = 80; 80 ÷ 8 = 10; 80 ÷ 10 = 8

SubType
fact-family
Facts
  • 8 × 10 = 80
  • 10 × 8 = 80
  • 80 ÷ 8 = 10
  • 80 ÷ 10 = 8
Difficulty
hard