hard Set 18 Form Exercise

Write the fact family for 4, 5, 9:

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Answer: 4 + 5 = 9; 5 + 4 = 9; 9 - 4 = 5; 9 - 5 = 4

SubType
fact-family
Facts
  • 4 + 5 = 9
  • 5 + 4 = 9
  • 9 - 4 = 5
  • 9 - 5 = 4
Difficulty
hard

Write the fact family for 8, 2, 16:

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Answer: 8 × 2 = 16; 2 × 8 = 16; 16 ÷ 8 = 2; 16 ÷ 2 = 8

SubType
fact-family
Facts
  • 8 × 2 = 16
  • 2 × 8 = 16
  • 16 ÷ 8 = 2
  • 16 ÷ 2 = 8
Difficulty
hard

Write the fact family for 3, 10, 30:

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Answer: 3 × 10 = 30; 10 × 3 = 30; 30 ÷ 3 = 10; 30 ÷ 10 = 3

SubType
fact-family
Facts
  • 3 × 10 = 30
  • 10 × 3 = 30
  • 30 ÷ 3 = 10
  • 30 ÷ 10 = 3
Difficulty
hard

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 3, 7, 21:

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Answer: 3 × 7 = 21; 7 × 3 = 21; 21 ÷ 3 = 7; 21 ÷ 7 = 3

SubType
fact-family
Facts
  • 3 × 7 = 21
  • 7 × 3 = 21
  • 21 ÷ 3 = 7
  • 21 ÷ 7 = 3
Difficulty
hard

Write the fact family for 5, 2, 7:

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

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