hard Set 12 Form Exercise

Write the fact family for 19, 1, 20:

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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19

SubType
fact-family
Facts
  • 19 + 1 = 20
  • 1 + 19 = 20
  • 20 - 19 = 1
  • 20 - 1 = 19
Difficulty
hard

Write the fact family for 8, 7, 15:

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Answer: 8 + 7 = 15; 7 + 8 = 15; 15 - 8 = 7; 15 - 7 = 8

SubType
fact-family
Facts
  • 8 + 7 = 15
  • 7 + 8 = 15
  • 15 - 8 = 7
  • 15 - 7 = 8
Difficulty
hard

Write the fact family for 8, 12, 96:

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Answer: 8 × 12 = 96; 12 × 8 = 96; 96 ÷ 8 = 12; 96 ÷ 12 = 8

SubType
fact-family
Facts
  • 8 × 12 = 96
  • 12 × 8 = 96
  • 96 ÷ 8 = 12
  • 96 ÷ 12 = 8
Difficulty
hard

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
hard

Write the fact family for 13, 1, 14:

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Answer: 13 + 1 = 14; 1 + 13 = 14; 14 - 13 = 1; 14 - 1 = 13

SubType
fact-family
Facts
  • 13 + 1 = 14
  • 1 + 13 = 14
  • 14 - 13 = 1
  • 14 - 1 = 13
Difficulty
hard

Write the fact family for 4, 8, 12:

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Answer: 4 + 8 = 12; 8 + 4 = 12; 12 - 4 = 8; 12 - 8 = 4

SubType
fact-family
Facts
  • 4 + 8 = 12
  • 8 + 4 = 12
  • 12 - 4 = 8
  • 12 - 8 = 4
Difficulty
hard