medium Set 78 Form Exercise

Write the fact family for 9, 1, 10:

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

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

Write the fact family for 8, 8, 64:

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Answer: 8 × 8 = 64; 8 × 8 = 64; 64 ÷ 8 = 8; 64 ÷ 8 = 8

SubType
fact-family
Facts
  • 8 × 8 = 64
  • 8 × 8 = 64
  • 64 ÷ 8 = 8
  • 64 ÷ 8 = 8
Difficulty
medium

Write the fact family for 6, 4, 10:

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

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

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
medium

Write the fact family for 7, 3, 10:

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Answer: 7 + 3 = 10; 3 + 7 = 10; 10 - 7 = 3; 10 - 3 = 7

SubType
fact-family
Facts
  • 7 + 3 = 10
  • 3 + 7 = 10
  • 10 - 7 = 3
  • 10 - 3 = 7
Difficulty
medium

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
medium