hard Set 21 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
hard

Write the fact family for 8, 2, 10:

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Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8

SubType
fact-family
Facts
  • 8 + 2 = 10
  • 2 + 8 = 10
  • 10 - 8 = 2
  • 10 - 2 = 8
Difficulty
hard

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
hard

Write the fact family for 6, 5, 30:

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Answer: 6 × 5 = 30; 5 × 6 = 30; 30 ÷ 6 = 5; 30 ÷ 5 = 6

SubType
fact-family
Facts
  • 6 × 5 = 30
  • 5 × 6 = 30
  • 30 ÷ 6 = 5
  • 30 ÷ 5 = 6
Difficulty
hard

Write the fact family for 6, 8, 48:

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Answer: 6 × 8 = 48; 8 × 6 = 48; 48 ÷ 6 = 8; 48 ÷ 8 = 6

SubType
fact-family
Facts
  • 6 × 8 = 48
  • 8 × 6 = 48
  • 48 ÷ 6 = 8
  • 48 ÷ 8 = 6
Difficulty
hard

Write the fact family for 7, 9, 63:

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Answer: 7 × 9 = 63; 9 × 7 = 63; 63 ÷ 7 = 9; 63 ÷ 9 = 7

SubType
fact-family
Facts
  • 7 × 9 = 63
  • 9 × 7 = 63
  • 63 ÷ 7 = 9
  • 63 ÷ 9 = 7
Difficulty
hard