Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 56
Write the fact family for 2, 8, 10:
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Answer: 2 + 8 = 10; 8 + 2 = 10; 10 - 2 = 8; 10 - 8 = 2
- SubType
- fact-family
- Facts
- 2 + 8 = 10
- 8 + 2 = 10
- 10 - 2 = 8
- 10 - 8 = 2
- Difficulty
- hard
Write the fact family for 4, 11, 15:
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Answer: 4 + 11 = 15; 11 + 4 = 15; 15 - 4 = 11; 15 - 11 = 4
- SubType
- fact-family
- Facts
- 4 + 11 = 15
- 11 + 4 = 15
- 15 - 4 = 11
- 15 - 11 = 4
- Difficulty
- hard
Write the fact family for 7, 6, 42:
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Answer: 7 × 6 = 42; 6 × 7 = 42; 42 ÷ 7 = 6; 42 ÷ 6 = 7
- SubType
- fact-family
- Facts
- 7 × 6 = 42
- 6 × 7 = 42
- 42 ÷ 7 = 6
- 42 ÷ 6 = 7
- Difficulty
- hard
Write the fact family for 9, 9, 81:
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Answer: 9 × 9 = 81; 9 × 9 = 81; 81 ÷ 9 = 9; 81 ÷ 9 = 9
- SubType
- fact-family
- Facts
- 9 × 9 = 81
- 9 × 9 = 81
- 81 ÷ 9 = 9
- 81 ÷ 9 = 9
- Difficulty
- hard
Write the fact family for 3, 12, 15:
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Answer: 3 + 12 = 15; 12 + 3 = 15; 15 - 3 = 12; 15 - 12 = 3
- SubType
- fact-family
- Facts
- 3 + 12 = 15
- 12 + 3 = 15
- 15 - 3 = 12
- 15 - 12 = 3
- Difficulty
- hard
Write the fact family for 15, 5, 20:
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Answer: 15 + 5 = 20; 5 + 15 = 20; 20 - 15 = 5; 20 - 5 = 15
- SubType
- fact-family
- Facts
- 15 + 5 = 20
- 5 + 15 = 20
- 20 - 15 = 5
- 20 - 5 = 15
- Difficulty
- hard
Teaching Notes
Practice fact family add sub within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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