Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 60
Write the fact family for 11, 1, 12:
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Answer: 11 + 1 = 12; 1 + 11 = 12; 12 - 11 = 1; 12 - 1 = 11
- SubType
- fact-family
- Facts
- 11 + 1 = 12
- 1 + 11 = 12
- 12 - 11 = 1
- 12 - 1 = 11
- Difficulty
- hard
Write the fact family for 11, 9, 20:
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Answer: 11 + 9 = 20; 9 + 11 = 20; 20 - 11 = 9; 20 - 9 = 11
- SubType
- fact-family
- Facts
- 11 + 9 = 20
- 9 + 11 = 20
- 20 - 11 = 9
- 20 - 9 = 11
- Difficulty
- hard
Write the fact family for 16, 4, 20:
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Answer: 16 + 4 = 20; 4 + 16 = 20; 20 - 16 = 4; 20 - 4 = 16
- SubType
- fact-family
- Facts
- 16 + 4 = 20
- 4 + 16 = 20
- 20 - 16 = 4
- 20 - 4 = 16
- Difficulty
- hard
Write the fact family for 11, 2, 22:
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Answer: 11 × 2 = 22; 2 × 11 = 22; 22 ÷ 11 = 2; 22 ÷ 2 = 11
- SubType
- fact-family
- Facts
- 11 × 2 = 22
- 2 × 11 = 22
- 22 ÷ 11 = 2
- 22 ÷ 2 = 11
- Difficulty
- hard
Write the fact family for 1, 18, 19:
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Answer: 1 + 18 = 19; 18 + 1 = 19; 19 - 1 = 18; 19 - 18 = 1
- SubType
- fact-family
- Facts
- 1 + 18 = 19
- 18 + 1 = 19
- 19 - 1 = 18
- 19 - 18 = 1
- 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
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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