Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 40
Write the fact family for 4, 1, 5:
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Answer: 4 + 1 = 5; 1 + 4 = 5; 5 - 4 = 1; 5 - 1 = 4
- SubType
- fact-family
- Facts
- 4 + 1 = 5
- 1 + 4 = 5
- 5 - 4 = 1
- 5 - 1 = 4
- Difficulty
- hard
Write the fact family for 1, 2, 3:
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Answer: 1 + 2 = 3; 2 + 1 = 3; 3 - 1 = 2; 3 - 2 = 1
- SubType
- fact-family
- Facts
- 1 + 2 = 3
- 2 + 1 = 3
- 3 - 1 = 2
- 3 - 2 = 1
- Difficulty
- hard
Write the fact family for 8, 3, 11:
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Answer: 8 + 3 = 11; 3 + 8 = 11; 11 - 8 = 3; 11 - 3 = 8
- SubType
- fact-family
- Facts
- 8 + 3 = 11
- 3 + 8 = 11
- 11 - 8 = 3
- 11 - 3 = 8
- 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 2, 2, 4:
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Answer: 2 × 2 = 4; 2 × 2 = 4; 4 ÷ 2 = 2; 4 ÷ 2 = 2
- SubType
- fact-family
- Facts
- 2 × 2 = 4
- 2 × 2 = 4
- 4 ÷ 2 = 2
- 4 ÷ 2 = 2
- Difficulty
- hard
Write the fact family for 5, 6, 30:
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Answer: 5 × 6 = 30; 6 × 5 = 30; 30 ÷ 5 = 6; 30 ÷ 6 = 5
- SubType
- fact-family
- Facts
- 5 × 6 = 30
- 6 × 5 = 30
- 30 ÷ 5 = 6
- 30 ÷ 6 = 5
- 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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