Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 88
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- expert
Write the fact family for 6, 10, 16:
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Answer: 6 + 10 = 16; 10 + 6 = 16; 16 - 6 = 10; 16 - 10 = 6
- SubType
- fact-family
- Facts
- 6 + 10 = 16
- 10 + 6 = 16
- 16 - 6 = 10
- 16 - 10 = 6
- Difficulty
- expert
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
- expert
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
- expert
Write the fact family for 11, 10, 110:
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Answer: 11 × 10 = 110; 10 × 11 = 110; 110 ÷ 11 = 10; 110 ÷ 10 = 11
- SubType
- fact-family
- Facts
- 11 × 10 = 110
- 10 × 11 = 110
- 110 ÷ 11 = 10
- 110 ÷ 10 = 11
- Difficulty
- expert
Write the fact family for 3, 4, 12:
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Answer: 3 × 4 = 12; 4 × 3 = 12; 12 ÷ 3 = 4; 12 ÷ 4 = 3
- SubType
- fact-family
- Facts
- 3 × 4 = 12
- 4 × 3 = 12
- 12 ÷ 3 = 4
- 12 ÷ 4 = 3
- Difficulty
- expert
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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