Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 11
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
- expert
Write the fact family for 4, 12, 48:
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Answer: 4 × 12 = 48; 12 × 4 = 48; 48 ÷ 4 = 12; 48 ÷ 12 = 4
- SubType
- fact-family
- Facts
- 4 × 12 = 48
- 12 × 4 = 48
- 48 ÷ 4 = 12
- 48 ÷ 12 = 4
- Difficulty
- expert
Write the fact family for 1, 6, 7:
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Answer: 1 + 6 = 7; 6 + 1 = 7; 7 - 1 = 6; 7 - 6 = 1
- SubType
- fact-family
- Facts
- 1 + 6 = 7
- 6 + 1 = 7
- 7 - 1 = 6
- 7 - 6 = 1
- Difficulty
- expert
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 10, 10, 20:
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Answer: 10 + 10 = 20; 10 + 10 = 20; 20 - 10 = 10; 20 - 10 = 10
- SubType
- fact-family
- Facts
- 10 + 10 = 20
- 10 + 10 = 20
- 20 - 10 = 10
- 20 - 10 = 10
- Difficulty
- expert
Write the fact family for 7, 7, 49:
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Answer: 7 × 7 = 49; 7 × 7 = 49; 49 ÷ 7 = 7; 49 ÷ 7 = 7
- SubType
- fact-family
- Facts
- 7 × 7 = 49
- 7 × 7 = 49
- 49 ÷ 7 = 7
- 49 ÷ 7 = 7
- 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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