Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 63
Write the fact family for 11, 9, 99:
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Answer: 11 × 9 = 99; 9 × 11 = 99; 99 ÷ 11 = 9; 99 ÷ 9 = 11
- SubType
- fact-family
- Facts
- 11 × 9 = 99
- 9 × 11 = 99
- 99 ÷ 11 = 9
- 99 ÷ 9 = 11
- Difficulty
- hard
Write the fact family for 6, 12, 72:
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Answer: 6 × 12 = 72; 12 × 6 = 72; 72 ÷ 6 = 12; 72 ÷ 12 = 6
- SubType
- fact-family
- Facts
- 6 × 12 = 72
- 12 × 6 = 72
- 72 ÷ 6 = 12
- 72 ÷ 12 = 6
- Difficulty
- hard
Write the fact family for 11, 2, 13:
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Answer: 11 + 2 = 13; 2 + 11 = 13; 13 - 11 = 2; 13 - 2 = 11
- SubType
- fact-family
- Facts
- 11 + 2 = 13
- 2 + 11 = 13
- 13 - 11 = 2
- 13 - 2 = 11
- Difficulty
- hard
Write the fact family for 4, 12, 16:
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Answer: 4 + 12 = 16; 12 + 4 = 16; 16 - 4 = 12; 16 - 12 = 4
- SubType
- fact-family
- Facts
- 4 + 12 = 16
- 12 + 4 = 16
- 16 - 4 = 12
- 16 - 12 = 4
- Difficulty
- hard
Write the fact family for 6, 9, 15:
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Answer: 6 + 9 = 15; 9 + 6 = 15; 15 - 6 = 9; 15 - 9 = 6
- SubType
- fact-family
- Facts
- 6 + 9 = 15
- 9 + 6 = 15
- 15 - 6 = 9
- 15 - 9 = 6
- Difficulty
- hard
Write the fact family for 14, 3, 17:
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Answer: 14 + 3 = 17; 3 + 14 = 17; 17 - 14 = 3; 17 - 3 = 14
- SubType
- fact-family
- Facts
- 14 + 3 = 17
- 3 + 14 = 17
- 17 - 14 = 3
- 17 - 3 = 14
- 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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