Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 52
Write the fact family for 10, 9, 90:
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Answer: 10 × 9 = 90; 9 × 10 = 90; 90 ÷ 10 = 9; 90 ÷ 9 = 10
- SubType
- fact-family
- Facts
- 10 × 9 = 90
- 9 × 10 = 90
- 90 ÷ 10 = 9
- 90 ÷ 9 = 10
- Difficulty
- hard
Write the fact family for 14, 4, 18:
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Answer: 14 + 4 = 18; 4 + 14 = 18; 18 - 14 = 4; 18 - 4 = 14
- SubType
- fact-family
- Facts
- 14 + 4 = 18
- 4 + 14 = 18
- 18 - 14 = 4
- 18 - 4 = 14
- Difficulty
- hard
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
- hard
Write the fact family for 12, 11, 132:
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Answer: 12 × 11 = 132; 11 × 12 = 132; 132 ÷ 12 = 11; 132 ÷ 11 = 12
- SubType
- fact-family
- Facts
- 12 × 11 = 132
- 11 × 12 = 132
- 132 ÷ 12 = 11
- 132 ÷ 11 = 12
- Difficulty
- hard
Write the fact family for 6, 3, 9:
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Answer: 6 + 3 = 9; 3 + 6 = 9; 9 - 6 = 3; 9 - 3 = 6
- SubType
- fact-family
- Facts
- 6 + 3 = 9
- 3 + 6 = 9
- 9 - 6 = 3
- 9 - 3 = 6
- Difficulty
- hard
Write the fact family for 11, 5, 55:
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Answer: 11 × 5 = 55; 5 × 11 = 55; 55 ÷ 11 = 5; 55 ÷ 5 = 11
- SubType
- fact-family
- Facts
- 11 × 5 = 55
- 5 × 11 = 55
- 55 ÷ 11 = 5
- 55 ÷ 5 = 11
- 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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