Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 29
Write the fact family for 3, 3, 9:
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Answer: 3 × 3 = 9; 3 × 3 = 9; 9 ÷ 3 = 3; 9 ÷ 3 = 3
- SubType
- fact-family
- Facts
- 3 × 3 = 9
- 3 × 3 = 9
- 9 ÷ 3 = 3
- 9 ÷ 3 = 3
- Difficulty
- hard
Write the fact family for 6, 13, 19:
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Answer: 6 + 13 = 19; 13 + 6 = 19; 19 - 6 = 13; 19 - 13 = 6
- SubType
- fact-family
- Facts
- 6 + 13 = 19
- 13 + 6 = 19
- 19 - 6 = 13
- 19 - 13 = 6
- Difficulty
- hard
Write the fact family for 18, 2, 20:
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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18
- SubType
- fact-family
- Facts
- 18 + 2 = 20
- 2 + 18 = 20
- 20 - 18 = 2
- 20 - 2 = 18
- Difficulty
- hard
Write the fact family for 9, 4, 36:
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Answer: 9 × 4 = 36; 4 × 9 = 36; 36 ÷ 9 = 4; 36 ÷ 4 = 9
- SubType
- fact-family
- Facts
- 9 × 4 = 36
- 4 × 9 = 36
- 36 ÷ 9 = 4
- 36 ÷ 4 = 9
- Difficulty
- hard
Write the fact family for 5, 9, 45:
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Answer: 5 × 9 = 45; 9 × 5 = 45; 45 ÷ 5 = 9; 45 ÷ 9 = 5
- SubType
- fact-family
- Facts
- 5 × 9 = 45
- 9 × 5 = 45
- 45 ÷ 5 = 9
- 45 ÷ 9 = 5
- Difficulty
- hard
Write the fact family for 4, 4, 16:
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Answer: 4 × 4 = 16; 4 × 4 = 16; 16 ÷ 4 = 4; 16 ÷ 4 = 4
- SubType
- fact-family
- Facts
- 4 × 4 = 16
- 4 × 4 = 16
- 16 ÷ 4 = 4
- 16 ÷ 4 = 4
- 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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