Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 89
Write the fact family for 4, 3, 12:
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Answer: 4 × 3 = 12; 3 × 4 = 12; 12 ÷ 4 = 3; 12 ÷ 3 = 4
- SubType
- fact-family
- Facts
- 4 × 3 = 12
- 3 × 4 = 12
- 12 ÷ 4 = 3
- 12 ÷ 3 = 4
- Difficulty
- medium
Write the fact family for 9, 9, 18:
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Answer: 9 + 9 = 18; 9 + 9 = 18; 18 - 9 = 9; 18 - 9 = 9
- SubType
- fact-family
- Facts
- 9 + 9 = 18
- 9 + 9 = 18
- 18 - 9 = 9
- 18 - 9 = 9
- Difficulty
- medium
Write the fact family for 5, 11, 55:
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Answer: 5 × 11 = 55; 11 × 5 = 55; 55 ÷ 5 = 11; 55 ÷ 11 = 5
- SubType
- fact-family
- Facts
- 5 × 11 = 55
- 11 × 5 = 55
- 55 ÷ 5 = 11
- 55 ÷ 11 = 5
- Difficulty
- medium
Write the fact family for 16, 3, 19:
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Answer: 16 + 3 = 19; 3 + 16 = 19; 19 - 16 = 3; 19 - 3 = 16
- SubType
- fact-family
- Facts
- 16 + 3 = 19
- 3 + 16 = 19
- 19 - 16 = 3
- 19 - 3 = 16
- Difficulty
- medium
Write the fact family for 1, 18, 19:
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Answer: 1 + 18 = 19; 18 + 1 = 19; 19 - 1 = 18; 19 - 18 = 1
- SubType
- fact-family
- Facts
- 1 + 18 = 19
- 18 + 1 = 19
- 19 - 1 = 18
- 19 - 18 = 1
- Difficulty
- medium
Write the fact family for 11, 11, 121:
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Answer: 11 × 11 = 121; 11 × 11 = 121; 121 ÷ 11 = 11; 121 ÷ 11 = 11
- SubType
- fact-family
- Facts
- 11 × 11 = 121
- 11 × 11 = 121
- 121 ÷ 11 = 11
- 121 ÷ 11 = 11
- Difficulty
- medium
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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