Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 73
Write the fact family for 18, 1, 19:
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Answer: 18 + 1 = 19; 1 + 18 = 19; 19 - 18 = 1; 19 - 1 = 18
- SubType
- fact-family
- Facts
- 18 + 1 = 19
- 1 + 18 = 19
- 19 - 18 = 1
- 19 - 1 = 18
- Difficulty
- medium
Write the fact family for 12, 1, 13:
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Answer: 12 + 1 = 13; 1 + 12 = 13; 13 - 12 = 1; 13 - 1 = 12
- SubType
- fact-family
- Facts
- 12 + 1 = 13
- 1 + 12 = 13
- 13 - 12 = 1
- 13 - 1 = 12
- Difficulty
- medium
Write the fact family for 6, 3, 18:
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Answer: 6 × 3 = 18; 3 × 6 = 18; 18 ÷ 6 = 3; 18 ÷ 3 = 6
- SubType
- fact-family
- Facts
- 6 × 3 = 18
- 3 × 6 = 18
- 18 ÷ 6 = 3
- 18 ÷ 3 = 6
- Difficulty
- medium
Write the fact family for 9, 7, 63:
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Answer: 9 × 7 = 63; 7 × 9 = 63; 63 ÷ 9 = 7; 63 ÷ 7 = 9
- SubType
- fact-family
- Facts
- 9 × 7 = 63
- 7 × 9 = 63
- 63 ÷ 9 = 7
- 63 ÷ 7 = 9
- Difficulty
- medium
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
- medium
Write the fact family for 3, 12, 36:
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Answer: 3 × 12 = 36; 12 × 3 = 36; 36 ÷ 3 = 12; 36 ÷ 12 = 3
- SubType
- fact-family
- Facts
- 3 × 12 = 36
- 12 × 3 = 36
- 36 ÷ 3 = 12
- 36 ÷ 12 = 3
- 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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