Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 51
Write the fact family for 3, 10, 13:
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Answer: 3 + 10 = 13; 10 + 3 = 13; 13 - 3 = 10; 13 - 10 = 3
- SubType
- fact-family
- Facts
- 3 + 10 = 13
- 10 + 3 = 13
- 13 - 3 = 10
- 13 - 10 = 3
- Difficulty
- easy
Write the fact family for 8, 4, 12:
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Answer: 8 + 4 = 12; 4 + 8 = 12; 12 - 8 = 4; 12 - 4 = 8
- SubType
- fact-family
- Facts
- 8 + 4 = 12
- 4 + 8 = 12
- 12 - 8 = 4
- 12 - 4 = 8
- Difficulty
- easy
Write the fact family for 12, 7, 19:
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Answer: 12 + 7 = 19; 7 + 12 = 19; 19 - 12 = 7; 19 - 7 = 12
- SubType
- fact-family
- Facts
- 12 + 7 = 19
- 7 + 12 = 19
- 19 - 12 = 7
- 19 - 7 = 12
- Difficulty
- easy
Write the fact family for 7, 5, 12:
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Answer: 7 + 5 = 12; 5 + 7 = 12; 12 - 7 = 5; 12 - 5 = 7
- SubType
- fact-family
- Facts
- 7 + 5 = 12
- 5 + 7 = 12
- 12 - 7 = 5
- 12 - 5 = 7
- Difficulty
- easy
Write the fact family for 1, 15, 16:
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Answer: 1 + 15 = 16; 15 + 1 = 16; 16 - 1 = 15; 16 - 15 = 1
- SubType
- fact-family
- Facts
- 1 + 15 = 16
- 15 + 1 = 16
- 16 - 1 = 15
- 16 - 15 = 1
- Difficulty
- easy
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
- easy
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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