Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 64
Write the fact family for 10, 10, 20:
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Answer: 10 + 10 = 20; 10 + 10 = 20; 20 - 10 = 10; 20 - 10 = 10
- SubType
- fact-family
- Facts
- 10 + 10 = 20
- 10 + 10 = 20
- 20 - 10 = 10
- 20 - 10 = 10
- 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
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
- medium
Write the fact family for 2, 5, 7:
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Answer: 2 + 5 = 7; 5 + 2 = 7; 7 - 2 = 5; 7 - 5 = 2
- SubType
- fact-family
- Facts
- 2 + 5 = 7
- 5 + 2 = 7
- 7 - 2 = 5
- 7 - 5 = 2
- Difficulty
- medium
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
- medium
Write the fact family for 5, 2, 10:
Show answer
Answer: 5 × 2 = 10; 2 × 5 = 10; 10 ÷ 5 = 2; 10 ÷ 2 = 5
- SubType
- fact-family
- Facts
- 5 × 2 = 10
- 2 × 5 = 10
- 10 ÷ 5 = 2
- 10 ÷ 2 = 5
- 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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