Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 47
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
- expert
Write the fact family for 4, 9, 36:
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Answer: 4 × 9 = 36; 9 × 4 = 36; 36 ÷ 4 = 9; 36 ÷ 9 = 4
- SubType
- fact-family
- Facts
- 4 × 9 = 36
- 9 × 4 = 36
- 36 ÷ 4 = 9
- 36 ÷ 9 = 4
- Difficulty
- expert
Write the fact family for 10, 5, 15:
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Answer: 10 + 5 = 15; 5 + 10 = 15; 15 - 10 = 5; 15 - 5 = 10
- SubType
- fact-family
- Facts
- 10 + 5 = 15
- 5 + 10 = 15
- 15 - 10 = 5
- 15 - 5 = 10
- Difficulty
- expert
Write the fact family for 6, 5, 30:
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Answer: 6 × 5 = 30; 5 × 6 = 30; 30 ÷ 6 = 5; 30 ÷ 5 = 6
- SubType
- fact-family
- Facts
- 6 × 5 = 30
- 5 × 6 = 30
- 30 ÷ 6 = 5
- 30 ÷ 5 = 6
- Difficulty
- expert
Write the fact family for 1, 8, 9:
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Answer: 1 + 8 = 9; 8 + 1 = 9; 9 - 1 = 8; 9 - 8 = 1
- SubType
- fact-family
- Facts
- 1 + 8 = 9
- 8 + 1 = 9
- 9 - 1 = 8
- 9 - 8 = 1
- Difficulty
- expert
Write the fact family for 8, 4, 32:
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Answer: 8 × 4 = 32; 4 × 8 = 32; 32 ÷ 8 = 4; 32 ÷ 4 = 8
- SubType
- fact-family
- Facts
- 8 × 4 = 32
- 4 × 8 = 32
- 32 ÷ 8 = 4
- 32 ÷ 4 = 8
- Difficulty
- expert
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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