Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 73
Write the fact family for 10, 2, 20:
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Answer: 10 × 2 = 20; 2 × 10 = 20; 20 ÷ 10 = 2; 20 ÷ 2 = 10
- SubType
- fact-family
- Facts
- 10 × 2 = 20
- 2 × 10 = 20
- 20 ÷ 10 = 2
- 20 ÷ 2 = 10
- Difficulty
- hard
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
- hard
Write the fact family for 10, 7, 70:
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Answer: 10 × 7 = 70; 7 × 10 = 70; 70 ÷ 10 = 7; 70 ÷ 7 = 10
- SubType
- fact-family
- Facts
- 10 × 7 = 70
- 7 × 10 = 70
- 70 ÷ 10 = 7
- 70 ÷ 7 = 10
- Difficulty
- hard
Write the fact family for 14, 1, 15:
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Answer: 14 + 1 = 15; 1 + 14 = 15; 15 - 14 = 1; 15 - 1 = 14
- SubType
- fact-family
- Facts
- 14 + 1 = 15
- 1 + 14 = 15
- 15 - 14 = 1
- 15 - 1 = 14
- Difficulty
- hard
Write the fact family for 9, 7, 16:
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Answer: 9 + 7 = 16; 7 + 9 = 16; 16 - 9 = 7; 16 - 7 = 9
- SubType
- fact-family
- Facts
- 9 + 7 = 16
- 7 + 9 = 16
- 16 - 9 = 7
- 16 - 7 = 9
- Difficulty
- hard
Write the fact family for 11, 3, 14:
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Answer: 11 + 3 = 14; 3 + 11 = 14; 14 - 11 = 3; 14 - 3 = 11
- SubType
- fact-family
- Facts
- 11 + 3 = 14
- 3 + 11 = 14
- 14 - 11 = 3
- 14 - 3 = 11
- Difficulty
- hard
Teaching Notes
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