Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 22
Write the fact family for 6, 11, 66:
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Answer: 6 × 11 = 66; 11 × 6 = 66; 66 ÷ 6 = 11; 66 ÷ 11 = 6
- SubType
- fact-family
- Facts
- 6 × 11 = 66
- 11 × 6 = 66
- 66 ÷ 6 = 11
- 66 ÷ 11 = 6
- Difficulty
- hard
Write the fact family for 16, 1, 17:
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Answer: 16 + 1 = 17; 1 + 16 = 17; 17 - 16 = 1; 17 - 1 = 16
- SubType
- fact-family
- Facts
- 16 + 1 = 17
- 1 + 16 = 17
- 17 - 16 = 1
- 17 - 1 = 16
- Difficulty
- hard
Write the fact family for 6, 6, 36:
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Answer: 6 × 6 = 36; 6 × 6 = 36; 36 ÷ 6 = 6; 36 ÷ 6 = 6
- SubType
- fact-family
- Facts
- 6 × 6 = 36
- 6 × 6 = 36
- 36 ÷ 6 = 6
- 36 ÷ 6 = 6
- Difficulty
- hard
Write the fact family for 16, 2, 18:
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Answer: 16 + 2 = 18; 2 + 16 = 18; 18 - 16 = 2; 18 - 2 = 16
- SubType
- fact-family
- Facts
- 16 + 2 = 18
- 2 + 16 = 18
- 18 - 16 = 2
- 18 - 2 = 16
- Difficulty
- hard
Write the fact family for 1, 19, 20:
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Answer: 1 + 19 = 20; 19 + 1 = 20; 20 - 1 = 19; 20 - 19 = 1
- SubType
- fact-family
- Facts
- 1 + 19 = 20
- 19 + 1 = 20
- 20 - 1 = 19
- 20 - 19 = 1
- Difficulty
- hard
Write the fact family for 9, 1, 10:
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Answer: 9 + 1 = 10; 1 + 9 = 10; 10 - 9 = 1; 10 - 1 = 9
- SubType
- fact-family
- Facts
- 9 + 1 = 10
- 1 + 9 = 10
- 10 - 9 = 1
- 10 - 1 = 9
- Difficulty
- hard
Teaching Notes
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