Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 33
Write the fact family for 8, 8, 64:
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Answer: 8 × 8 = 64; 8 × 8 = 64; 64 ÷ 8 = 8; 64 ÷ 8 = 8
- SubType
- fact-family
- Facts
- 8 × 8 = 64
- 8 × 8 = 64
- 64 ÷ 8 = 8
- 64 ÷ 8 = 8
- Difficulty
- hard
Write the fact family for 8, 10, 18:
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Answer: 8 + 10 = 18; 10 + 8 = 18; 18 - 8 = 10; 18 - 10 = 8
- SubType
- fact-family
- Facts
- 8 + 10 = 18
- 10 + 8 = 18
- 18 - 8 = 10
- 18 - 10 = 8
- Difficulty
- hard
Write the fact family for 7, 11, 77:
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Answer: 7 × 11 = 77; 11 × 7 = 77; 77 ÷ 7 = 11; 77 ÷ 11 = 7
- SubType
- fact-family
- Facts
- 7 × 11 = 77
- 11 × 7 = 77
- 77 ÷ 7 = 11
- 77 ÷ 11 = 7
- Difficulty
- hard
Write the fact family for 9, 2, 18:
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Answer: 9 × 2 = 18; 2 × 9 = 18; 18 ÷ 9 = 2; 18 ÷ 2 = 9
- SubType
- fact-family
- Facts
- 9 × 2 = 18
- 2 × 9 = 18
- 18 ÷ 9 = 2
- 18 ÷ 2 = 9
- Difficulty
- hard
Write the fact family for 7, 11, 18:
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Answer: 7 + 11 = 18; 11 + 7 = 18; 18 - 7 = 11; 18 - 11 = 7
- SubType
- fact-family
- Facts
- 7 + 11 = 18
- 11 + 7 = 18
- 18 - 7 = 11
- 18 - 11 = 7
- Difficulty
- hard
Write the fact family for 5, 4, 9:
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Answer: 5 + 4 = 9; 4 + 5 = 9; 9 - 5 = 4; 9 - 4 = 5
- SubType
- fact-family
- Facts
- 5 + 4 = 9
- 4 + 5 = 9
- 9 - 5 = 4
- 9 - 4 = 5
- Difficulty
- hard
Teaching Notes
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