Workbook Detail
Fact Family Add Sub Within 10 Hard — Set 79
Write the fact family for 2, 8, 10:
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Answer: 2 + 8 = 10; 8 + 2 = 10; 10 - 2 = 8; 10 - 8 = 2
- SubType
- fact-family
- Facts
- 2 + 8 = 10
- 8 + 2 = 10
- 10 - 2 = 8
- 10 - 8 = 2
- Difficulty
- hard
Write the fact family for 2, 10, 20:
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Answer: 2 × 10 = 20; 10 × 2 = 20; 20 ÷ 2 = 10; 20 ÷ 10 = 2
- SubType
- fact-family
- Facts
- 2 × 10 = 20
- 10 × 2 = 20
- 20 ÷ 2 = 10
- 20 ÷ 10 = 2
- Difficulty
- hard
Write the fact family for 1, 7, 8:
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Answer: 1 + 7 = 8; 7 + 1 = 8; 8 - 1 = 7; 8 - 7 = 1
- SubType
- fact-family
- Facts
- 1 + 7 = 8
- 7 + 1 = 8
- 8 - 1 = 7
- 8 - 7 = 1
- Difficulty
- hard
Write the fact family for 7, 9, 63:
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Answer: 7 × 9 = 63; 9 × 7 = 63; 63 ÷ 7 = 9; 63 ÷ 9 = 7
- SubType
- fact-family
- Facts
- 7 × 9 = 63
- 9 × 7 = 63
- 63 ÷ 7 = 9
- 63 ÷ 9 = 7
- Difficulty
- hard
Write the fact family for 5, 6, 30:
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Answer: 5 × 6 = 30; 6 × 5 = 30; 30 ÷ 5 = 6; 30 ÷ 6 = 5
- SubType
- fact-family
- Facts
- 5 × 6 = 30
- 6 × 5 = 30
- 30 ÷ 5 = 6
- 30 ÷ 6 = 5
- Difficulty
- hard
Write the fact family for 1, 3, 4:
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Answer: 1 + 3 = 4; 3 + 1 = 4; 4 - 1 = 3; 4 - 3 = 1
- SubType
- fact-family
- Facts
- 1 + 3 = 4
- 3 + 1 = 4
- 4 - 1 = 3
- 4 - 3 = 1
- Difficulty
- hard
Teaching Notes
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