Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 99
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
- hard
Write the fact family for 10, 3, 13:
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Answer: 10 + 3 = 13; 3 + 10 = 13; 13 - 10 = 3; 13 - 3 = 10
- SubType
- fact-family
- Facts
- 10 + 3 = 13
- 3 + 10 = 13
- 13 - 10 = 3
- 13 - 3 = 10
- Difficulty
- hard
Write the fact family for 6, 6, 12:
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Answer: 6 + 6 = 12; 6 + 6 = 12; 12 - 6 = 6; 12 - 6 = 6
- SubType
- fact-family
- Facts
- 6 + 6 = 12
- 6 + 6 = 12
- 12 - 6 = 6
- 12 - 6 = 6
- 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 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
- hard
Write the fact family for 15, 3, 18:
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Answer: 15 + 3 = 18; 3 + 15 = 18; 18 - 15 = 3; 18 - 3 = 15
- SubType
- fact-family
- Facts
- 15 + 3 = 18
- 3 + 15 = 18
- 18 - 15 = 3
- 18 - 3 = 15
- Difficulty
- hard
Teaching Notes
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