Fact Family Add Sub Within 20 Hard — Set 93
Write the fact family for 16, 4, 20:
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Answer: 16 + 4 = 20; 4 + 16 = 20; 20 - 16 = 4; 20 - 4 = 16
- SubType
- fact-family
- Facts
- 16 + 4 = 20
- 4 + 16 = 20
- 20 - 16 = 4
- 20 - 4 = 16
- Difficulty
- hard
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- hard
Write the fact family for 11, 6, 66:
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Answer: 11 × 6 = 66; 6 × 11 = 66; 66 ÷ 11 = 6; 66 ÷ 6 = 11
- SubType
- fact-family
- Facts
- 11 × 6 = 66
- 6 × 11 = 66
- 66 ÷ 11 = 6
- 66 ÷ 6 = 11
- Difficulty
- hard
Write the fact family for 6, 10, 60:
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Answer: 6 × 10 = 60; 10 × 6 = 60; 60 ÷ 6 = 10; 60 ÷ 10 = 6
- SubType
- fact-family
- Facts
- 6 × 10 = 60
- 10 × 6 = 60
- 60 ÷ 6 = 10
- 60 ÷ 10 = 6
- Difficulty
- hard
Write the fact family for 2, 7, 9:
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Answer: 2 + 7 = 9; 7 + 2 = 9; 9 - 2 = 7; 9 - 7 = 2
- SubType
- fact-family
- Facts
- 2 + 7 = 9
- 7 + 2 = 9
- 9 - 2 = 7
- 9 - 7 = 2
- 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
Teaching Notes
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