expert Set 21 Form Exercise

Balance the scale: 10 + 10 = 12 + ?

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Answer: 8

SubType
equal-expressions
Difficulty
expert

Balance the scale: 3 + 6 = 7 + ?

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Answer: 2

SubType
equal-expressions
Difficulty
expert

Balance the scale: 1 + 1 = 1 + ?

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Answer: 1

SubType
equal-expressions
Difficulty
expert

Balance the scale: 9 + 10 = 6 + ?

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Answer: 13

SubType
equal-expressions
Difficulty
expert

Balance the scale: 3 + 9 = 6 + ?

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Answer: 6

SubType
equal-expressions
Difficulty
expert

Balance the scale: 7 + 10 = 13 + ?

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Answer: 4

SubType
equal-expressions
Difficulty
expert

Balance the scale: 2 + __ = 5

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Answer: 3

SubType
missing-addend
Difficulty
expert

Balance the scale: 2 + __ = 4

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Answer: 2

SubType
missing-addend
Difficulty
expert

Balance the scale: 2 + 6 = 7 + ?

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Answer: 1

SubType
equal-expressions
Difficulty
expert

Balance the scale: 1 + __ = 3

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Answer: 2

SubType
missing-addend
Difficulty
expert

If left side = 9 × 9, what does the right side equal to balance the scale?

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Answer: 81

SubType
multiplication-balance
Difficulty
expert

Balance the scale: 7 + 5 = 8 + ?

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Answer: 4

SubType
equal-expressions
Difficulty
expert

Balance the scale: 3 + 4 = 3 + ?

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Answer: 4

SubType
equal-expressions
Difficulty
expert

Balance the scale: 7 + __ = 8

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Answer: 1

SubType
missing-addend
Difficulty
expert

Balance the scale: 4 + 5 = 4 + ?

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Answer: 5

SubType
equal-expressions
Difficulty
expert

Balance the scale: 1 + __ = 4

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Answer: 3

SubType
missing-addend
Difficulty
expert

If left side = 7 × 4, what does the right side equal to balance the scale?

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Answer: 28

SubType
multiplication-balance
Difficulty
expert

If left side = 9 × 10, what does the right side equal to balance the scale?

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Answer: 90

SubType
multiplication-balance
Difficulty
expert

Balance the scale: 5 + 8 = 3 + ?

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Answer: 10

SubType
equal-expressions
Difficulty
expert