Topic: Algebra  >>  Finding the missing number in number sentence using addition or subtraction.

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Choose the missing number in the number sentence.
   - 27 = 49
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Choose the missing number in the number sentence.
   - 3 = 18
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Determine the value of the missing variable.
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Determine the value of the missing variable.
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Determine the value of the variable that best fill the blank.View Details
Find out the unknown variable in the given expression. 70 +  = 130?
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Find the missing value in the number sentence.
  + 54 = 61
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Find the missing value in the number sentence.
  + 15 = 32
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Find the missing value in the number sentence.
37 +   = 55
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Find the missing value.
87 =  - 65
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Find the missing value.
746 -  = 529
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Find the value of the missing addend.
130 + = 160
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Find the value that should occupy the box in order to make the number sentence true.
 + 24 = 121
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Identify the missing number in the number sentence.
673 -  = 239
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Which number balances the number sentence?
16 -    = 7
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Which number balances the number sentence?
53 +   = 75
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Which number balances the number sentence?
6 +   = 17
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Which number balances the number sentence?
9 +   = 17
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Which is the missing number in the blank?
___ + 12 = 15
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Which number best replaces  to make the number sentence true?

 - 29 = 44
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Which number makes the number sentence true?
  + 13 = 15
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Which number makes the number sentence true?
  + 13 = 16
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Which number makes the number sentence true?
  + 13 = 27
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Which number makes the number sentence true?
128 + __ = 374
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