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In this activity, we will find the missing number in a calculation.

 

tree with apples

 

Example

Find the missing number in the sum.

 

134 + ___ + 22 = 160

 

Answer

Step 1:   Add together 134 + 22 = 156.

Step 2:   Work out what you need to reach 160 by calculating 160 - 156 = 4

 

So,

134 +  4  + 22 = 160

 

Did that make sense?

 

girl thinking

 

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