Worksheet: Adding Numbers up to 100 Using Compensation

In this worksheet, we will practice adding two numbers by breaking them apart and combining them to give us numbers that are easier to add.


Fill in the blank: 11+3=+8.


We can find easier sums to help us add.

Find the missing number.

What is 54+18?


3 students have been practicing drawing models to solve problems.

Daniel says, “the same number makes all of our sums correct”.

Is this true or false?

  • Afalse
  • Btrue

What number makes the sums correct?

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