Worksheet: Addition within 100 Using Compensation

In this worksheet, we will practice adding two numbers within 100 by taking from one to add to the other to create an easier calculation.

Q1:

Fill in the blank: 1 1 + 3 = + 8 .

Q2:

We can find easier sums to help us add.

Find the missing number.

What is 5 4 + 1 8 ?

Q3:

3 students have been practicing drawing models to solve problems.

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

Is this true or false?

  • Atrue
  • Bfalse

What number makes the sums correct?

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