Compensation Addition Worksheets

Printable “Mental Addition” worksheets:
Make 10 strategy (eg. 67 + 4)
Compensation Addition (eg. 98 + 79)
Arrow Addition (eg. 450 + 360)
Make 100 Strategy (eg. 440 + 280)

Add 3 numbers (make 10) (eg. 5 + 3 + 5)
Add 3 single digit numbers (eg. 4 + 7 + 8)

Compensation Addition Worksheets

Second Grade math worksheets to help students practice compensation addition.
Compensation addition is a mental math strategy that involves adjusting one of the numbers in a problem to make the addition easier, and then adjusting the final answer to compensate for the change.

1. Look for a number that can be easily altered to a multiple of 10, to create a more convenient addition problem.
2. Make the adjustment to the numbers (by adding or subtracting a small number).
3. Solve the adjusted Problem by performing the addition using the modified numbers.

Example:
48 + 37
Adjust 48 to 50: Add 2 to make a multiple of 10.
Adjust 37 to 35: Subtract 2 from 37.
Add the adjusted numbers: 50 + 35 = 85

Have a look at this video if you need help to add using the compensation strategy.

• Compensation addition strategy

Click on the following worksheet to get a printable pdf document.
Scroll down the page for more Compensation Addition Worksheets.

 

More Compensation Addition Worksheets

(Answers on the second page)
Compensation Addition Worksheet #1
Compensation Addition Worksheet #2

Related Worksheets

Adding to 10 (10 + 6 = __)
Fact Family 10 (Add & Subtract) (eg. 10 - 4)
Fact Family within 20 (eg. 15 - 8)

1-digit + 1-digit (eg. 6 + 8)
Sums across 10 (1-digit + 1-digit)
Addition across 10 (2-digit + 1-digit)
Mental Math Addition (2-digit addends)

Add 3 numbers (make 10) (eg. 5 + 3 + 5)
Add 3 single digit numbers (eg. 4 + 7 + 8)

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