Lesson: Adding Numbers up to 100 Using Compensation

In this lesson, we will learn how to add two numbers by breaking them apart and combining them to give us numbers that are easier to add.

Sample Question Videos

Q1:

Find the missing number.

What is ?

Q2:

Match the calculations which have the same answer.

Hint: What happens when you subtract the green ones from one addend and add them to the other?

Q3:

Pick a calculation that has the same answer.

Find the answer.

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