Lesson: Adding Tens to Tens

In this lesson, we will learn how to add two tens numbers with or without using base ten blocks.

Sample Question Videos

Q1:

Find the two numbers from 10, 20, 60, and 0 which add up to 30.

Q2:

Find the sum.

Hint: Add the ones and then add the tens.

Q3:

Which of the following numbers add up to 60?

Preview