Adding with Number Lines: A Step-by-Step Guide

This video tutorial teaches how to add numbers using a number line. It begins with an introduction to number lines and decomposing numbers, followed by methods of counting on number lines. Two examples are provided: one involving Amanda's hula hoops and another with school buses, demonstrating how to use number lines for addition. The lesson concludes with a summary of the concepts covered.

What is decomposing in the context of addition?

What does it mean for numbers to increase as you move right on a number line?

How can you represent the addition of 40 and 15 on a number line?

Explain how to add the numbers 34 and 28 using a number line.

Describe the process of adding two decomposed numbers on a number line.