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2.03 Addition and number lines

Lesson

Are you ready?

Being able to find numbers on a number line is going to help us with this lesson. Let's remember how to read a number line. 
 

Where is the point plotted on the number line?

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Learn

We are going to use a number line to see how to add some numbers together, and see how we can try different ways to do it.

Apply

Use the number line to help you find the value of $10+38$10+38.

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  1. $10+38$10+38 $=$= $\editable{}$

Remember!

When we add on a number line, we move to the right.

It is usually easiest to start with the larger number and add the smaller number.

Outcomes

MA.3.NSO.2.1

Add and subtract multi-digit whole numbers including using a standard algorithm with procedural fluency.

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