Australia
Year 3
3.01 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.
Examples
Example 1
Where is the point plotted on the number line?
Worked Solution
Idea summary
The locations on a number line are labelled with numbers. We can find the location by reading the label at the point.
Addition and number lines
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.
Examples
Example 2
Use the number line to help you find the value of 43 + 12.
Worked Solution
Idea summary
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.
