Part 8: Plotting Irrational Numbers on a Number Line Solutions
Video Notes: Plotting Irrational Numbers on a Number Line
Complete the activities below as you follow along with the Plotting Irrational Numbers on a Number Line video.
Fill in the blanks
- To plot irrational numbers on a number line, you need to estimate their location by rounding them to the nearest rational decimal or whole number.
- Rounding rules tell us for numbers four and below, round down .
- Rounding rules tell us for numbers five and above, round up .
Example
Round 3.248601943… to the nearest hundredth. 3.25
Create a number line, like the one in your video, to plot the following irrational number.
3.248601943…
Once the value is rounded to the nearest hundredth, use the steps you followed to plot decimals on a number line.
