There are 14 number lines (1-15 per 8th grade expectations). There are boxes on the top and bottom of each line. I have students put the whole numbers in the boxes on the bottom of the number line and corresponding square root above it but you can switch depending on your preference. Then I have students place the irrational numbers on the appropriate number line. I encourage them to make it as accurate as possible (closer to the perfect square, closer to the half, etc.)

* I have students highlight the perfect squares before they cut.