The Number Line

a. SCALE: Set the scale of the number line that is:

• Type in a number >=1 and <=500.

• Then click on the **Set Scale** button.

• What do you want to do? Click on the button!

• Now click on Ready for First Number.

b. FIRST NUMBER: Click and drag the point on the red slider to the value of the first number.

• Now click on Ready for Second Number.

c. Second Number: Click and drag the point on the blue slider to the value of the second number.

d. OPERATION: What is the result?

• Click on "Show Result " to see it on the number line.

e. EQUATION: Write down the equation for the operation and then do the operation.

• Click on Show Equation to check your answer.

• Click on **Reset** to start over.

LFS with idea for number line by Megan Yanes, idea for pseudo-slider by Zen Biker Maniac and help with "If" statement by Guy Barmoha

Created with GeoGebra