Number Line Operations with Task
In the app below, Drag the red and blue points to see how the number line and equation are related.
- What does the blue point show from the equation?
- What does the red point show from the equation?
- What do the "humps" show from the equation?
- 5 + = 12
- 8 + 6 =
- + 9 = 13
- 18 - 7 =
- 13 - = 7
- - 2 = 1