Copy of Variable expressions with addition and subtraction

Author:Kyle Lantz, Duane Habecker

Move the red dot on the left number line. Observe how the blue dot moves on the right number line. What algebraic expression describes the relationship between the two dots?

New Resources

Let's fly!
apec
seo tool
Sticky point to list of points
Tube moving at distance of a curve.

Discover Resources

HW55B-Altitude
centre of a circle
UnitCircle
Naming Angles According to Their Size

Discover Topics

Planes
Means
Rectangle
Histogram
Median Line