Oh Christmas Tree: Slope Edition. This is a good tool to remember the different types of slope. I would have my students make these after we learned it in class as an activity to keep in their notebook. Rate of Change/Slope

Need help teaching high school geometry proofs? These tips and activities will help students understand how to write proofs and will keep them engaged!

Looks fun: A, Bee, C, Preschool: Building Shapes. Kindergarten readiness: Colored craft sticks are labeled with the number of sides each shape has, ie: 3 purple sticks - triangle. The children will choose a color and build the matching colored shape from

Really Rude Tees: Infinity Math Posters: Text says: Don't discuss infinity with a mathematician. Great funny holiday or birthday gift idea for a math teacher or mathematician.

KEEP CALM AND LOVE MATH. Another original poster design created with the Keep Calm-o-matic. Buy this design or create your own original Keep Calm design now.

Rational number: Any number that can be made by dividing one integer by another. The word comes from "ratio". Real number:Positive or negative, large or small, whole numbers or decimal numbers are all Real Numbers. They are not imaginary.