You can use the tangent lines from a parabola to make a Christmas Tree. Really!… More

You can use the tangent lines from a parabola to make a Christmas Tree. Really!… More

PEMDAS is riddled with problems. Here’s a situation where real students were directly affected by this horrid mnemonic.… More

Y’know those weird rules on solving inequalities? How about explaining it using a number line?… More

Did you know you can teach square roots with fractional exponents – and it just might work better that using radicals! … More

What do you think about this analogy I use when teaching square roots and other manipulations of radicals? It’s pretty non-PC, but it seems to work.… More

Do you teach transformations? Are they tough to introduce? Try this activity!… More

I’ve always wondered, “Why is the y-intercept called b?” And just today I discovered the answer!… More

Here is a handy way to help students understand what the distributive property is really all about.… More

When factoring polynomials it’s sometimes nice to use a graphic organizer to keep track of all your work. Here’s a free one!… More

Do your children read Highlights Magazine? Check out a new way to look at one of the math puzzles!… More