DIY engineering / bridge lesson plan craft for kids. My kids are the grandchildren of two engineers and are ALWAYS tearing apart and rebuilding. Plus, we know a REAL bridge builder :)

April Fools Math - Common Algebra Mistakes Students are asked to correct the most common Algebra mistakes in 20 equations. One is titled "April Fools'" and the other is titled "Oops".

I’ve always confused “permutation” and “combination” — which one’s which? Here’s an easy way to remember: **permutation sounds complicated**, doesn’t it?