Hi, what do you want to do?
AAA Math
Aaa Math: Converting Metric and u.s. Length
Students convert between metric and customary units of length in a series of self-check exercises and timed learning games.
National Council of Teachers of Mathematics
Nctm: Figure This: Access Ramp
So, you're interested in becoming a civil engineer, builder, or landscaper? Then you'll need to sharpen your skills in measuring slope. Try this math challenge where you will discover how to measure the steepness of an incline.