Meet the mighty styracosaurus, a plant-eating dinosaur with a long horn on its nose. Color these dinos with your child, and share a fun fact with him as you go!

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Conterting hours to seconds or seconds to minutes can be a case of doing mental math by memorizing quick facts, like that 30 minutes is 1800 seconds.…

This worksheet is where multiplication and the calendar meet! Measures of time include the year, days and weeks.

Learn to convert measurements and calculate rates with this sixth- and seventh-grade worksheet!