Agricultural survey and the documentation of livestock or goods was the basis for the first written language. Youngsters discuss sorting and counting, and how these skills have been used for thousands of years. They accent their class...

What starts as a basic question of division and remainders quickly turns abstract in this question of related ratios and radii. The class works to surround a central coin with coins of the same and different values, then develops a...

Teach one-to-one correspondence, fine motor, and counting skills to your learners with visual disabilities. Included are a set of activity suggestions, which are useful when teaching a variety of different early math skills. Braille,...

Block play can teach children about gravity, physics, and spatial relationships. A hands-on lesson incorporates these concepts with an activity in which learners examine the relationship between levels in a pile. Scholars begin to...

Make your lesson on radioactive decay pop with this lab exercise. Using popcorn kernels spread over a tabletop, participants pick up all of those that point toward the back of the room, that is, those that represent decayed atoms. As the...