Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

Make the abstract nature of time and money easier for your kid to understand with some fun ideas that focus on these concepts.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!