What better way to learn sorting and categorizing than with familiar objects preschoolers see every day? This workbook is great for practice sorting and comparing, using household items.

Circles, squares, diamonds and polygons; this book focuses on the most basic ones, and some silly shapes too. Kids can trace, draw and match shapes to the heart's content. Hey that's a shape, too!

How many men would be left if one got out of that rub-a-dub-dub tub? This nursery rhyme series has a mathematical twist. Review basic addition and subtraction with these classic children's rhymes.