With these worksheets children use their logical thinking to distinguish the difference between objects such as tall or short, more or less. Measuring helps kids understand the dimensions of objects.

Help your child master the idea of more, less, and equal. This workbook is filled with math comparison exercises that teach your preschooler the basic math concept of sizes and amounts.

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.

Salute the Flag with this workbook featuring America the beautiful. Tracing, coloring, counting and games are themed in honor of the Fourth of July.

Preschool children begin to develop the skill of sorting items. These worksheets will help children practice classifying objects by looking for differences, categorizing by size or shapes.

Math is in full bloom in this workbook that recalls sunny spring days. Your preschooler will learn to count, measure and add with the help of some bugs, butterflies and flowers.

Hear, taste, touch, see and smell with this hands-on sequence of experiments and activities! Your child can explore his five senses and build important prediction and observation skills.

These activities will keep your kids busy for hours. Painting isn't mere messy fun; it also encourages creativity, allows kids to explore early math concepts and build fine motor skills.

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!

Use this series to help your child explore the passage of time, from days to years. Kids will get to map their lives on a timeline as they learn about concepts of past, present and future.