This book will have kids use their feet, paperclips and paper rulers to find lengths of drawings and real objects, putting comparisons and basic units before inches.

Help your kindergartener explore the world of measurement with whimsical worksheets that highlight how to use a ruler, how to read a clock and how to fill in a calendar.

From irregular measurements to using a ruler this workbook exposes kids to math vocabulary all about guessing and measuring lengths and sizes of objects.

There is a mix of objects in this workbook and it's up to your child to sort them by colors, shapes and sizes. Plus, he'll practice identifying weight and making simple comparisons.

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.