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.

Measure up with the concept of comparison! Your kindergartener will love learning how to use a ruler and group objects according to size, length, weight, height and quantity.

Get your child ready for Kindergarten by introducing them to double-digit numbers. This workbook will teach them how to identify, write, and count numbers eleven through nineteen.

This book takes preschool math to the next level with sorting practice, and then asks your child to figure out how many items are in each group – all through pictures of familiar animals and objects.

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.