Did you know that light can bend? Help your curious kids learn the important physical properties of light and explore how light adds colors to our world, with this beautiful series on light and color.

This workbook is packed with worksheets that let kids sharpen math skills by practicing the four basic math operations as well as factoring.

Leap and skip across the number line for addition and subtraction practice! Number line word problems help kids to easily visualize math equations, and multi-step problems make for an extra challenge.

This workbook gets kids ready to be expert dividers, challenging them with whole-number quotients, remainders and mathematical word problems.

Understanding the value of a number has never been more inviting. This series of worksheets will give your second grader the opportunity to count, read and compare numbers.

Algebraic thinking is a central component for 5th grade math. In this series, practice identifying number patterns, plotting on a coordinate grid, and solving for x in a variable expression.

Learn about presidents Washington, Lincoln and Obama. Reading quizzes, writing in academic formats, color-by-numbers, history timelines and designing monuments: This workbook has it all!

Learn presidential history, the functions of government and how elections work while having a blast. Read, write, color, cut and paste the way to knowledge of the past and present!

This beautiful, colorful activity book offers a comprehensive overview of division basics and techniques. Add tools like skip-counting on a number line, repeated subtraction, fact families, arrays, and equal groups to your problem-solving arsenal. Be sure

Reading without the bah-humbugs: take a look at "A Christmas Carol" with story pages young readers can bring to life with color, and step-by-step analysis pages to get them thinking.

Second graders practice telling time and reading the calendar, and test their skills with problems on elapsed time.

Get long division down to a tee with a series of word problems and practice sheets. This series includes division problems with decimals too.

Help your second graders get a grip on place value while practicing two- and three-digit math, plus rounding to the nearest hundred.

Expand children's problem-solving arsenal with this fundamentals of multiplication workbook.

Become a master of analysis! In this series, kids practice collecting, creating and plotting data on graphs. Then they'll practice reading graphs, making predictions, and comparing data.

Math is part of everyday life, so learn math concepts with everyday examples. Learn to calculate sales tax, discounts, income, expenses and how to get more bang for your buck!

Get your kid on her way to mastering base 10 with this workbook. With an emphasis on place value, base 10 makes it easy for her to visualize large numbers and see how numbers relate to each other.

This workbook is a festive way to work on reading comprehension strategies.