When Olympic swimmer Michael Phelps won a race by .01 of a second, we saw how significant a hundredth of a second can be! This series offers practice with decimals to build a solid understanding of the place value system.

How well do you know words? Have fun with your English skills in this charming packet!

What's a metaphor? How do you haiku? Kids will hone reading and writing skills with this book, from a simple syllable counting exercise to inventing rhymes and tangling with the Jabberwocky!

Why does the earth spin? How is a rainbow formed? Feed the flame of curiosity in your child, and find out the answers to some of those age-old questions about how the world works.

What do you know about the prince in Sleeping Beauty? Here are four classic stories re-spun for kids, with the focus on supporting characters.

The activities in this workbook do double-duty as both vocabulary practice and earth science review with a collection of word scrambles, crosswords, and quizzes about animals, plants and planets.

Play the role of president. This series poses critical thinking in a playful what-would-you-do way. Scenarios leverage reading, thinking and writing skills while engaging kids in modern government.

Your child may be able to read a clock, but what about the passage of time? This workbook is all about elapsed time, and how to both estimate and calculate how much time has passed in between hours.

Nature documentaries might make the animal world seem graceful, but it's actually pretty gross! Explore all the icky, sticky and smelly things animals do to help each other survive in the wild.

Do more with drawing in this book of interesting art basics and history. Each page challenges kids to think outside the box to draw or create a pattern, while honing language, math skills, and more.

Challenge kids to think outside the digital box with these analog clock worksheets. Draw the time, write it in words, do match-ups and more. Kids will look at the hour, half-hour and quarter-hour.

It's fact vs. opinion statements about interesting animals in this workbook. Kids will also think about how diagrams and images help clarify reading passages.

Let your voice be heard! This workbook challenges kids to express their opinions. But more importantly, they'll learn how to support opinions with good evidence and facts.

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 workbook will challenge your fourth grader with math formulas, shapes practice and angle activities. Kids will also learn how to find areas and perimeters, classify triangles and calculate time.

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!

Count and convert measurements for liquids, lengths and time with this supplemental book! So many practical skills come from knowing how to measure lengths, tell time and convert units of measurement.

Things are jumbled up at the newspaper! Your child has the know-how with the help of this workbook to set things right. Review grammar rules and practice composition through reading passages.

Get a great introduction to word problems with this round up of practice pages. Kids will review addition and subtraction from a different approach, and learn how math can apply to the real world.

Personal narrative writing is all about you—the writer! Kids will enjoy writing about themselves, from personal experiences and to feelings and emotions. Plus, they'll learn how to map a story.

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.

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.

When it comes to reading, it’s all about inferring. Kids can learn how to use clues in a text to understand a character’s thoughts or follow the action, in this book about jumping to conclusions.

What does half a pizza look like? Fractions get an even start with this workbook covering halves and fourths through coloring and, counting and drawing images.

Learn all about the Revolutionary War with this exciting history workbook!