This workbook capitalizes on the basic parts of sentence building for kids, from first word to ending punctuation.

Celebrate the Summer Olympics with this activity book. Learn some history, get to know Olympic athletes and ready yourself with all the tools you need to host your very own backyard games!

Meet mythical creatures from all around the world with these creative writing prompts. Tell a story from a monster's perspective, trek the Himalayas with a yeti and create your own monster too!

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.

Volume is the measurement of space occupied in three dimensions. Practice calculating the volume of 3-D shapes using a variety of techniques and with real-life examples through a series of engaging problems and questions.

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.

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.

Keep kids sharp as seasons turn from fall to winter. This workbook covers the holidays Hanukkah, Christmas and Kwanzaa thru writing numbers and words while keeping things light and festive.

From A to Z, this workbook is all about the alphabet! Introduce your child to uppercase and lowercase letters with beloved nursery rhymes, and hone his logic skills with letter Sudoku puzzles.

This book has The Three Little Pigs, The Boy Who Cried Wolf and more. What do these stories have in common? One wolfish character after another and a great excuse to compare and contrast stories.

Your child will have a blast familiarizing herself with months and dates in this workbook. Fill-in calendar pages make it perfect for anytime of the year; rain or shine.

Read two similar stories and see what two very different cultures can have in common when it comes to storytelling. This book comes with two illustrated stories and peppers questions along the way.

Earth's neighbors have landed: the planets that is! Your child can make his way across our solar system, planet by planet, learning interesting facts like any good astronaut, and making a 3-D mobile.

Pictures and information go hand-in-hand in this workbook. Take a bite out of simple graphing and savor the math!

These supplemental sheets take Colonial American history for a spin. Imaginative writing prompts and fact sheets for historic figures can be a fun complement to research projects.

Whether it's allowance or a dog-walking business, kids are often looking for ways to earn an extra buck. Tap into that interest with practice that includes calculating tips, sales tax and commission.

Number sentences make more sense when picking apart fact families and putting them back together! This colorful workbook helps kids make connections between addition and subtraction.

Did you know there are 6 simple machines that make up every complicated gizmo out there? This book introduces the pulley, the lever, the screw, the wedge, the inclined plane and the wheel & axle.

This set of worksheets covers the basics of building a sentence, from the capital letter to the dot in a question mark. Colorful pages lead the way!

Learn the lay of the land with a comprehensive breakdown of Earth's landforms. From buttes to fjords, kids will learn all the terminology and science behind the amazing structures of our planet.

The Corps of Discovery kept journals on their two-year-long journey. This workbook challenges kids to flex their spelling and grammar skills while reading about the trip in the words of the men.

The best kind of mental workout! Enjoy calculating the mystery numbers, identifying the mystery digits, spotting patterns, playing games, and even drawing pictures with these engaging math puzzles.

Get your hands dirty in the name of science! Explore the basic elements of the earth's surface with this beginner's guide to rocks, soil, and processes that change them.

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!

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.

Water is the source of life—and of fascinating science! Full of exciting experiments, this workbook brings to life important concepts like water density, the water cycle, and the chemistry of water.

The more exposure kids get to words the stronger their ability to describe their world and to read! This book focuses on adjectives and throws in adverbs for challenge work at the end.

Count on this vocabulary-focused resource as the go-to workbook all about natural resources! Write, research and get a breakdown of the world around by the natural resources we need and use.

Step back in time with this workbook that helps the youngest historians understand the difference between long ago and today.

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.