This workbook enhances reading comprehension skills and spelling with a fun collection of word searches covering geology, food, animals and historical figures.

These math exercises will help your child practice finding coordinates, solving integer problems and factoring numbers to boost his or her algebra skills.

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

Embark on a worldwide animal safari with this nature-lover's workbook! Learn about animal habitats, endangered species and more, all while honing reading comprehension skills.

Your child will improve language arts skills while learning about life science in this workbook. It includes word searches, reading exercises, creative writing, spelling tests and other activities.

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.

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.

Set sail for adventure with this book that offers an exercise in geography and essential nonfiction reading skills. Each page contains information and a fact-finding activity, with quizzes at the end.

These articles, short stories, fairy tales and fables teach kids about a wide range of subjects so your child can learn more about history and science while improving literacy and vocabulary skills.

Kids can go on a daily writing adventure with a month's worth of prompts to keep writing skills sharp. Invent an animal, write a recipe, make three wishes, and more!

Oh no super heroes and villains on the loose! Only your child's writing skills can solve the mystery and save the day. Perfect for extremely imaginative kids, this workbook keeps thinking on its toes.

What is a literary genre? In this book, thumb through interesting quotes and the most popular genres. Your child has a chance to flex writing skills in a fun way as he analyzes what makes each unique.

These worksheets will strengthen your fourth grader's writing conventions and sentence construction, including capitalization, punctuation, and spelling.

When your fourth grader is ready to move on to multiple-digit addition and subtraction, these riddles will make review fun and challenging.

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.

Explore Valentine's Day with this mix of puzzles, reading, recipes, printable valentines and more! With a balance of sweet and educational, this book makes the day perfectly palatable for 4th graders.

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.

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

Math can be a gritty business but, this workbook breaks down coordinate grids from different angles, from plotting simple points to finding hidden spies.

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.

These math worksheets apply multiplication to the real world with interactive games and word problems that address multiplying double-digit numbers, place values and the properties of operations.

Get acquainted with the original GPS...maps! This geography workbook goes over all the fundamentals of finding your way, from cardinal directions to map scale, landforms and more.

Entice young writers to dabble in both formal, research-based writing as well as creative writing. These open-ended exercises help kids write dialogue and exposition while crafting essays or stories.

Here's an arsenal of April Fools' Day fodder! Kids will be armed with facts, pranks and puzzles. Plus, they'll be tickled by goofy writing prompts, silly word problems and wacky reading comprehension.

Find your inner musician with this fun-filled workbook all about music. Read about the history of different music genres, and learn to read music on the piano and guitar too!