Suffixes, verb tenses and plural nouns boil down to simple spelling patterns in this workbook. Kids will handle S, -es, -ing and -ed. It's all in the endings!

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

Scale math heights using this workbook that's based on real measurements of U.S. geography. Kids rely on charts and data provided to answer word problems.

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!

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.

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!

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.

Give the subject of energy a zap! This workbook offers a brief overview of energy, its sources and uses. With clear vocabulary and illustrations, it's a great introduction to what fuels us.

Kids can write, graph and read their way through Valentine's Day with a sweet mix of history, writing and math! Kids will explore both the mythical and practical side of this day.

Everything a kid needs to read and write a biography. Learn about some inspirational Americans, try your hand at writing someone else's story, and consider what makes heroes so compelling.

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.

Math isn't just adding and subtracting—it's about making sense of numbers and information. Practice with calendars and different types of graphs to help your child dive into data!

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.