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.

This workbook gives second graders practice in punctuation, and helps to develop their vocabulary with contractions and compound words.

In this arrays 101 workbook, we explore and practice concepts like multiplication, repeated addition, factors, and products — all using arrays!

Make sense of cents and dollars with this essential workbook!

This workbook is packed with challenging third grade spelling words that your child can practice writing and applying to his or her vocabulary.

Focusing on homophones, common words and challenging compound words, this workbook will boost the confidence of your young speller, and help him prep for any upcoming spelling bee!

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!

The reading and writing practice in this workbook will get kids thinking about all the different parts that go into a good story, like vocabulary, structure and sequencing.

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

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.

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!

This workbook makes grammar practice fun for your child by applying it to games and storytelling.

Get your second grader's creativity flowing with this workbook, boasting all of the right stuff he needs to create events in a sequence, and eventually even pen his own prompts!

Fractions and decimals are way more fun when you apply them to real life scenarios, like parties, food and pets! This workbook teaches kids all about splitting up numbers.

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.

Elevate your language skills in this exceptional workbook!

In this workbook kids will measure time, distance, and masses to hone their measurement skills for math and beyond!

This workbook builds reading comprehension by reinforcing vocabulary with word puzzles, homophones and a few quick reading pages.

Children learn about a variety of aspects of Native American life and culture in this social studies workbook.

This workbook offers a good range of multiplications activities to strengthen your third grader's math muscles.

Exponentially expand your math skills in this excellent workbook!

Allow your language skills to advance in this amazing workbook!

Expect to enhance your language skills in this excellent workbook!

Make strides with your math skills in this comprehensive workbook!

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

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.

Make book reports a breeze with this workbook that contains plenty of pages for kids to thoroughly investigate and write about a book.

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

Add to your math skills with the help of this varied workbook!

Level up your math skills with the help of this fundamental workbook!