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 workbooks helps first graders build words, focusing on consonant blends, and understand word meanings with story and activity pages.

Things animals need, where they live, why they camouflage, this workbook is a den of learning! Kids can cut and paste pictures, play a memory game, work on writing and categorizing skills, too.

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.

This workbook focuses on the fundamentals of reading and spelling from vowel sounds to sight words.

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.

This workbook will introduce your child to consonant clusters: two letters with separate sounds, but which need to be read together.

The world is full of amazing creatures! Learn about a few from around the globe, as your child hones reading skills in this fact-filled workbook.

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!

From irregular measurements to using a ruler this workbook exposes kids to math vocabulary all about guessing and measuring lengths and sizes of objects.

This workbook helps first graders flex their handwriting and composition skills.

What on Earth? This reading comprehension work revolves around facts and myths about our own planet. Extend your child's reading skills and help ideas take root with this down-to-earth workbook.

This workbook offers good practice for first graders learning the basics of mathematics.

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.

This workbook is all about helping first graders ace their money math. Counting coins, word problems, and coin matching will help familiarize kids with the basics of money.

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.

This workbook features folktales and fables that will give first graders plenty of reading practice.

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.

This workbook gives first graders lots of practice with subtraction and shows its relationship to addition.

This workbook tells the story of Jack and the Beanstalk. Read, count and measure along with Jack!

Discover important math skills in this varied workbook!

Elevate your language skills in this exceptional workbook!

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

This workbook covers the basics of grammar, from parts of speech, to descriptive vocabulary, verb tenses and more!