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.

Short and long vowels, rhyming words, and word family activities help children improve their phonological awareness and understanding of letter-sound relationships.

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

This workbook helps kids master their sight words through fun word scrambles, tracing, and writing sentences.

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.

Practice double meanings, nouns, verbs, and rhyming words in this appealing workbook! Children focus on improving literacy skills as well as vocabulary as they complete a variety of exercises and activities.

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.

Give your budding mathematician practice with double-digit numbers with this fun-filled workbook. It focuses on recognizing, tracing and counting numbers 11 to 20.

Words are all around. Each one has a name all its own. There are words for positions, words that connect, words for you, me and it! This workbook practices some of the shortest but important ones.

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.

Math is a jungle sometimes! Cut, paste, and count your way through in this workbook where it all adds up.

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

Bust a rhyme with your pre-reader! Teach alliteration as simple letter sounds, sing songs, and untangle tongue twisters in this wordplay workbook.

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!

This workbook helps kindergarteners learn their shapes through tracing, sorting and matching activities.

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.

This workbook covers familiar kindergarten math topics from counting to easy addition problems.

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!