It's classified! With intricate artwork and refreshingly simple language, Neil Packer's introduction to the many ways of ordering things will thrill the detail-oriented among us. Meet Arvo. Now look at his family tree. Meet his cat, Malcolm, and check out Malcolm's family tree, too. Whether people or cats, buildings or books, food or vehicles, there's a category for everything. And in this mesmerizing narrative introduction to taxonomy, readers follow Arvo through his day to learn about the order of the animal kingdom, to his music lesson to help categorize instruments, and across town to classify cloud formations he sees along the way. Neil Packer's detailed illustrations and simple narrative are perfect for readers who itch to classify and find order in their daily lives.

It's the 100th day of school-what can you do to celebrate? Here are 100 different ideas for celebrating this fun and important day. The 100th day is about math-and so much more! From collecting to counting, baking to bouncing, reading to writing, every possible kind of activity is included for 100th day celebrations at home or at school. Bright, detailed photographs and plenty of innovative ideas will make this beautifully designed book the essential, must-have book for every family and classroom.

A second entry in the series that began with 101 Things Everyone Should Know About Science uses an accessible question-and-answer format to provide comprehensive coverage of everyday applications of essential math skills, from making change to understanding sport statistics.

"Thirteen flies become tasty snacks in this clever reverse counting book about predators and prey. Science meets subtraction as a swarm of flies buzzes along, losing one member to each predator along the way. Includes a guide to eating bugs, complete with nutritional information for a single serving of flies."--

Explore different numerical breakdowns of a year in this concept picture book that introduces numbers big and small in creative ways, all adding up to a wonderful 365 days! A year can feel like a really, really long time. One trip around the sun. Twelve months. Fifty-two weeks. 365 days. 31,535,000 seconds. It seems like forever, so let’s break it down! A year is made up of 365 “Good mornings.” It’s fifty-two Friday night movie nights, twelve calendar backgrounds, and one special birthday wish. Time passes in so many fun and exciting ways—come explore them!

[An] impressive history of timekeeping.'- Horn Book Bruce Koscielniak, in this Common Core text exemplar, tells the intriguing story of the many years spent tinkering and inventing to perfect the art of telling time. When time itself was undefined, no one knew the difference between a minute, an hour, and a day. Then people started creating tools to measure time. First they used the sun, the moon, and the water, but soon after people began using their knowledge about the natural world to build clocks and to create calendars made up of monthsand years. Centuries later, we have clocks and calendars all around us!This title has been selected as a Common Core Text Exemplar (Grades 4-5, Informational Texts)

Using real world examples, Fun with Math: Adding helps early learners understand this often challenging math concept. Colorful photographs, simple sentences, and relevant sight words make learning addition fun! This book also includes a page for caregivers and teachers that suggests guiding questions to help aid in reading comprehension.

Using real world examples, Fun with Math: Adding helps early learners understand this often challenging math concept. Colorful photographs, simple sentences, and relevant sight words make learning addition fun! This book also includes a page for caregivers and teachers that suggests guiding questions to help aid in reading comprehension.

This entertaining book takes young readers to a soccer practice to show them the basics of addition. Easy-to-follow text helps children learn about addition words and symbols, strategies for adding up to 10+10 and beyond, the additive identity and commutative property in addition, and how to use objects, pictures, and number sentences to represent real-life addition problems.

The Arithmechicks prove that love is greater than disappointment in this heartwarming story about a hike, a lost stuffed animal, and the math concepts of greater than, less than, and equal to. Publishers Weekly described the Arithmechicks as an “enjoyable resource for young ones stepping up their counting game." Join the Arithmechicks and Mouse as they head off to the wilderness! These chicks can’t wait to hike up the ridge, find delicious berries, and, best of all, spend time with their duckling cousins! But the day is off to a bad start when one duckling accidentally leaves a beloved stuffed animal on the bus. How can these chicks (and Mouse) cheer up their cousin? Discover how an adventure with the Arithmechicks brings both humor and heart to the math they stumble across during their journey. Ann Marie Stephens draws upon thirty years of teaching experience to ensure that readers absorb math while having fun. The book also includes a helpful glossary that defines the modern arithmetic strategies the chicks use throughout the story. Join the Arithmechicks on all of their math adventures! Readers will explore addition in Arithmechicks Add Up, subtraction in Arithmechicks Take Away, fact families in Arithmechicks Take a Calculation Vacation, fractions in Arithmechicks Play Fair, greater than/less than/equal to in Arithmechicks Explore More, and ordinal numbers in Arithmechicks Find Their Place.

Join the Arithmechicks on a mathematical adventure in the big city! Help them solve a mystery in this playful picture book that demonstrates the concept of ordinal numbers in a clever story featuring ten math-loving chicks. Publishers Weekly described the Arithmechicks as an “enjoyable resource for young ones stepping up their counting game." The Arithmechicks and Mouse are excited to be traveling to the city—even more so when they learn that Mama has planned a secret scavenger hunt, culminating in a mysterious 10th stop! But when one chick wants to be the best, he starts disrupting the plans. How can these frustrated chicks (and Mouse) show their sibling that it’s better to work together? This adventure with the Arithmechicks is made up of math, a mystery, and, most of all, humor and heart. Ann Marie Stephens draws upon thirty years of teaching experience to ensure that readers absorb math while having fun. The book also includes a helpful glossary that defines the modern arithmetic strategies the chicks use throughout the story. Join the Arithmechicks on all of their math adventures! Readers will explore addition in Arithmechicks Add Up, subtraction in Arithmechicks Take Away, fact families in Arithmechicks Take a Calculation Vacation, greater than/less than/equal to in Arithmechicks Explore More, fractions in Arithmechicks Play Fair, and ordinal numbers in Arithmechicks Find Their Place.