Math-loving kittens race to build the best robot as they compete in a STEM day at school in this playful picture book that demonstrates the key math concept of identifying shapes. It’s a wonderful day—because it’s STEM day! Kitties are challenged to build a robot and use the wind to make it move. With circles, squares, triangles, and rectangles, the kitties do their best to tape, glue, and paste—but oh no! The robot won’t move. How might these disorderly cats make sense of all these shapes and build a successful robot?  Author Ann Marie Stephens draws upon more than 30 years of teaching experience to ensure that readers absorb math while having fun in the adventure-filled CATastrophe Tale series. And Jenn Harney’s hilarious and energetic illustrations capture the antics of these enthusiastic kittens. Each book in the CATastrophe Tale series includes helpful back matter, which shows readers that, just like the kittens, they use mathematical skills in their everyday lives. Additional titles in the series include CATastrophe!: A Story of Patterns and sCATtered!: A Story of Estimation.

Math-loving kittens prepare a party for their number-one grandmother in this playful picture book that demonstrates the key math concept of estimation. The CATastrophe! cats are back, this time causing even more chaos! Nine kitties are purring with excitement for Grandma Cat’s upcoming visit. They’re going to throw her a party with cake, decorations, and a special gift. But when frantically cleaning cats misjudge how many toys they can hide in a closet, catastrophe looms. . . . Author Ann Marie Stephens draws upon more than 30 years of teaching experience to ensure that readers absorb math while having fun in the adventure-filled CATastrophe Tale series. And Jenn Harney’s hilarious and energetic illustrations capture the antics of these enthusiastic kittens. Each book in the CATastrophe Tale series includes helpful back matter, which shows readers that, just like the kittens, they use mathematical skills in their everyday lives. Additional titles in the series include CATastrophe!: A Story of Patterns and CATawampus!: A Story of Shapes.

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.

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.

This exuberant picture book demonstrates key math concepts to children as ten math-loving chicks make a new friend. As the Arithmechicks slide down the slide, swing on the swings, and play hide-and-seek, they don't realize that a lonely mouse is copying them, longing to join in. However, when their basketball becomes stuck, the chicks discover that a two-inch-tall new friend is exactly what they need. In this heartwarming story, there are many ways to add up ten cheerful chicks--but a new friend is what makes them cheer. The book includes a helpful glossary that defines the eight arithmetic strategies the chicks use throughout the story, providing a playful introduction to essential math for young children and their caregivers.

This playful picture book demonstrates key math concepts to children in a merry story featuring the Arithmechicks, ten math-loving chicks. The Arithmechicks have invited their new friend Mouse for a sleepover. When Mama says it's time for bed, the clever chicks decide it's time to prolong the fun instead! During the story, readers are invited to count and take away during everyone's favorite game of hide-and-seek -- and to find Mouse, who hides in a different place in each illustration -- until all settle down for bed in the warm, cozy conclusion. The book is the perfect introduction to essential math for young children and their caregivers. It includes a helpful glossary that defines the eight arithmetic strategies the chicks use throughout the story.