Weltman has masterfully curated a collection of activities that open doors to profound and curious mathematical questions. Some of these questions are written into the text ("Did you know you can fit an infinite number of circles into a finite space?" Wait. WHAT?!), however most questions Weltman magically tucks away inside unmade art waiting to be created and discovered by the reader.

# Shapeshifting and Storytelling with Tangrams

This week's book added tangrams into our math story time. The tangram is a dissection puzzle consisting of seven flat shapes, called tans, which are put together to form shapes. The objective is to form a specific shape (given only an outline or silhouette) using all seven pieces, which may not overlap. In this NPR article*,... Continue Reading →

# Magic Emerges from a Cookie Fiasco

I didn't realize until researching this book that Mo Willem's Elephant and Piggie series is done, finished, finito. What?! Say it ain't so. Sorry, it is so. However, you can still get your Elephant and Piggie fix by reading Elephant & Piggie Like Reading! The Cookie Fiasco by Dan Santat. In this book within a book, Mo Willem's iconic duo make a cameo as they introduce and reflect upon Dan Santat's story The Cookie Fiasco. The Cookie Fiasco provides opportunities to explore both division and fractions.

# Ladybugs/Ladybirds make for Math/Maths Book Magic

Aren't ladybugs magical? Did you know that these adorable polka-dotted crimson creatures are only called ladybugs in the U.S.. In the U.K., and other English speaking countries, they're called ladybirds. Ben Orlin, wrote and sketched some math-related differences between U.K. and U.S. here on his awesome blog, Math with Bad Drawings. Here's an example of... Continue Reading →

# Multiplication as Scaling with a Multiplying Menace

In The Multiplying Menace, Rumpelstiltskin returns, demanding repayment for the gold he spun for a princess (who's now Queen). Rumpelstiltskin requests that the Queen's son, Peter, works off the debt. Threatening to increase the pest population and decrease the kingdom's livestock if repayment is not made. Peter must figure out how Rumpelstiltskin's magical stick works to save the kingdom.

# One Girl, One Grain of Rice, and One Surprising Mathematical Sequence

Recently, I was thrilled to hear that One Grain of Rice was the "book of the week" in my son's 2nd grade class. When I started this blog in July, I planned to write about this book, but forgot all about it. So I was happy for the reminder. The Book One Grain of Rice is a... Continue Reading →

# Life is No Fun When You’re a Remainder of One

It's a joy to read stories written well in rhyme. However, crafting a good story is hard enough, much less one that uses good rhyme. And writing a good math story in rhyme, even harder. Here's a rhyming math picture book that's definitely worth a read. The Book Written by Elinor J. Pinczes and illustrated by Bonnie MacKain, A... Continue Reading →

# A Magical Pot Makes for Math Book Magic

Happy (almost) Halloween! It seems like the number of trick-or-treating opportunities doubles each year along with the size of the candy bars. Although children enjoy this candy growth pattern, this week's math picture book shows us that doubling can get a bit out of control. The Book Two of Everything was written and illustrated by Lily... Continue Reading →

# Infinity +Me= A Picture Book made with Love

Uma wonders: How many stars were in the sky? A million? A billion? Maybe the number was as big as infinity?