We are working on a write up of this book. In the meantime, here are the reading levels and a peek inside.
Interest Level: K-Gr. 2 DRA Level: 34 Lexile Measure: 630L
Grade Equiv: 4.2 Guided Reading: O
Here's a spread from inside Tyrannosaurus Math, showing the style of illustrations as well as the math presented in the book. In this spread, the newly born dinosaur has just counted his claws and toes and made a number sentence out of them, causing his mother to name him Tyrannosaurus Math.
To learn more about this book, click the link below. (Please note that if you purchase an item from Amazon, they will give me a small referral fee.)