Tyrannosaurus Math Author:Michelle Markel, Doug Cushman (Illustrator) Who can add an entire herd of triceratops, multiply the legs of a group of ankylosaurs, and estimate the distance to the next tasty meal? — TYRANNOSAURUS MATH! — He's a number-crunching dinosaur who chews on math problems as easily as he thunders through the trees. When his little sister is in terrible danger, T-Math even saves the day by usin... more »g his measurable math skills. Is there anything he can't figure?« less