Step 1: Read.
He looked at the chart on each spread, wrote the height on the back of the card, and then put them in order from smallest to biggest. Then he flipped over the cards. The T-Rex was the biggest prehistoric lizard we learned about!
Have a child that loves dinosaurs? Check out a few of these other dinosaur-related deceptively educational activities!
Hunt for dinosaurs
Make and hatch a dinosaur egg
Dinosaur counting and measuring