Too Small Tyson / Tyson, el pequeñito

Tyson is the youngest--and the smallest--in his family and is always trying to keep up with his brothers. But when the family pet goes missing, Tyson comes to the rescue! Tyson uses his knowledge of doubles, triples, and bigger and smaller sizes to figure out a clever way to reach his beloved pet gerbil, Swish! This book explores proportional thinking building a foundation for measurement, fractions, and alegbra!