Double the dog ears, double the fun. Five problems provide increasing challenges with non-linear growth. Topics include dog ears, family trees and population data, and geometric patterns.  

Fourth graders participate in reading comprehension activities associated from a teacher's guide. In this reading comprehension lesson, 4th graders read Giving Thanks: A Native American Good Morning Message by Chief Jake Swamp and...

Dozens of statistical terms are defined and illustrated in this glossary.