Noyce Foundation
Double Down
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.
Curated OER
Odd and Even
Explore the concept of odd and even with your class using this resource. Learners take an online test demonstrating their knowledge of odd and even, sing a song about the concept, and engage in computer-based activities.