Curated OER
Odd and even
Learners play a game requiring them to select groups of odd or even numbers of objects with the aim of reaching a total which is an odd number. They carry out a more formal investigation of patterns in additions of odd and even numbers.
Smithsonian Institution
Trait Tracker
Help mice beat the odds with an exciting activity about traits. Biologists discover the role of diet and other factors on animal traits by participating in a simulation activity. Teams collect and evaluate data to understand how certain...