Oregon Department of Education
Building Number Sense
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Historical Thinking Matters
Rosa Parks: 3 Day Lesson
How can evidence and perspective challenge even the most well-known of stories? Through primary and secondary source analysis, think-alouds, and discussion, young historians evaluate the historical narrative of Rosa Parks across multiple...
Illustrative Mathematics
Why Does SSS Work?
While it may seem incredibly obvious to the geometry student that congruent sides make congruent triangles, the proving of this by definition actually takes a bit of work. This exercise steps the class through this kind of proof by...
101 Questions
Coins in a Circle
Round and round you'll go! Learners watch as different-sized circles fill with coins. They collect data and then make a prediction about the number of coins that will fit in a large circular rug.
Illustrative Mathematics
Similar Triangles
Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...
Getting to Know
Shape and Form in Art
Introduce youngsters to the important role shape and form play in art with this extensive collection of activities and projects. From teaching first graders how to create mandalas to engaging third and fourth graders in the design of...
American Museum of Natural History
Horse Gaits Flipbooks Walk, Trot, and Gallop!
Scholars follow seven steps to create horse-themed flipbooks. Three printable options allow them to choose from walking, trotting, or galloping scene.
Curated OER
The Digestive System
Discover how the human body's digestive system works with a brain and stomach friendly activity. Scholars taste test a variety of foods to find out how they behave once in the mouth. Class members then play a game called Move That...
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