Activity
University of Cambridge

University of Cambridge: Nrich: Plates of Cookies

For Students 3rd - 8th
As you start to work on this problem, keep in mind that in England cookies are called biscuits. Solution provided.
Activity
University of Cambridge

University of Cambridge: Nrich: What Shape and Color?

For Students 3rd - 8th
Fill in the chart and see which shapes and which colors belong in which rows and columns. The solution is readily available at this one page website.
Lesson Plan
Alabama Learning Exchange

Alex: Beyond the Earth Part I

For Teachers 3rd - 5th
Students will access prior knowledge of the solar system by completing a graphic organizer. After participating in a teacher lecture and whole group discussion, the students will work in collaborative groups to create a...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Bf 1,000 Is Half of 2,000

For Teachers 9th - 10th Standards
This task is about an online mathematics organization that is trying, over a four-year period, to generate 2,000 math problems that cover all grades. This real-life modeling task could serve as a summative exercise that draws on many...