Activity
Curated OER

Sunken Treasure

For Teachers 8th - 10th Standards
You've located buried treasure, now what? Explore how to use algebraic and geometric methods to determine where to place a recovery ship based on the location of the treasure.
Activity
Education World

Every Day Edit - Elizabeth Cady Stanton

For Students 3rd - 8th
For this everyday editing worksheet, students correct grammatical mistakes in a short paragraph about Elizabeth Cady Stanton. The errors range from capitalization, punctuation, spelling, and grammar.
Activity
Education Development Center

Rectangles with the Same Numerical Area and Perimeter

For Students 8th - 9th Standards
Is it possible for a rectangle to have the same area and perimeter? If you disregard units, it happens! In a challenging task, groups work to determine the rectangles that meet these criterion. The hope is that learners will naturally...