Curated OER
Grade 2: Spinning Sums
Second graders collect data by spinning two spinners and creating sums, organize the data, and make conclusions from the data. Each students makes a spinner. They spin and record the number of the section each time. Students work in...
Curated OER
Perimeter Patterns
Sixth graders calculate perimeter of rectangles with different dimensions. In this perimeter instructional activity, 6th graders define length, width and perimeter. Students complete a perimeter activity using a web tool to change the...
Curated OER
Cover and Boarders
Young scholars find the area and perimeter of rectangular figures. They use this information to find patterns and discover relationships between area and perimeter. Students apply and explain formulas relating to perimeter, area, and...
Curated OER
Tantalizing Tangrams
Fourth graders participate in what is considered to be a model lesson. The lesson focuses upon polygons and basic geometry. The lesson addresses national standards and displays how others should be done.
Curated OER
Algebra I: A Draining Swimming Pool
Students analyze and develop symbolic representations to describe the amount of water left in a pool being pumped out after a given amount of time, with various pumping rates and initial quantities of water in the pool.
Curated OER
Tetrominoes Cover-Up
Third graders compare and contrast the attributes of two-dimensional shapes. Using a tetrominoes game, they create two-dimensional shapes to cover up a game board. At the conclusion of the game, 3rd graders discuss the patterns they...