Curated OER
Mathematics: It's a Wrap!
Students calculate the amount of wrapping paper needed to wrap boxes. They describe how they determined their answers.
Curated OER
The Chicken Run
Fourth graders work in a group of 4 to make rectangle with a 12m length of string. They discuss its perimeter and how they would calculate its area. Then another group of 4 make another rectangle and estimate if the area would be greater...
Curated OER
Measuring: Why Can't We All Just Get Along?
Students examine why having standardized units of measurement is important. They investigate the use of non-standard measure, twigs, while measuring the piece of tape. Next, they experiment with straws, paper clips, and rulers before...