Curated OER
Converting Centimeters and Millimeters (B)
In this converting measurements activity, students review the measurement conversions for centimeter to millimeter and millimeter to centimeters. Students solve 24 problems.
Curated OER
New Boxes from Old
Ninth graders take a rectangular box (e.g., a cereal box) and cut it up to make a new, cubical box with the same volume as the original. In so doing, they will discover that because the cubical box has less surface area than the...