Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...

Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read...

Discover a renewed appreciation for the highway transportation department. with a lesson that has scholars design a highway route that meets certain conditions, including traffic flow, curves, speed limits, financial costs, and...

Scholars learn about the metric system and produce a presentation on how to convert within the metric system. They then develop a brochure in support of legislation requiring the use of the metric system.

[Free Registration/Login may be required to access all resource tools.] This site offers four videos and a set of practice questions on estimating and comparing meters and centimeters using images and descriptions.

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to estimate the measure of objects in inches, feet, or yards. Includes video demonstrating a sample problem [0:36] and a...

On this interactive site students learn to estimate lengths and distances using kilometers, explain the difference between perimeter and area, and measure the volume of a 3D object by counting the cubic centimeters.

Help Manuel to measure in centimeters and meters while preparing for a science class. Students can play games and then take mini-assessments to measure their understanding of the content.

Sal estimates lengths using units of inches, feet, centimeters, and meters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints.

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to estimate the lengths of objects in feet or yards. Includes video demonstrating a sample problem [0:38] and a set of...

[Free Registration/Login may be required to access all resource tools.] For this learning module, students must choose the best answers to questions about the estimated lengths of objects. Includes video demonstrating a sample problem...

[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to measure the lengths, or heights, of objects in feet or yards. Includes video demonstrating a sample problem [0:25]...

Unit reasoning helps us make sense of measurements by converting between measurement units and making reasonable estimates. For the Praxis test, we need to know common measurement units for length, time, volume, and mass, as well as how...