Hi, what do you want to do?
Curated OER
House Dimensions
Fourth graders measure the perimeters of several different rooms. They convert the measurements using ratios that allow them to draw the rooms to scale on paper. They draw the dimensions of a house to scale. They measure length to the...
CK-12 Foundation
Ck 12: Elem Math: Estimate and Compare Meters and Centimeters? (Grade 4)
[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.
Khan Academy
Khan Academy: Estimate Lengths
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.
E-learning for Kids
E Learning for Kids: Math: Amazon River Boat Trip: Length
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.
CK-12 Foundation
Ck 12: Elem Math: Estimating the Metric Lengths of Objects by Image
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must analyze the information they are given about the metric heights of three objects and answer questions that compare them....