National Council of Teachers of Mathematics
Nctm: Figure This: The Race [Pdf]
A challenge that combines skills in problem solving and logical reasoning. See if you can figure out who will win the race by determining the rate of speed of each runner. A one page activity from NCTM Math Challenges for Families...
USA Today
Usa Today: Understanding Air Density and Its Effects
In simple terms, density is the mass of anything - including air - divided by the volume it occupies. In the metric system, which scientists use, we usually measure density in terms of kilograms per cubic meter. The air's density depends...
Other
Wfp Consulting: Si Navigator
A commercial site which has links to many SI/metrics sites. It gets you to a host of sites. Don't hesitate to use it for research.
Sophia Learning
Sophia: Introduction to Converting Units: Lesson 5
This lesson introduces the concept of a conversion factor and explains how it can be used to convert between metric to metric units as well as between English and metric units for different quantities. It is 5 of 5 in the series titled...
CK-12 Foundation
Ck 12: Elem Math: Converting Kilometers to Meters With Decimals
[Free Registration/Login may be required to access all resource tools.] For this learning module, students work with decimals as they convert kilometers into meters. Includes video demonstrating a sample problem [0:43] and a set of...
CK-12 Foundation
Ck 12: Elem Math: Converting Centimeters to Millimeters With Decimals
[Free Registration/Login may be required to access all resource tools.] For this learning module, students work with decimals as they convert centimeters into millimeters. Includes video demonstrating a sample problem [0:34] and a set of...
CK-12 Foundation
Ck 12: Elem Math: Converting Meters to Centimeters With Decimals
[Free Registration/Login may be required to access all resource tools.] For this learning module, students work with decimals as they convert meters into centimeters. Includes video demonstrating a sample problem [0:44] and a set of...
Khan Academy
Khan Academy: Convert to Smaller Units (Mm, Cm, M, & Km)
Practice converting a metric measure of length to a smaller unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Convert to Smaller Units (G and Kg)
Practice converting a metric measure of mass to a smaller unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Convert to Smaller Units (M L and L)
Practice converting a metric measure of volume to a smaller unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Calculator Soup
Calculator Soup: Cubic Yards Calculator
Use this calculator to calculate cubic yards volume for a variety of different areas. Enter measurements in US units or metric units. Calculate volume from your measurements in inches (in), feet (ft), yards (yd), centimeters (cm), or...
Curated OER
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Learn the units of volume measurement. Page includes a conversion calculator, information about the metric system, and numerous links to other relevant material.