Download these free worksheets to sharpen your skills in converting units. Sheets focus on converting between a wide variety of measurement units including mass, length, volume, temperature, time, and many more.

[Free Registration/Login may be required to access all resource tools.] Find sums and differences of measurements of time by converting units.

Practice converting a measure of time to a smaller unit. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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...

Students convert between metric and customary units of length in a series of self-check exercises and timed learning games.

Sixth graders extend and identify the patterns of decreasing time and be able to understand relationships among units and convert from one unit to another unit within the same system.

Learners will use this online Radioactive Decay Calculator to compute radioactive decay, timed decay, and timed solid disposal for a databank containing 116 isotopes. This calculator also features University of British Columbia disposal...

This lesson focuses on how to calculate average speed and distance traveled. It also explains how to convert different units of measure and provides a link to an assessment.

Students perform an experiment that simulates a leaking pipe and gather data on volume of water lost over time. They graph the data collected as a scatter plot, find the equation of the line of best fit, find the total volume of water...

An explanation the mole (named for molecule) and Avogadro's Number. One mole of a substance is equal to 6.022 times 10 to 23rd power units of that substance (such as atoms, molecules, or ions). The number 6.022 time 10 to 23rd power is...

Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.

This site reviews the process of converting gallons, quarts, and pints using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site reviews the process of converting gallons, quarts, and pints using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site reviews the process of converting feet to inches and inches to feet using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site reviews the process of converting feet to inches and inches to feet using multiplication or division. Students can practice the skills through self-check exercises and timed learning games.

This site from Time Zones for PCs provides a colorful, interactive maps of the United States and the world. Click on one of the starred cities to find out what time it is there.