Interactive
Math Is Fun

Math Is Fun: Unit Conversion Tool

For Students 9th - 10th Standards
Use this online tool to convert measurements of acceleration, area, density, electricity, energy, force, length, mass, and other measurable properties.
Unit Plan
CK-12 Foundation

Ck 12: Measurement: Conversions in Metric Units

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Convert among metric units of measure using powers of 10.
Unit Plan
CK-12 Foundation

Ck 12: Measurement: Conversions of Measurements in Metric Units

For Students 6th - 7th Standards
[Free Registration/Login may be required to access all resource tools.] Convert metric units of length, mass, or capacity by multiplying by powers of ten.
PPT
Sophia Learning

Sophia: Converting From Grams to Particles: Lesson 2

For Students 9th - 10th
This lesson demonstrates how to convert from grams to particles (molecules, atoms, ion). It is 2 of 2 in the series titled "Converting from Grams to Particles."
Handout
Other

All math.com: Us/metric Conversion Tables

For Students 9th - 10th Standards
Convert metric measurements to U.S. Measurements and the reverse, too. Easy to follow tables have sections for area, length, mass,temperature and volume.
Unknown Type
University of Waterloo (Canada)

University of Waterloo: Cemc: Metric Conversion [Pdf]

For Teachers 9th - 10th
This worksheet is designed for Grade 7 students. The students are expected to: i. understand both metric and customary systems of measurement ii. understand relationships among units and convert from one unit to another within the same...
Unknown Type
Khan Academy

Khan Academy: Estimating Mass (Ounces and Pounds)

For Students 3rd - 5th Standards
Practice estimating the mass of real life objects using US customary units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Interactive
Calculator Soup

Calculator Soup: Weight (Mass) Conversion Calculator

For Students 9th - 10th
This online conversion calculator will convert among different units of weight or mass.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items

For Teachers 9th - 10th
Students explore the concept of the mole as a measure of quantity. They build spreadsheets that allow them to convert between moles, grams, and atomic mass units for given quantities of everyday items, elements, and simple chemical...
Activity
Other

Conversions for Weight Measurements

For Students 9th - 10th Standards
This site allows you to convert weight/mass measurements. For example converting tons to grams. CCSS.Math.Content.3.MD.A.2 Measure and estimate liquid volumes and masses of objects using standard units
Unit Plan
Khan Academy

Khan Academy: Us Customary Conversion Word Problems

For Students 3rd - 5th Standards
Practice US customary length, volume, and mass problems that require expressing measurements given in a larger unit in terms of a smaller unit. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Online Course
Khan Academy

Khan Academy: The Mole and Avogadro's Number

For Students 9th - 10th
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...
Interactive
Other

Ask Numbers: Measurement Conversion Calculators and Charts

For Students 9th - 10th Standards
What kind of unit conversion would you like to do? This site will allow you to do a multitude of conversions. Just click on the specific measurement you are needing to convert. It also provides a history of measurements and a chart of...
Website
Other

Online Conversion

For Students 9th - 10th
Conversion calculators galore! Convert just about anything from one measureable unit into another measureable unit here with over two dozen calculators. Each of the links is specific to a measureable quantity. Some examples include...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 8.ee Ant and Elephant

For Teachers 8th Standards
In this problem comparing the mass of an ant to that of an elephant, 8th graders are contrasting a very small quantity with a very large quantity. They need to convert between grams and metric tons so as to work with the same units, and...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Radioactive Decay Calculator

For Teachers 9th - 10th
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...