CK-12 Foundation
Ck 12: Elem Math: Comparing Meters, Centimeters, and Millimeters
[Free Registration/Login may be required to access all resource tools.] For this learning module, students compare metric amounts of length and state which is greater, less, or equal. Includes video demonstrating a sample problem [0:57]...
ClassFlow
Class Flow: Metric Measurement: Length
[Free Registration/Login Required] This metric measurement flipchart contains instructions and interactive activities on millimeters, centimeters, meters and kilometers.
Middle School Science
Middle School science.com: Smile Metric Style Lesson
In this lesson plan site, students will learn how to use a metric ruler to measure length, accurately read and record measurements taken in centimeters and millimeters, and collect and analyze data using a stem and leaf.
Other
Science Made Simple: Conversions for Length Measurement
This site allows you to type in various lengths you want to covert. For example, if you want to find out how many feet there are in 10 meters, you can submit that information and get the answer.
Khan Academy
Khan Academy: Metric Units of Length Review
Metric units of length (millimeters, centimeters, meters, and kilometers) are reviewed and practice problems are provided.
Science Made Simple
Science Made Simple: Area Measurement Conversions
This site allows you to type in an area of measurement you want to be converted. The site converts it for you!
Colorado State University
Usma: Commonly Used Metric System Units and Symbols
USMA provides a listing of commonly used metric system units, symbols, and prefixes.
CK-12 Foundation
Ck 12: Measurement: Metric Unit Length Conversions
[Free Registration/Login may be required to access all resource tools.] Convert metric units of length and round to a given place value.
Other
Metric Conversion Calculator and Charts
Metric Conversions offers online calculators for making conversions, downloadable tables in many types of metric conversion (pdf format), and free conversion tools to put onto your website or dynamic pages.
The Math League
The Math League: Length
This site gives conversions from metric to metric as well as providing abbreviations for each.
Science Made Simple
Science Made Simple: Online Metric Converter
Practice converting English units of measurement to metric units using this tool.
Math Is Fun
Math Is Fun: Metric Length
The different units used to measure metric length are described, with comparisons to real world objects. A wonderful number line also shows the relative sizes of things all the way from a quark to the universe in powers of ten.
Math2
Math2.org: Weights and Measures
This resource provides information on weights and measures, including unit conversion tables.
Other
Nanozone: Nanoconverter
Use the nanoconverter to convert inches, feet, or miles (or millimeters, centimeters, or meters) into nanometers.
The Math League
The Math League: Metric Units and Measurement
This metric system tutorial is compared to the U.S. standard system so that students can comprehend the measurement of length, volume, mass and the like.
Math Is Fun
Math Is Fun: Metric Area
The relationships between metric units of area are explained, with examples of how to calculate area.
CK-12 Foundation
Ck 12: Measurement: Metric Length Comparison
[Free Registration/Login may be required to access all resource tools.] Convert metric lengths to the same unit and compare.
Khan Academy
Khan Academy: Estimating Length (Mm, Cm, M, Km)
Practice estimating the length of real life objects using metric units. 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 (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.
Other
Science Made Simple: Area Conversions
This site, which is provided for by Science Made Simple, allows you to enter an amount into an area conversion calculator.