National Council of Teachers of Mathematics
The Math Forum: Intro to Measurement for Primary Students
This site from the Math Forum is a great introduction to measurement for primary students. Each measurement activity has four components: interactive, manipulative-based project; technology; paper/pencil practice; literature connection.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide Unit Conversions & Problem Solving With Metric Measurement
A guide to support parents as they work with their students in unit conversions and problem solving with metric measurement.
University of North Carolina
A Dictionary of Units of Measurement
This site contains an extensive list of various units of measurement known internationally and across several disciplines. Unit symbols are also included.
Other
Federal Highway Administration: Si (Modern Metric) Conversion Sheet
Very complete chart of conversion factors for English to SI (metric) unit measurements and SI (metric) to English unit measurements. Includes length, area, volume, mass, temperature, illumination, and force & mass (stress).
TeachEngineering
Teach Engineering: Measure Twice, Cut Once
Young scholars learn the metric units engineers use to measure mass, distance (or length) and volume. They make estimations using these units and compare their guesses with actual values. To introduce the concepts, the teacher needs...
CK-12 Foundation
Ck 12: Measurement: Conversions in Metric Units
[Free Registration/Login may be required to access all resource tools.] Convert among metric units of measure using powers of 10.
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.
California State University
Csudh: Chemistry: Converting Distance
Convert distance measures between the English (inches, feet and yards) and metric (mm,cm,meters,km). It is intended to help with both your math skill and your understanding of the metric system.
Better Lesson
Better Lesson: Adding and Subtracting With Lengths
Second graders will use their addition and subtraction strategies to measure and compare distances, solving using centimeter units.
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.
Math Is Fun
Math Is Fun: Measuring Metrically With Maggie
Metric units for volume, mass, length and temperature are explained to a cute little alien called Maggie. There are lots of real life examples for comparison that younger children will understand.
Other
World Wide Metric Calculator
Do you need a quick conversion from metric units to imperial units or just the reverse? Use this resource for conversions of length, weight, pressure, and volume.
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.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Metrics in the Home and in the Store
In this lesson plan site, young scholars will compare SI unit (metric) measurements of common household items and their English equivalents.
ClassFlow
Class Flow: Length & Measuring With Fractions
[Free Registration/Login Required] This flipchart involves investigating various lengths in Metric and US Customary. Students will work on finding lengths to the sixteenths. The flipchart can be used with Everyday Math, Unit 10.
The Math League
The Math League: Decimals in Measurement
This site gives information on the metric system, as well as abbreviations for metric conversion.
Other
Ask Numbers: Measurement Conversion Calculators and Charts
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...
PBS
Pbs Mathline: It Takes Ten Lesson Plan [Pdf]
Students rotate from station to station completing activities involving measurement weight, length, and volume using metric measurement.
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
Math2
Math2.org: Weights and Measures
This resource provides information on weights and measures, including unit conversion tables.
National Council of Teachers of Mathematics
The Math Forum: Measurement: Metric Conversions
This lesson plan has a game to help students convert to various linear metric units and learn their abbreviations.
Khan Academy
Khan Academy: Metric Conversions Word Problems
Practice metric 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, watch a...
SRI International
Performance Assessment Links in Science: Tree Study (Lesson)
For this fourth grade performance task, students measure tree leaves using metric units and make predictions about the length of other leaves on the tree. They also suggest other good questions they might ask about trees in the school...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Metric Olympic Games (Intermediate)
This activity can be used to introduce the metric system to students.