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Apples4theteacher.com [ Kids ] - Measure the teddy bears game.
Conversion Calculator [ Teens/Mature Teens ] - A simple calculator to convert between various units.
Convert-me.Com [ Kids/Teens/Mature Teens ] - Interactive calculators for many common and exotic measurement systems, including metric, Ancient Greek, Roman, and old Russian.
CyberSleuth: Units of Measurements Worksheets [ Kids ] - Twenty-three printable worksheets for elementary school-aged children. Focuses primarily on conversion of units of length.
A Dictionary of Units [ Teens/Mature Teens ] - A summary of most of the units of measurement to be found in use around the world today (and a few of historical interest), together with the appropriate conversion factors needed to change them into a standard unit.
FAQ: How do I read a ruler? [ Kids/Teens ] - Instructions on how to use metric and English rulers.
Funbrain.com [ Kids/Teens ] - Measurement game - Game which has several levels of difficulty for both English and metric rulers.
GCSE Maths: Measurement [ Kids/Teens ] - Includes length, area and volume and the use of prefixes in units. With worked examples and animations.
How Many? [ Teens/Mature Teens ] - A dictionary of units of measurement: explanations of the metric system, System Internationale (SI), English customary system, and other modern measuring systems. Plus extensive links to other measurement-related Internet resources.
How To Read A Ruler [ Teens ] - Article describes all of those little lines and markings.
Jack's Math [ Teens/Mature Teens ] - Provides several methods for determining length, width and height.
Learning About Time [ Kids ] - History and description of clocks with lessons on telling the time. Includes an interactive tutor. [Requires Java]
Measurement Worksheets [ Kids ] - Features printable worksheets. Includes English and Metric System pages.
Measuring Angle and Distance with your Thumb [ Teens/Mature Teens ] - How to use body parts to estimate measurements.
Metric 4 US [ Teens/Mature Teens ] - A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.
Metric Conversion [ Teens ] - Java metric conversion calculator for length, weight, pressure, and volume.
Metric Conversion Chart [ Teens/Mature Teens ] - Online metric conversion calculator includes metric, US customary and Imperial unit conversions.
Metric Conversion Tables [ Teens/Mature Teens ] - Conversion factors and online calculators for metric and imperial units.
Metric Measures [ Kids/Teens ] - Offers equivalents for common measurements, plus how metric units are used in sports and the kitchen.
The Modern Metric System [ Teens/Mature Teens ] - Dictionary of metric units explaining the principles and history of the system.
Online Units Conversion [ Teens/Mature Teens ] - Gives equal values for areas, volumes, circle measurements, computer storage, currencies, distance and length, energy, fuel consumption, power, pressure, speed, temperature, time, torque, and weights.
Origins of Measurements [ Kids/Teens ] - Compares units of ancient times with modern ones.
Percent Change Calculator [ Kids/Teens/Mature Teens ] - Measures the difference in values using percentages. Includes bar graphs with the answer.
The Ruler Game [ Kids/Teens ] - Timed game will test how quick you can read a ruler.
Temperature Converter Fahrenheit Celsius (Centigrade) [ Teens/Mature Teens ] - A temperature converter for Celsius and Fahrenheit.
Unit Conversions [ Teens/Mature Teens ] - Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions.