See also:

• Kids and Teens: School Time: Math  (326)

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.

Convertworld - [ Teens/Mature Teens ] - Interactive multi-lingual conversion calculator for a wide variety of units.

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.