Khan Academy: Arithmetic and Pre Algebra: Conversion Between Metric Units

This video focuses on metric unit conversion. Sal introduces the necessary prefixes before launching into several mathematical examples. His easygoing manner and explanative annotations will undoubtedly help those who get a little stuck...

Conversion between metric units.

Step-by-step breakdown on how to convert centimeters into dekaliters of the metric system. This video also appears in the strand Arithmetic and Pre-Algebra: Ratios and Proportions. [5:16]

Students explore conversions between metric units in this Khan Academy video lesson.

A video explaining the meaning of exponents and exponential notation. Practice problems are available. [9:46]

This video introduces and explains the concept of ratios through a number of examples. Practice problems are available. [14:13]

This video shows how to plot fractions, negative numbers, decimals, and fractions on a number line. Practice problems are available. [1:58]

This video demonstrates how to find the base number when given a percentage and amount. Practice problems are available. [6:17]

This video shows how to find a unit rate in the context of a word problem. Practice problems are available. [2:31]

If one meter is 100 centimeters, how many square centimeters is equal to one square meter? Hint: the answer isn't 100! How many pupils make this mistake? A video lesson calculates the conversion factor of the common metric area units....