+
Handout
The Math League

The Math League: Decimals, Whole Numbers and Exponents

For Students 4th - 8th
This tutorial has definitions and examples of decimals, whole numbers, and exponents. In addition, a variety of topics are covered, such as comparing, multiplying and subtracting.
+
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: The Meaning of Decimals

For Students 3rd - 5th Standards
This website from The Math Page explains and defines decimals.
+
Activity
TOPS Learning Systems

Top Science: Decimal Bounce [Pdf]

For Students 5th - 7th Standards
An activity where students learn the meanings of metric prefixes, and how to use them with decimal numbers and with different units of measurement.