Science Struck
Science Struck: How to Convert Octal to Decimal
Explains what the four different types of number systems are and what they are used for. Presents the formula used to convert octal numbers into decimals and models how to apply it in two example problems.
San Diego State University
Lesson Plan: Place Value Card Game
Using a deck of cards this lesson plan has students arrange the cards they draw to make the largest (or smallest) number possible. This activity helps demonstrate the positional property of the numeration system we use.
AAA Math
Aaa Math: Place Value Expanded Form
You'll find an explanation of place value in expanded form in this lesson. There is also an interesting game that helps to show place value.
TOPS Learning Systems
Top Science: Decimal Bounce [Pdf]
An activity where students learn the meanings of metric prefixes, and how to use them with decimal numbers and with different units of measurement.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Binary Numbers
Find a quick, concise explanation of Binary Numbers. A table lists the first thirty-two binary (base two) numbers with their base ten equivalents.
Alabama Learning Exchange
Alex: Telling Time to the Hour
This lesson helps children make a connection between the digital and analog clock. In general, the number system is based on units of ten which can sometimes make it difficult for children to realize that time is based on cycles of...
Concord Consortium
The Concord Consortium: Molecular Workbench Zoom It
See examples of scales based on a range from ten to the twelfth meters to ten to the negative twelth meters. Examples range from parts of our solar system to the nucleus of an atom.