Interactive
University of Illinois: Mste: The Binary Calculator Applet Interactive
University of Illinois

University of Illinois: Mste: The Binary Calculator Applet

For Students 9th - 10th
The binary number system is used to represent data in digital form. This site provides a binary calculator that will convert between binary, octal, decimal and hexadecimal, perform simple addition and subtraction, and do compliment and...
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Scholastic: Math Facts Interactive
Scholastic

Scholastic: Math Facts

For Students 3rd - 5th
This one page website from Scholastic offers two math facts games and a secret code idea all to help you remember your math facts.
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Pbs Learning Media: Pattern Recognition: Cyberchase Games Interactive
PBS

Pbs Learning Media: Pattern Recognition: Cyberchase Games

For Students K - 1st
Identify the patterns using addition, subtraction, and geometry to solve the puzzle and crack Hacker's code.
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