CK-12 Foundation
Prices Involving Sales Tax: Proper Tipping
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include...
CK-12 Foundation
Rotations in Radians: Clock Conundrum
Pupils use an interactive clock to set specific times. They apply math to an everyday task as they determine the measure of the angle formed by the hands in degrees and in radians.
Curated OER
Logarithms For Analog Circuits
In this electric circuit worksheet, students answer a series of 16 questions about logarithms and how they are used in understanding analog circuits. This worksheet is printable and the answers are viewed on-line.