The Escalator Problem
In this escalator problem worksheet, students examine a real-life situation. They examine information, and use the distance formula to determine the number of steps on an escalator. This one-page worksheet contains 1 problems.
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Simplification of Radical Expressions
This light-hearted presentation starts with the basics of multiplying square roots and simplifying them with prime factorization. It then progresses through using these skills to normalize/rationalize rational expressions that contain...
11 mins 8th - 11th Math CCSS: Designed
Recognizing When Radical Expressions are Undefined
Many times budding algebrists are fine when plugging specific numbers into expressions, but less certain when the range of acceptable values is undetermined. This detailed presentation helps the class move from the point value to the...
6 mins 8th - 12th Math CCSS: Designed
The Consumer Price Index: A Measure of Inflation
Pupils examine inflation over the years and learn to calculate how it changes over time. In this money management instructional activity, students learn how price changes affect their purchasing power, how to come up with strategies for...
7th - 9th Social Studies & History