Cuemath
Cuemath: Discounts
A comprehensive guide for learning all about discounts with definitions, how to calculate a discount, solved examples, and practice questions.
PBS
Pbs: The Lowdown: Percents Defined
Learn how to calculate percent as a rate per 100 in this video from KQED. In the accompanying classroom activity, students model percent with a 10 x 10 grid. After watching the video, they create a design or picture on a 10 x 10 grid,...