Curated OER
Percent Problem
In this percent learning exercise, student are presented with a sales sign and asked what was the percent of the first reduction in cost of the item. The steps used to solve the problem are given.
CK-12 Foundation
Ck 12: Arithmetic: Tip Estimation
[Free Registration/Login may be required to access all resource tools.] In this lesson students estimate 15% of a total price to estimate tips. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Arithmetic: Total Bill Including Tip and Tax
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate total bills including tips and taxes. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Better Lesson
Better Lesson: Solving Percent Problems (Day 1)
Solving percent problems using real world scenarios.
PBS
Pbs: The Lowdown: Understanding Inflation: A Stop Motion Explainer, Parts 1 and 2
Explore a real-life application of percentage-the math behind rates of inflation-in two animated videos about inflation from KQED. The first video provides an overview of inflation; the second explains the role of inflation in a healthy...
PBS
Pbs: The Lowdown: Rot and Rubbish: The Rancid Truth About How Much Food We Waste
Explore the math of worldwide food waste, with focus on percentage, in this infographic from KQED. In the accompanying classroom activity, students predict the percent of food in each of the various categories (e.g., grains, fruit, etc.)...
PBS
Pbs: The Lowdown: What You Need to Know About Immigration Reform
Interpret graphs showing changes over time in the percentage of foreign-born US residents and in annual deportations in this interactive from KQED. In the accompanying classroom activity, students use the interactive and look at how...