Curated OER
Al Mercado
Middle schoolers investigate the concept of a market. They produce a dramatization to simulate the daily activities found inside. Students ask questions about the price, location, and use of items. The acting strengthens communication...
Curated OER
BY THE POUND
The student will estimate the weight and cost of produce and calculate the actual price.Discuss the difference between weight and volume. Have students discuss whether it is more economical to buy produce by the pound, by the piece or...
Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator: Discount Savings
This lesson is intended to help students develop an understanding of sale information to compute discounts, discount rates, original prices and sale prices.
CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Sales Tax Grade 8
[Free Registration/Login may be required to access all resource tools.] Find retail prices given wholesale prices, markups and sales tax.
CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Sales Tax Grade 6
[Free Registration/Login may be required to access all resource tools.] Find the percentage of a total price in order to determine an amount of sales tax.
CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Sales Tax
[Free Registration/Login may be required to access all resource tools.] Have you ever had to calculate a tip in a restaurant? Figure out the amount with taxes and estimate appropriate tips.
CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Discounts Grade 8
[Free Registration/Login may be required to access all resource tools.] Find discount prices given sales involving percents.
Education Development Center
Tune in to Learning: Multiple Percents
Have you ever seen an item that you wanted on sale for 15% of its original price? Have you tried to figure out what the sale price would be? Using this interactive lesson from T.V. 411, you can learn to calculate discounts with percentages.
PBS
Pbs: The Lowdown: Percents Combined: Proportional Relationships With Multistep Ratio and Percent Problems
Learn how to calculate sale price when combining two "percent-off" discounts in this video from KQED. In the accompanying classroom activity, students develop and share a variety of strategies, including modeling with a 10 x 10 grid to...
Illustrative Mathematics
Illustrative Mathematics: 6.rp Kendall's Vase Tax
Students use percentage and addition to answer this real-world math performance task: Kendall bought a vase that was priced at $450. In addition, she had to pay 3% sales tax. How much did she pay for the vase?
Council for Economic Education
Econ Ed Link: Supply and Demand, Lessons From Toy Fads.
The concepts of supply and demand and related terms are taught through stories about the toy fads of Hula Hoops and Silly Bandz. In 1958, Wham-O, Inc. began marketing the Hula Hoop in the United States and sales of the Hula Hoops...
Apple
Apple: I Pod
At Apple Computer's iPod site, find out about the latest iPod models, pricing, accessories and news. This site also contains links to iPod Tech Support as well as to iTunes and the iTunes Podcast Directory.
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...
BBC
Bbc: Emotion Detecting Tech Should Be Restricted by Law Ai Now
A leading research centre has called for new laws to restrict the use of emotion-detecting tech. The AI Now Institute says the field is "built on markedly shaky foundations". Despite this, systems are on sale to help vet job seekers,...
Federal Trade Commission
Federal Trade Commission: Consumer: Saving Money When You Shop
Learn how to save money when you shop. Tips for using coupons and how to find a good deal.