Home/Mathematics/Financial Literacy — Best Buys
Public · Sign in
MT
Grade 8 · Financial Literacy

Financial Literacy — Best Buys

Which is the better deal — 750 g for 4.50or1.2kgfor4.50 or 1.2 kg for 6.80? Best-buy problems turn proportional reasoning into a daily-life skill. Students compute unit prices, weigh coupons and bulk discounts, and discover that the larger package is not always cheaper per gram.

LESSON VIDEO
Lesson video
A short walkthrough to play in class or assign for flipped/at-home viewing.
WHAT STUDENTS WILL LEARN
Calculate unit prices and unit rates from prices and quantities
Compare options to determine the best buy
Use coupons, bulk pricing, and proportions to compare value
Justify a purchasing decision with mathematical reasoning