Take students on a brief shopping trip to four stores to practice different skills relating to money.
Estimating sums/totals
Calculating sums/totals (with or without a calculator)
Estimating change
Calculating change (with or without a calculator)
Making/Showing change
Problem-Solving using Guess & Check/Estimation

A "blank" shopping slide appears at the end of each "store" for you make up your own questions. An answer slide is provided.

This was designed to go along with Everyday Math, but the concepts apply across all Math instructional methods.

This took my class 2 45-minute periods as we stopped to discuss many different combinations, strategies, "closeness" of estimate, etc.