Learners practice decoding messages given the key. They continue to practice solving messages without a key. They must determine the best way to view the message. They examine secret messages during World War II.

Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...

High schoolers calculate commission for a stock transaction through a broker using the relationship between percentages and decimals. They decide which stocks are preferable based on the price to earnings ratios listed on the stock...

Students compare different aspects of investing money from traditional savings accounts to money market accounts. They research investment accounts at local banks and compare them.