Math Goodies

Students will create an original scatterplot on airline prices using miles and cost as their variables. Then they describe the relationship (positive) they see in the data, create a line of fit, and make predictions based on the data. You could easily adjust this to be more of a technology project by deleting out the amounts and requiring students to go online and find their own values.

This worksheet offers a word problem comparing two dating apps and their costs. Students then work through three ways of looking at the problem: with a table of values, by graphing, and by writing equations. This is a good way to introduce your unit on systems of equations. You can lead a discussion on the equilibrium point as well as which app is a better deal at different levels of use.