What is your favorite sport? Wait, do I mean your favorite sport to play or your favorite sport to watch? Does it matter? Are your favorite to-watch sport and your favorite to-play sport the same sport or different? How does…
How Much Will Movie Tickets Cost in the Future? We’ve just updated this activity. In this investigation, Brian looks at the changes in movie ticket prices over the last 30 years. Using his scatter plot (or his data) students analyze rates…
In 1950, one gallon of gasoline costs $0.27. Today the prices are going down but are they as low as they were in 1950? Or could $0.27 buy more in 1950? In this activity we begin to understand the relative…
Brian has spent too much time analyzing his leaf raking. He has created an investigation that asks students to calculate how long it would take different numbers of rakers to finish cleaning his yard of leaves. Students see the inverse…
In this activity students do a little comparison shopping as they determine which size Goldfish product is the best deal. Students are introduced to the ratio table as a tool for determining equivalent ratios and comparing different rates. Students graph cost per ounce relationships and answer a…
First ask students to look at the table below. What do you notice? What does it make you wonder?
