How Many Pennies did Otha Save?
Otha Anders used picking up pennies as a way to remember to pray. In this 3-act activity we try to estimate how much he actually collected and stored in 5 gallon water jugs. This ...
Number Sense
Genres
Grade
What's your favorite sport?
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 sam...
How Many Donuts is That?
Act One: Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that? What information would be useful?
...
Chili Con Queso
Act 1: Take a look at the promo at Moe's. What is the first question that comes to mind?
How much does a 42-gallon jug of Chili Con Queso cost? How many cups or bowls of Chili Co...
Kilauea's lava flow
[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption] The v...
How large a TV should I get?
Whether you are in middle school or high school, someday you are going to be moving out and you might need to select the right size HDTV for your living space. I found this guide th...
Saffron and paella
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I've decided to start a business of growing saffron and becoming immen...
The growth of Godzilla
Image from Kris Holt: http://www.policymic.com/articles/76357/the-scary-way-godzilla-has-evolved-through-the-years-in-one-chart
The new Godzilla movie is out at theaters. ...
An ounce of cola
Which is more expensive; gasoline? milk? or cola? Students calculate the per ounce cost of each of these liquids in a story about a man doing errands. After finding the per ounce price, ...
Cost of light bulbs
This activity has been updated (2026). See the new activity here:https://www.yummymath.com/post/light-bulb-cost-comparison/ There's a lot of misinformation out there about the cost to consu...