Data remaining ... tricky
I checked my data usage for the month. What do you notice and wonder (see the activity)?
What could my data plan be?
How much have I used?
How much will...
Algebra
Genres
Grade
Is there much of a difference between 99.9% or 99.999%?
Use our present need for cleanliness to engage your students.
Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs?
In this activity, we'v...
Which gasoline is the cheapest?
When Brian traveled to Crete last summer with his wife and son on an Archaeological dig, buying gasoline for his small rental car got him wondering again.
He was pretty g...
Expensive Super Bowl ads
Updated again for 2022!
The teams are set. Don't you wonder what a Super Bowl ad will cost this year? Will the price for 30 seconds be more? stay the same? or drop? 2013 Doritos "Go...
How steep is this treadmill?
Photo from the Onion, America's Finest New Source. Women on Gym Treadmill Cranks Incline up to 90 Degrees
This is a very short activity designed to give students a more visual underst...
The Forever Roll
That's a big roll of toilet paper! Why would anyone need such a big roll of toilet paper? How does it compare to Charmin's other toilet paper products? If this roll lasts for...
How many Smashburgers?
Egad! There must be a million ways to craft one of these burger! How many ways do you think that there are?
Act I - Study the menu image on the right and consider what sort o...
Eliud Kipchoge runs marathon in 1:59:40.2
Eliud Kipchoge breaks 2 hour marathon barrier.
On October 12th 2019, Eliud Kipchoge ran a marathon in Vienna in under 2 hours. He has now broken a barrier of what humans are c...
How much should the 40-oz size cost?
We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos. And they will also make you 40-...
Largest coffee, new world record
The world record for the largest cup of coffee was recently set (see picture above). In this activity students explore scale, similar figures, volume and measurement as they estimate the...