Students consider the posted pricing of this bowling alley. What must they consider when choosing how to pay? What do you expect will be the best deal? How do you know?
Bowl by the hour or the game?
Tag: 8.EE
Death Valley, CA – How hot was it?
Take a guess at what the Fahrenheit reading on this sign must have been.
How did you make that guess?
Use the Fahrenheit conversion formula to calculate the missing number.
The new R-naught number
Now we’re plagued with the Delta variant of the coronavirus. What was the original virus’ R-naught number and what has it become?
Dunkin’s Go2s
Simultaneous equations with a Dunkin Donuts’ sandwich deal. Do you have enough information to solve it?
Electoral College vs. the popular vote
Click the map to create your own at 270toWin.com Let your students see how votes really count with our activity on the Electoral College. Can someone win the popular vote in the Presidential election and still not become President of…
Does the new “Most Stuf” Oreo have an exorbitant amount of stuf?
How much more “stufed” are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gross? Why are they filled with creme and not cream? Maybe Nabisco’s employees can’t spell. What do you think?
When will he use up his chocolate milk account?
Brian’s son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of his milk account. Brian put $20.00 into this account to…
Prince Harry and Meghan Markel’s Royal Wedding
This weekend is the wedding of Prince Harry and Meghan Markel. This will be quite an event and we can expect it to dominate the media. What have you heard about the event? What interests you? The mathematics in this…
What me? Irrational?
We’ve found that some students believe that the approximation that their calculators show for irrational numbers is exact. Here’s an activity that you can advertise as long multiplication review. After they study our calculations have a discussion just to clarify…
Want to earn $150,000? – Mersenne prime search
What’s a Mersenne prime? How hard could it be to find the next one? Why are there only 50 known Mersenne primes? What’s with $150,000? The activity: NewMersennePrime.pdf
Spiraling triples
Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares. For a finale they color their own spiraling triple. The activity: SpiralingTriples-activity.pdf
How did I graph this heart?
10 Million nematodes
Grubs are killing my grass. I don’t want to put poison into the ground. What can I do? There are tiny roundworms called beneficial nematodes. They can kill destructive soil pests in your garden and lawn. They are tiny worms that…
MAVEN arrives at Mars
Recently the MAVEN spacecraft (Mars Atmosphere and Volatile Evolution Mission) that was launched on November 18, 2013 reached Mars and attained an elongated orbit around the planet. How does someone figure out how to do that?
Voyager on the edge
The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager’s environments are changing. They are receiving more high-energy particles streaming