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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...
In this activity students decide how to divide 2 pizzas amongst 6 adults and 3 pizzas amongst 8 kids. Fractional pizza parts need to be drawn and considerations...
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?
Starting February 18 th a new Olympic sport will be televised ... Big Air Snowboarding. Some of your students may be officianados of snowboarding. Using this activity could...
The Super Bowl is over now and all of the ads have been seen. Let your students revisit and reflect on the interesting commercials with this scientific notation...
McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for...
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....
Brian son's pretty young but is he still going to whoop his dad? They were playing Monopoly Junior. Can you decide who will win? In this activity use...
How in the world does this clock conclude that there is a net gain in the United States of one person every 14 seconds? Have a little care...
Layla The dosage of Layla's medication was confusing to our friend Kim. How many days was she supposed to give Layla the meds? How many pills does she...
Picture from the Verge. Click to see the story. Note: This is a remake of our 2014 " How Much Does a Lego Cost " activity How much...
Brian came home from work to find that his son had his toy cars organized in a tight parking lot on our front porch. ? Below is a...