Activities about ratio
Can you see the many spirals in this design? Students calculate the size of each increasing round of squares and consider what sort of spirals these must be....
Revised! We're watching another Stanley Cup playoff now. Will there be any really long games during the playoffs? In 2013, a Stanley Cup playoff match between the Bruins...
This activity is being updated =). Could this possibly be true? What is reasonable? How do you check? Do you believe everything that you hear or read? Do...
You can't run for President now, but heck, 2036 is right around the corner. Being President of the United States will be quite an accomplishment and a ton...
TJ Watt was fined for roughing the passer. Check out the tweet from Darren Rovell and engage your students in a familiar context for a classic percent problem...
Let your students simply enjoy coloring our designs or artistically play with the whole creation of Φ designs. Simply coloring our Fibonacci patterns might allow students to ponder...
The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai'i. This volcano is on the tip of the southern most Hawaiian Island....
Recently, pilots of a Boeing 787 testing a new set of Rolls Royce engines, fulfilled their FAA required long-distance endurance requirement in an unusual way. The Boeing pilots...
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...
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...