Whole lot of cookies
Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar.
Do you see some math here?
Do you have an add...
Wow factor
Genres
Grade
Total lunar eclipse
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025.
Luckily, many of us will be able to see the eclipse pretty close to when we woul...
Willy Makeit or Betty Wont
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom sign! Wait ... it is in kilometers? How...
What is Artemis 1 and when will it launch?
Credit: (NASA/Joel Kowsky)
50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created reusable ...
How much pee is in this pool?
After chlorination, it has been hard to measure the quantity of pollutants in pool water. A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise....
How old are you?
We usually give our ages in years, but that isn't very precise is it? In this activity students find their age in days, hours and minutes. First students take two minutes to estimate the...
Mental math tricks - part 2
36 x 25 = 900 480 x 25 =12,000 924 x 2.5 = 2,310
Can you see any tricks for doing these calculations in your head?
An editable Word docx, solutions/hints, and a PowerPoi...
BIG Snickers bar
Act 1 - Big question = How many times bigger than a regular Snickers bar is this?
What info would you like to know?
How are you going to judge how much bigger this ...
$10,000 a week or $10 million all at once?
This activity is accessible to student elementary through high school with varying depth of study.
Would you rather have $10,000 a week or $10 million all at once?
What kinds of things do we nee...
Another year of Never Ending Pasta
On September 15, 2016, Olive Garden again offered a $100 pass for never-ending pasta, bread sticks, salad and coca cola soft drinks. The 21,000 patrons who quickly (in less than a minute) ...