Is 2024 a special number?
Image by dashu83 on Freepik
Students are introduced to some esoteric number categories as they check out the various descriptors of this year's date. What's a Harshad number? What's a...
Algebra
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Grade
Will I have enough stuff?
Thursday, Aug 10th, is National S'mores Day!
In my pantry I have one new box of Graham crackers, one bag of 6 full-sized Hershey bars, and one bag of marshmallows. Friends are meeting me at the b...
Memorial Day 2023
This Monday, Americans will celebrate Memorial Day. Who are we honoring? How did the holiday come about? Isn't Memorial Day usually on May 30th?
Students...
What is an atmospheric river(AR)?
North America from space. Elements furnished by NASA - https://www.noaa.gov/stories/what-are-atmospheric-rivers
How are they ranked? Students become familiar with this weather phenomena and ...
March Equinox - big deal? ... and 5 more Spring activities
What's with the March Equinox? Does it really affect our lives? Is it just some astronomical occurrence? Students calculate the daylight hours at the March Equi...
Is 2023 a special number?
1998 was a Harshad year.
What do you notice about the number 2023?
What is a Harshad number?
Does 2023 meet the criteria?
Big deal? Rare? Often?
Wind chill
The weather forecasters tell us what the wind chill temperature will feel like. How do they figure out that number? In this activity students use the National Weather System chart ...
The Algebra of Magic Squares
Have you seen magic squares before?
How could a teacher use these puzzles to help students with different number skills?
How few blank cells could you leave?
Are there any special cel...
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...
Happy Friday the 13th!
Don't worry, 13 is a Happy number! Students learn a new function and test whether a number is Happy or Sad.