Doubling your money
My friend and I were arguing about how long it would take me to double my investment amounts. How will your students figure this out? Are there any tricks? Explore investing ...
Data and probability
Genres
Grade
Earth Day (April 22) Actions for Our Planet
Algebra
Number Sense
Geometry
Math and Science
Math and Social Studies
Holidays and Annual Events
Current events
Ratio and Proportion
3-act tasks
Data and probability
<a href="https://www.freepik.com/free-photo/watercolor-textured-blue-background_15559582.htm#fromView=search&page=1&position=22&uuid=5c957d6a-8767-4ae9-9522-cdefcf4825b7">Image by ra...
Earth's perihelion with the Sun
Today, Wednesday, January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year?
In this activity students become fam...
Can I get your order right?
You can order a ton of combos at Chipotle. They advertise that there are 65,000 ways to order their meals. Do you think that is correct?
Here's an article on the permutatio...
What's with the plovers?
Cute little birds. Piping plovers are nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservatio...
Cost of light bulbs - updated!
Algebra
Number Sense
Math and Science
Math and Social Studies
Ratio and Proportion
Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized.
Let your students "do the math" and realiz...
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