AQI - Air Quality Index
The AQI is a measurement of how much particulate matter, dangerous ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world's atmosphere at any one time and place.
This W...
Data and probability
Genres
Grade
How much did the tooth fairy give you when you lost a tooth?
Think back to when you were loosing your baby teeth. What was the going tooth rate in your house? Do you think that, on average, you were paid well or were you disappointed? &nbs...
It's tick time again ... and Lyme disease
With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease and to recognize its carrier, the deer tick.
Will this be a record ...
Does an NFL player's draft order mean a lot for the player?
Updated!
This Thursday, April 27th, college football players will be awaiting knowing their futures in the NFL.Every spring, roughly 250 college football players are drafted by NFL teams throug...
Shoprite's solar energy goals on the African continent
Shoprite is the largest supermarket chain in Africa. The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar potentia...
Man paid in 500 pounds of greasy pennies!
Algebra
Number Sense
Math and Social Studies
Current events
Ratio and Proportion
3-act tasks
Data and probability
A man from Georgia, Andreas Flaten, finally received his last paycheck from his disgruntled employer. He had been owed that last check for several months and was having difficult...
Peeps
How many Peeps are sold at Easter time each year?
Students estimate the number of Peeps sold each Easter season. They consider reasonability by making guesses they think might b...
At least the days are getting longer
Algebra
Number Sense
Math and Science
Holidays and Annual Events
Current events
Ratio and Proportion
Data and probability
What's your guess? How fast are the number of daylight hours changing each day? Are the changes dramatic or subtle?
Students make guesses; compute how l...
Lots of pieces
Brian has a lot of puzzles. His family must love working on them.
What do you wonder about his puzzles? What do you notice?
Make an educated guess, about how many pieces are in a...
Crazy basketball score
Wow! Look at that score!
There were some scoreboard malfunctions in this December 15, 2020, pre-season game.
What might have been the final score if this game progressed at this rate?
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