Bowl by the hour or the game?
What should you consider when choosing how to pay? Which do you expect will be the best deal? How do you know?
For Adventurer members we have an editable Word docx, an Excel sheet, ...
Data and probability
Genres
Grade
Death Valley, CA - How hot was it?
This picture may have been Photoshopped and not be a true representation.
We blacked out the Fahrenheit reading of this temperature sign at the Death Valley Visitor ...
The new R-naught number
There's a number used to quantify how fast a virus will spread, the R-naught number. As the coronavirus spread though out the world, we saw how the threat of infection was measured and und...
Really stuffed!
Wow, these cookies look really stuffed!
How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gr...
How much should the 40-oz size cost?
We found this chalkboard menu at a coffee shop recently. The shop had prices for the 12-oz (small), 16-oz (medium) and 20-ounce (large) cappuccinos. And they will also make you 40-...
Measuring sea level
What does this gizmo do?
We've given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be.
Then we've...
How Much is a Tweet Worth?
These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money. In this activity students study how ...
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...
It sure is cold out ... or is it?
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, mis...