Holiday shipping
Now that the shopping season has begun, it's time to get the packages to your homes. Two big companies take care of a lot of that shipping. How do they manage that?
The mechanis...
Data and probability
Genres
Grade
Is there much of a difference between 99.9% or 99.999%?
Use our present need for cleanliness to engage your students.
Does it really matter whether you kill 99.9% of the bacteria or 99.999% of the germs?
In this activity, we'v...
Operation Gratitude – Halloween candy buy back
Algebra
Number Sense
Math and Social Studies
Math and Food
Holidays and Annual Events
Ratio and Proportion
Data and probability
This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a goo...
Is this promo a good deal?
McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered a...
Water saving toilets
How much water is used? How much water could be saved?
For Adventurer members we have an editable Word docx and solutions with added world-wide information.
How Many Pennies did Otha Save?
Otha Anders used picking up pennies as a way to remember to pray. In this 3-act activity we try to estimate how much he actually collected and stored in 5 gallon water jugs. This ...
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...
Cruising
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their need...
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