How much is a trillion dollars?
U.S. Congress is now debating how much money to approve on spending for infrastructure. The numbers are between 1 and 3 trillion dollars. I can't even fathom that amount of money. Is the...
Number Sense
Genres
Grade
What is Juneteenth?
You can appreciate why this is such a great celebration when you look at the stages and some of the events and dates of America moving towards freedom from slavery.
In this activ...
Payday loans - What are they?
When you need a loan, and you're desperate for help, is a Payday loan a good idea? What is a PayDay loan? How is it different from a bank loan or a credit card loan?
Students learn ...
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...
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...
How should I spend my rewards?
There's a new way to earn rewards at many grocery stores. For every dollar that you spend, you accumulate points. Then there are special rewards where you earn an extra 500 points for ...
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?
...
How much snow is that?
Start this activity with: What do you notice? What do you wonder?
How many inches of snow produced that pile? How much snow in volume is on top of the car? H...
The new largest Lego set ever - The Roman Colosseum
Note: This is a remake of our 2014 and 2017 activities "How Much Does a Lego Cost?".
How much could the Roman Colossem Lego set cost ?
Student first make a guess and then think about what ...
Not enough mashed potatoes
Using his famous mashed potato recipe, Brian has asked students
to change decimals to fractions,
to calculate ingredient measures for various-si...