Penny Wars anew
Act One: Check out all of the pennies! What questions come to mind?
If you want the most money, which container should you pick?
What information do you need to answer this questio...
3-act tasks
Genres
Grade
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...
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 ...
Canstruction
Act One: Take a look at the pic. What questions come to mind?
Just before Thanksgiving there are competitions all over the world to celebrate cool design, tricky engineering, a...
Candy deals
Number Sense
Math and Food
Holidays and Annual Events
Ratio and Proportion
3-act tasks
Data and probability
We found big mixed bags of candy at really good prices ... we think.
Students are asked to decide which would be the best deal and the worst deal on candy. They can also create t...
Fish tale, go figure!
I have two fish in my aquarium. Betty is my white goldfish. She often stays really close to the front wall as she swims towards her food. Stripe, my clownfish, usually swims diagonally a...
Tiny vacuum with a huge reach
From the vacuum description and advertisement in the PDF, how long do you think its cord must be?
Thanks to Brian Shoemaker, Newton, MA teacher, for the idea and pictures.
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...
How many Smashburgers?
Egad! There must be a million ways to craft one of these burger! How many ways do you think that there are?
Act I - Study the menu image on the right and consider what sort o...
Drill bit fractions
Act One: Drill bits are measured by the diameter of the bit in inches. The drill bits below are ordered left to right in increasing size. The numerators in the fractions have been black...