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...
Number Sense
Genres
Grade
December 21, 2020 - Great conjunction
Right now, just after sunset, in the southwest sky, you can check out the planets of Jupiter and Saturn as they get closer and closer to each other. They are millions of miles apart but they app...
Holiday soda displays
The holidays are coming! We found these timely soda displays made up entirely of 12-pack of Coca-Cola products. What questions do you have?
Start out the activity by giving kids 30 ...
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...
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...
Ravensburger huge puzzle
This puzzle is gorgeous and HUGE!
Ravensburger says that if you spent 2 hours every day putting this puzzle together it would take you a year to finish.
What do you wonder?
Students ...
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...
Monster cake
Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook. We've created an activity based on her Monster Cake (composed ...
How much chocolate is left?
In this short activity, students reason and calculate what is left of these chocolate bars. The bars are the same size but are molded into different number of sections. Which one has...
Extreme weather 2020
Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe flooding, and high ...