Mixing colors with food dye
It's time to dye eggs!
What do you wonder about these recipes (See the activity) for coloring?
What would happen if I used the wrong recipe (i.e. cake mix instead of egg dying) for co...
Number Sense
Genres
Grade
Data remaining ... tricky
I checked my data usage for the month. What do you notice and wonder (see the activity)?
What could my data plan be?
How much have I used?
How much will...
Which gasoline is the cheapest?
When Brian traveled to Crete last summer with his wife and son on an Archaeological dig, buying gasoline for his small rental car got him wondering again.
He was pretty g...
How many delegates does each state get to send to the Democratic Convention?
Texas gets to send a lot more delegates to the July National Democratic Convention than New Hampshire does. How do they figure out what each state's fair number of delegates ...
K-Pop and BTS, how much can they earn from Youtube and Spotify?
Bring a little K-pop music to your class with this activity.
Jason Kibbe, a terrific middle school math teacher in Chambersburg, PA, sent us an activity that he created for one of his stude...
It's Girl Scout cookie time again!
Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales. Use this old graphic (where a box...
The Forever Roll
That's a big roll of toilet paper! Why would anyone need such a big roll of toilet paper? How does it compare to Charmin's other toilet paper products? If this roll lasts for...
How should I cook my turkey?
Should I oven bake it, deep fry it or barbecue and smoke it? When do I have to wake up to begin preparations? How long will the cooking take? How much will it cost? How ma...
When will he use up his chocolate milk account?
Brian's son buys chocolate milk every few days to go with his lunch. His school creates an invoice that they send to parents every month that show the status of his milk account. Brian p...
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...