Will I pay less if I buy more?
image designed by macrovector / Freepik
This activity can be used in a large range of grade levels. Your class can work on percents, ...
Ratio and Proportion
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Leslie's Yummy Pumpkin Pie
Every year more and more people come to our house on Thanksgiving morning for my (Leslie's)famous pumpkin pie and a hike in the nearby woods. This year 23 people have already accepted. How man...
Justin Verlander's lunch bill
In the 2017 World Series, the Houston Astros beat the Los Angeles Dodgers and went on to play (and lose to) the Boston Red Sox in the finals. Evidently the population of Los Angeles held a grudge wi...
Jock tax 2023
Great professional athletes make a lot of money. Did you know that professional athletes have to pay an amazing amount of federal, state, and sometimes even city tax?
Grant Williams, a Boston Cel...
March Madness - Does seeding really matter?
March Madness, the big 68 team college basketball tournament, will now take over our TV viewing during the weekends of March. School and office friends are filling out brackets. ...
Big bucks 2023
Updated!
When soccer great, Lionel Messi played for Barcelona, he had one of the highest paid contracts of any athlete in the world. He had a $674 million dollar 4-year contract. Canelo Álv...
Earth's perihelion with the Sun
Today, Wednesday, January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year?
In this activity students become fam...
Willy Makeit or Betty Wont
I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while. Finally! I see a bathroom sign! Wait ... it is in kilometers? How...
Mallie's latest Big Burger
It's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activity students explore the ratio of the various ingredients in the world's largest burger (pic...
How old are you?
We usually give our ages in years, but that isn't very precise is it? In this activity students find their age in days, hours and minutes. First students take two minutes to estimate the...