How much water should you drink? How much pee is in this pool? How has the presence of lyme disease changed? Which is the best drink deal at the fair?
The 8th billion baby
How fast is the World’s population growing? Will the world’s population size increase indefinitely? Are all countries’ populations increasing at the same rate? What are some of the factors affecting this growth?
New bust of King Charles … in chocolate
Saturday, King Charles will be crowned as the King of the United Kingdom. Artists at the Mars Wrigley company made a gorgeous chocolate bust of the King wearing his military uniform. We wondered how much that big piece of chocolate cost to make.
Earth Day actions for our planet
We have 16 activities that you could use for Earth Day! Saturday, April 22nd is Earth Day. Help your students become activists for our planet? We have 16 activities that support recycling, conserving resources, awareness of climate change and protecting our planet.…
Tax time, Patriots Day, Boston Marathon
The middle of April is a busy and interesting time. We have 6 timely activities to try in your classes.
Time to make your prom clothes … with Duck Tape
Admire the possibilities of Duck Tape attire and calculate the cost of some of the outfits in time and tape.
Spring and Easter ideas – 6 activities
Dyeing eggs with food coloring – Students use the chart on the back of a food dye package to compare the strangely different recipes listed for coloring a cake, icing, or dyeing eggs. They look for and create equivalent ratios…
Daylight savings time
Will you wake up and go to sleep earlier or later on that Sunday?
What kind of chart or picture could you draw to help you compare before and after daylight savings time?
Will your Sunday seem longer or shorter?
Is daylight savings time still useful?
Iditarod 2023 – The Last Great Race on Earth
The Iditarod Dogsled Race will begin this year on Saturday, March 4th in Anchorage, Alaska. It is often called The Last Great Race on Earth because it is so long and grueling. Students do some rate, distance, and hardship comparisons to decide if…
Is 2023 a special number?
What do you notice about 2023?
What is a Harshad number?
Does 2023 meet the criteria?
Big deal? Rare? Often?
Before the holidays (16 activities)
We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!
How many feet of lights should I buy for my tree?
In this 3-act task, your class guesses how many feet of lights you will need to light your tree. Then gather data from groups and find means or medians. Then actually calculate an estimate given tree dimensions.
World Cup 2022 – Qatar (2 activities)
The World Cup of Soccer begins November 20, 2022. We have two different activities involving the logic of setting up a fair draw and the number of matches that each team may have to play.
Total lunar eclipse
On the morning of November 8, 2022, many of us will be able to see the last full lunar eclipse until March 2025. Luckily, many of us will be able to see the eclipse pretty close to when we would…
Giant Pumpkins 2022
Sts use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giant pumpkins.