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?
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.
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…
Throwing Up 2023
It’s hard to shovel new snow when you have to get your shovel-full over previous snow banks. You have to throw the snow practically straight up. Predict the arc of your shovel throw with a parabola and refine your formula by manipulating the parabolic factors.
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!
Buy, buy, buy and ship (8 ideas)
Here comes Black Friday, Small business Saturday, Cyber Monday and Giving Tuesday. It’s a crazy time of year. Use all of that shopping to educate your students about good deals and how shoppers can be fooled. Is this really 70%…
Will sending you back to school this year cost a fortune?
In this activity students decide what equipment and supplies are necessary, estimate how much that will all cost, confer with classmates to refine their lists, and then research to find out more accurately how much it will probably cost to send them back to school. This activity could be used for students in upper elementary school all the way to high school. It offers an opportunity for kids to estimate, research, reason, calculate and communicate with each other.
Probably most of us have heard of and even used hexadecimal color codes. Don’t you wonder why their number descriptions really make sense? In this activity we first ask students to color in our Golden Spiral by giving them the…
The James Webb space telescope and the Hubble
There have been outstanding images coming to NASA from the James Webb Telescope. Take some time to compare the Webb to the Hubble telescope that has been sending images to Earth since 1990. Look at what is different and what…
Refugees from Ukraine
Civilian Ukrainians are fleeing the war zone in order to remain safe and find food and housing. How do these numbers compare with other tragic evacuations. While interpreting graphics and working with these huge numbers, bring your student’s opinions and concerns into your math class.
Inflation in the cost of living, last year (2021) was estimated to be about a 7%. If “shrinkflation” is happening at the same time as general inflation, is the unit cost for those shrunk items actually raised even more than 7%? Let’s find out.
Crazy Twos (Two to the…s)
Let your students practice manipulating exponents. Multiplication, division, roots, powers of powers. This powerful activity asks them to do some impressive mathematics … in their heads.
This is one of the fastest Olympic sports. Lugers, on tiny sleds, zoom down a solid ice track at fantastic speeds, hold their bodies in an aerodynamically optimized position while fighting extreme G-force, and use only a helmet as their…
The Winter Olympics begins this week in Beijing.
Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic. What can you tell and what would you like to know?