Showing 280 activities

Results

Gauss and our star of stars
Gauss and our star of stars

How many stars are in this image and how did you count them? For Adventurer members we have a teaching suggestions and our solution sheet.

Number Sense Geometry Grades 2–6
How old are you?
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...

Algebra Number Sense Grades 3–5
Why isn't the World Cup happening now?
Why isn't the World Cup happening now?

The World Cup Finals is only played every 4 years but isn't it always in June? The World Cup Finals 2022 will be played in Qatar from November...

Algebra Number Sense Grades 5–HS
The odds of horse race betting
The odds of horse race betting

Rich Strike surprised everyone at the Kentucky Derby horse race in early May by moving from 18 th place at the half-way mark (out of 20 horses) to...

Algebra Number Sense Grades 4–HS
Shooting for Three
Shooting for Three

The NBA court has a 3-point line that separates how many points a player will earn for his team by making a basket from outside of that line....

Algebra Geometry Grades 6–HS
Banana Art
Banana Art "Comedian"

What do you think this activity might be about? What do you wonder? How much would you pay for this piece of art? How much profit is involved...

Algebra Number Sense Grades 5–HS
How big of a crepe can you make?
How big of a crepe can you make?

At Costco you can buy this huge tub of n utella . It contains nearly 7 pounds of chocolaty-hazelnut spread. We use n utella to make banana/n utella...

Algebra Number Sense Grades 4–7
Mental math tricks - part 2
Mental math tricks - part 2

36 x 25 = 900 480 x 25 =12,000 924 x 2.5 = 2,310 Can you see any tricks for doing these calculations in your head? An editable...

Algebra Number Sense Grades 4–HS
What is my best gasoline option?
What is my best gasoline option?

Jason Kibbe, 6-8 Gifted Support Teacher in Chambersburg, PA, sent us this timely investigation. Should I pay the membership fee and get BJ's gasoline? Should I just buy...

Algebra Number Sense Grades 5–HS
Shrinkflation
Shrinkflation

Shrinkflation! What do you think this word means? Inflation in the cost of living (2021) was estimated to be about a 7% rise. If "shrinkflation" is happening at...

Algebra Number Sense Grades 5–7
Mardi Gras, 2023
Mardi Gras, 2023

Updated for 2023! Tuesday, February 21, 2023, will be the day before Ash Wednesday and the start of the season of Lent. Mardi Gras is a last hoorah...

Algebra Number Sense Grades 4–6
The LUGE
The LUGE

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...

Algebra Number Sense Grades 5–HS