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Lots of Cranberries
Lots of Cranberries

 The harvest must be nearing completion now and growers are selling their product to make cranberry juice, jelly, sauce, and of course, fresh berries in time for...

Geometry Math and Food Grades 4–7
Total lunar eclipse
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...

Geometry Math and Science Grades 3–HS
Inflation and the cost of gasoline
Inflation and the cost of gasoline

In 1980, one gallon of gasoline costs $1.22. Today's prices are a lot higher. Is that because the price has gone up or because in 1980 you could...

Algebra Number Sense Grades 4–6
Do teams that spend a lot win a lot?
Do teams that spend a lot win a lot?

In this activity students compare team wins with team salaries in the four major North American sports ... the NBA, NFL, MLB and NHL. Students use data from...

Algebra Number Sense Grades 5–HS
Hurricanes, Typhoons, and Cyclones
Hurricanes, Typhoons, and Cyclones

Graphic from http://lagoon-inside.com [ This week Hurricane Fiona caused major damage to Puerto Rico, the Dominican Republic and the Caribbean, This is the season for increased cyclonic activity...

Algebra Number Sense Grades 6–HS
How much caffeine are you consuming?
How much caffeine are you consuming?

Did you know that there is an amount of caffeine that is too much for the growing brain of a teenager? We did some research and have asked...

Algebra Number Sense Grades 5–HS
How many gumballs are there?
How many gumballs are there?

Gumball Machine Problem from Brian Marks on Vimeo This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file...

Number Sense Geometry Grades 5–HS
What is Artemis 1 and when will it launch?
What is Artemis 1 and when will it launch?

Credit: (NASA/Joel Kowsky) 50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created...

Number Sense Geometry Grades 4–HS
Hexadecimal coloring
Hexadecimal coloring

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...

Number Sense Geometry Grades 4–HS
Mallie's latest Big Burger
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...

Algebra Number Sense Grades 4–6
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
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