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Do I have enough wrapping paper?
Do I have enough wrapping paper?

In this problem based activity students first guess and then try to calculate whether they will have enough paper to wrap this present without taping pieces of wrapping...

Algebra Number Sense Grades 5–HS
Whole lot of cookies
Whole lot of cookies

This activity has been updated -- See the updated activity HERE

Algebra Number Sense Grades 2–4
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
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
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
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
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
What time should I wake up?
What time should I wake up?

I'm going to surprise my mom with breakfast in bed for Mother's Day. She wakes up pretty early. When do I have to wake up to pull this...

Number Sense Math and Food Grades 2–5
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