Showing 198 activities

Results

Two 12s or one 18?
Two 12s or one 18?

A little more pizza fun before Pi day ! Which should we order and why? Two 12-inch pizzas or one 18-inch pizza? Which will give you more pizza?...

Number Sense Geometry Grades 4–HS
Square or Round - which pizza should I buy?
Square or Round - which pizza should I buy?

Warm up for π day with this updated activity! Subway has great Flatizzas but Sbarro's pizzas are good too. If that slice from Sbarro is from an 18-inch...

Algebra Number Sense Grades 3–6
Chocolate heart-shaped raspberry cake
Chocolate heart-shaped raspberry cake

For Valentine's Day, bake a cake! Students calculate base area or volume of cakes made from 2 cake pan sizes and observe how the volume of the cake...

Geometry Math and Food Grades 5–HS
Sweetheart candies
Sweetheart candies

NECCO went bankrupt in 2018 and Sweetheart candies weren't the same after that. They are back now and made better (?) in Ohio instead of Boston. How many...

Number Sense Math and Food Grades 5–7
Throwing Up
Throwing Up

This year, Buffalo, New York, has had more than 100 inches of snow this winter. We imagine that the height of the tunnel to people's homes is getting...

Algebra Geometry Grades 6–7
Earth's perihelion with the Sun
Earth's perihelion with the Sun

On January 4th, 2023, Earth will be as close as it gets to the Sun during its orbit. Shouldn't that make this the warmest time of the year?...

Algebra Math and Science Grades 4–HS
How many feet of lights should I buy for my tree?
How many feet of lights should I buy for my tree?

Check out our Christmas Tree! We need to buy lights for the tree. Without calculating, guess how many feet of lights we will need. What information would help...

Algebra Number Sense Grades 5–HS
Winter Solstice 2023
Winter Solstice 2023

It is really dark out now. Why is that? Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt...

Number Sense Geometry Grades 5–HS
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
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