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New bust of King Charles ... in chocolate
New bust of King Charles ... in chocolate

Saturday, May 6 th 2023 will be King Charles' coronation. It's been a long time since a new monarch was crowned in the United Kingdom. The artists at...

Algebra Number Sense Grades 4–HS
What is an atmospheric river(AR)?
What is an atmospheric river(AR)?

North America from space. Elements furnished by NASA - https://www.noaa.gov/stories/what-are-atmospheric-rivers How are they ranked? Students become familiar with this weather phenomena and learn how the different ARs are...

Algebra Math and Science Grades 4–HS
March Equinox - big deal? ... and 5 more Spring activities
March Equinox - big deal? ... and 5 more Spring activities

What's with the March Equinox? Does it really affect our lives? Is it just some astronomical occurrence? Students calculate the daylight hours at the March Equinox by time...

Algebra Math and Science Grades 2–6
How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)
How hard is it to find a 4 leaf clover? (3 Saint Patrick's Day activities)

Shamrocks in Ireland are actually 3-leafed white clover, trifolium repens . If you are lucky , you can sometimes find a four-leafed clover. How rare is finding a...

Algebra Number Sense Grades 2–HS
Daylight savings time
Daylight savings time

Updated and improved! Is Daylight savings time helpful? How does it make you feel? "Spring forward, fall back" Early Sunday morning, March 12 th at 2 am ,...

Algebra Number Sense Grades 4–HS
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