Tag: 4th

Square or Round – which pizza should I buy?

Warm up for π day with this updated activity!
If that slice from Sbarro is from an 18-inch pizza cut into eight pieces, which deal is better when comparing area of pizza and cost?  How does the area of a square pizza compare to the area of a circular pizza?

Valentine’s Day (11 activities)

Have a heart Canstruction – Students use reasoning and approximation to analyze the number of cans of food contained in this one giant heart.  Consider starting out the activity by showing students the picture of the heart and doing a see…

Beautiful mathematics

Color, measure, design, Sierpinski, spirals, Pythagorean triples, hexadecimal color codes, fractals, string design, modular math, Pascal’s triangle, Fibonacci, polyhedra, build an eclipse … Enjoy!

Before the holidays (16 activities)

We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!

Three Hanukkah activities

Three great activities to play and learn about Hanukkah. Soda displays, Hebrew calendar, and relating two recipes for their healthiness.

Whole lot of cookies

Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?

Buy, buy, buy and ship (8 ideas)

Here comes Black Friday, Small business Saturday, Cyber Monday and Giving Tuesday.  It’s a crazy time of year.  Use all of that shopping to educate your students about good deals and how shoppers can be fooled. Is this really 70%…

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 be able to see the eclipse pretty close to when we would…