Geometry

Pascal’s Triangle coloring and Probability

Working with Pascal’s Triangle offers some interesting and varied mathematics.  We love to color and the end results are prettier than most math homeworks.  Here is the second of 3 activities using Pascal’s coloring. Pascal’s Triangle and Probability – This activity…

Fall equinox

Thursday, September 22nd of this year will be the Autumnal Equinox.  It is the time of year when the imaginary plane that might pass through the Earth’s Equator would also travel through the center of the Sun.  At this auspicious…

Big Aussie tomato

These Aussi tomatoes (the tomato on the left of all of the tomatoes) are huge.  How much do you guess one weighs? Can you figure it out?

Monster cake

Jodie Berman, a high school math teacher in Chicago, loves mathematics and loves to cook.  We’ve created an activity based on her Monster Cake (composed of everything that Cookie Monster loves) from her blog Binomial Baker.   Students find the surface…

Lighting the Olympic Torch

The 2016 Summer Olympic games won’t begin until on August 5th of this year but already the Olympic Torch has been lit and is traveling to the game’s site, Brazil, by 12,000 relay participants. Watch the lighting video and wonder…

4th of July

Fireworks on your calculator – Let your students experiment with their graphing calculators to create a nice fireworks display?  We’ve written a brief activity that questions students about manipulating parabolas, adjusting their calculator windows, and helping them celebrate whatever. Or consider using Desmos or Geogebra to…

One huge beach towel!

Act One: Check out this beach towel!  What do you wonder? What would you like to know? Miami artist, Misael Soto (pictured on the left below), created this giant art project to make a statement about people sharing territory at the beach.…

Flag Art

A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday.  In this activity students measure; create whole number ratios for the official U.S. flag; decide how our artistic flags will be different…

Earth Day and Passover

This is going to be another great week of events.  Friday, April 22nd, is both Earth Day and the beginning of Passover. The Blue Marble – Students compare maps with this famous photo and check to see which characteristics are maintained in each…

What’s my angle?

I’m going to help save the planet by adding solar panels to my roof! Should I tilt the panels on my roof to more accurately aim towards the Sun? If so, at what angle should I use? Should I be…

Giant chocolate bunnies

Topper Chocolate Easter Bunny from Dilettante Chocolates. What can you deduce about the bunnies (pictured in this activity) from the descriptions given … solid? hollow? cost per pound? cost per height? Anything else? The activity: GiantChocolateBunnies.pdf

Giant Snickers bar

Wow!  This snickers bar is huge! Act 1 – Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going to judge how much bigger this is…

Pythagorean Triples + coloring

Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns.  We’ve combined a little coloring with our Pythagorean Triple pattern investigation to let your students relax while they color, view the beauty, and…

How Many Pennies did Otha Save?

Otha Anders used picking up pennies as a way to remember to pray.  In this 3-act activity we try to estimate how much he actually collected and stored in 5 gallon water jugs.  Kick off the activity with the article with…