Author: Leslie

Pick-a-brick wall at the Lego store

There are walls at the Lego stores that are filled with individual Lego parts.  You can fill a bucket and pick out exactly what you need. Use this PowerPoint activity to get your students conferring with each other, making guesses,…

Op ed

November 25, 2016 I’m a retired classroom mathematics teacher but I have the luxury of teaching part-time in a local high school, Newton South, MA. When I enter the building there is often a student entering just before me. I…

Shrinking Toblerone

They changed it.  That is so not fair … or is it? You can check out a video news story on the delicious shrinking Toblerone bar here. Two sizes of Toblerone bars are now configured differently.  How much did they…

4 Election activities

Is the system of having an Electoral College unfair? – Students consider how districting can effect the Electoral college vote.  6.RP, 7.RP How much will you make when you are President? – The President’s salary does not change from year to year.…

Cubs bury curse !

Wow!  It’s been a long time coming.  The Chicago Cubs just won the World Series! The last time they won the World Series was in 1908 (For some perspective, that is the same time the first car, the Model T,…

Halloween tricks and treats – 13 activities

How many houses can you get to – It’s Halloween. Time to trick or treat.  How long will it take you to get to all of these houses?  This is a very open-ended task, counting, trick or treating strategies, distance and more.…

Electoral College vs the Popular vote

Click the map to create your own at 270toWin.com Let your students see how votes really count with our activity on the Electoral College.  Can someone win the popular vote in the Presidential election and still not become President of…

Collecting the most candy!

Use your student’s Halloween enthusiasm to do a study on volumes.  We’ve created an activity that asks students to calculate the volume of candy containers that are silly and intriguing.  Skip the cone and the sphere to make this activity…

Steepness and fall hiking

Fall is a beautiful time of year for hiking. Many students will be walking in the woods and mountains to enjoy the colorful leaves and the cool weather outside.  Let them combine what they are doing with their families and…

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…

Another year of Never Ending Pasta

On September 15, 2016, Olive Garden again offered a $100 pass for never-ending pasta, bread sticks, salad and coca cola soft drinks.  The 21,000 patrons who quickly (in less than a minute) bought all of the passes will be entitled…

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?