Algebra

These posts help students see patterns and relationships.

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.…

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.…

Big Papi

Check out the video: What do you wonder? How many donuts make up this Big Papi tribute? What would be useful to help you figure this out? The following pictures that will open in new windows:  Big Papi Sky View,…

Columbus and navigation

The Niña Columbus Day is a bit of an enigma that used to be celebrated all through the Americas.  Columbus’s mission and arrival are now thought to have not been a noble endeavor in the way that indigenous people were treated.  Now,…

Are these really 70% off?

We ran into this sale online. Is that advertisement correct?  Do they just want us to believe their math and not question what is really 70% off?  Is everything or anything really 70% off?

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…

Extra Point or 2-Point Conversion?

In 2015 the NFL changed the extra point kick distance to 33 yards and now teams have a tough decision to make, go for one or two points?  The one point extra point is no longer a given with a…

iPhone 7 opening weekend

Yep, Apple just announced a new iPhone … the iPhone 7.  It will be in their stores on September 16, 2016.  What will their record sales be like this time?  How many iPhones will they sell? In this activity kids…

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?

Ghost Whisperer

Let your students play this great game online at Ghost Whisperer Crystal Ball and Figure out why it works. Construct viable arguments Critique the work of others This activity can be used with any grade level elementary through high school.  Younger students…

Who’s going back to school?

In this investigation students calculate the percentage of the U.S. population (current and historically) that are enrolled in K-12 schools. They are asked to draw conclusions from these variations. Finally, they use their calculations to predict the number of enrolled…