Algebra

These posts help students see patterns and relationships.

Halloween and October 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…

Making a ghost costume

I’m going to make a costume pattern to sell.  People can buy my plan and make awesome, long, full, scary, ghost costumes.  This scheme will be so simple.  Perhaps I’ll get rich! In this activity young students can reason about…

Halloween Booritos again this year!

One of my favorite foods is a burrito.  One of my favorite places to get a burrito is Chipotle.  Their food is delicious and environmentally friendly. For Halloween 2014, Chipotle is running the following promotion and charity drive.  Chipotle is offering…

Vampire bats

Ooooo. Scary!  This is a slightly didactic activity on vampire bats.  We’ve given lots of interesting metric and customary unit facts and asked students to relate those sizes to quantities that they are familiar with.  Simply enjoy the season with this…

Macy’s Star Rewards Points

Wow! Check out this deal at Macy’s.  For $25 I can join Macy’s Star Rewards program.  I get 10% back in rewards for every dollar I spend.  Its pretty cool that Macy’s gives part of that $25 to charity.  Should you do…

How large a TV should I get?

This is a great looking room, but do you see what is wrong with this picture? Whether you are in middle school or high school, someday you are going to be moving out and you might need to select the…

Thinking about Columbus

The Niña Can you imagine sailing off to the West, into empty looking ocean, to find what your captain believes is a good route to the Indian subcontinent?  This was a pretty risky navigational feat.  Luckily the ships experienced good…

Steepness and Fall hiking

 Mt. Washington, NH 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…

iPhone 6 opening weekend

Apple’s latest iPhone, the iPhone 6, is out.  The opening weekend was full of long lines, waits and sold out stores.  With all of this hoopla, could the iPhone 6 outsell the 9 million iPhone 5s/5c’s that were sold during…

Ebola updated

Ebola has continued to gain strength and devastate regions of West Africa.  WHO (World Health Organization) updates their data frequently and the progress and lack of control of the epidemic is very concerning. We’ve gathered the present numbers again for…

Never-ending pasta

On September 8, 2014, Olive Garden offered a $100 pass for never-ending pasta and Coca Cola soft drinks.  The 1,000 patrons who quickly bought up the passes will be entitled to as much pasta as they like (with toppings) from…

Cell phone plans

Its time to go get the latest iPhone.  Which of the above plans will you choose?  Should you sign a 2-year contract on one of the above plans to get the iPhone for $200?  Or should you go through T-Mobile,…

Fall equinox

Tuesday, September 23, 2013 is 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 moment the number…

Doubling your money

My friend and I were arguing about how long it would take me to double my investment amounts.  How will your students figure this out?  Are there any tricks?  Explore investing and exponential growth as your students discover “The Rule…

Fantasy Football

In the midst of another NFL season, we introduce students to Fantasy Football. Students first calculate football points given touchdowns, yardage gains and interceptions. They are then challenged to generalize an equation for that gives a player’s total fantasy points. Students…