# Category: Algebra

## YUMMY food for Passover

Passover will begin this year at sundown on Monday, April 10th. Jewish families will gather to commemorate the exodus of the Children of Israel from slavery in Egypt. The celebration begins with a traditional meal, the Seder, where the story of…

## What does 95% confidence in the poll results mean?

There were polls about who would win the Presidential election. Now there are polls about approval ratings for Congress and President Trump.  You can see the latest poll results here. I get so confused when polling results are reported.  What…

## Fun and crazy things to do for April Fools day

We have two classic puzzles for your April 1st class starters. PerplexingOne.pdf      PerplexingTwo.pdf CCSS: MP.1, MP3,4.OA, 5.G, 8.EE, 8.SP For members we have solutions. PerplexingOne-solution.pdf     PerplexingTwo-solution.pdf Or you might baffle and amaze your students with our Ghost Whisperer lesson.…

## Alarming ice cracks on Brunt Ice Sheet in Antarctica

A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved.  Fear of a huge break-off from the ice sheet is alarming not just to the scientists on the station but to…

## The perfect bracket

Sunday night, March 12th, is Selection Sunday for the Men’s March Madness Tournament.  Monday night, March 13th is the selection night for the Women’s March Madness Tournament.  The March Madness bracket predictions can begin. What are your chances of picking…

## Pi Day is coming!

Celebrate π in your school and in your math class with activities that demonstrate how π was derived; visually show why π makes sense; show a surprising place where π is used; increase students ability to measure and long divide; applauds the talent of…

## New baby giraffe

Willow weighed 125 pounds at birth and was 6 feet 1 inch tall.  She will grow to her adult height of around 14 feet tall in only four years! How big would you be if you grew at her rate…

## Iditarod 2017

The Iditarod Dog Sled Race begins on Saturday, March 4th in Anchorage, Alaska. This long and grueling competition is called the Last Great Race on Earth. Students do some rate, distance, and hardship comparisons to decide if they agree that the…

## Mardi gras – Fat Tuesday

Tuesday, February 28, 2017, will be the day before Ash Wednesday and the start of the season of Lent.  Mardi Gras is a last hoorah and is celebrated throughout the world with feasting, partying, and general indulgence.  In New Orleans…

## Movies and the upcoming Oscars

Highest Grossing Movies – Let your students develop their own ideas about compounded percent change while they have the opportunity to speak about the upcoming Academy Awards show. Worldwide box office income is compared for the top ten grossing movies of all…

## In honor of Presidents’ Day find out about President’s pay

You can’t run for President now, but heck, 2036 is right around the corner. Being President of the United States will be quite an accomplishment and a ton of work.   But, how is the pay?  Does the job pay…

## Valentine’s Day activities

Chocolate-raspberry heart-shaped cake – Students build a heart cake and use ratio information to find the quantities of cake and icing resulting from increased dimensions. A parametric heart … with love – Students use unit triangles and manually calculate sine and cosine…

## How did I graph this heart?

What equations did I use to make this beauty? algebraic-heart CCSS: 8.EE, 8.F, HSA, HSG

## Super Bowl ads and scientific notation

On Monday, when the Super Bowl is over and all of the ads have been seen, use this scientific notation activity to involve math students in the talk of the day. Newton teacher, Matt Timmins gave us this timely activity…

## Activities for Super Bowl and Groundhog Day

Typical Super Bowl scores – Students reflect on the mean, median, and mode losing scores, winning scores, and range of scores from past Super Bowls as they try to predict this year’s scores. They decide how the next pair of scores…