Tag: ratio

Huge Key Lime pie

More for π Day!  On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. After you…

President’s Pay for Presidents’ Day

The President’s have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index). Do the Presidents need a raise?

Triple Crown hopeful at the Preakness Stakes

Justify won the Preakness – Can he win the Triple Crown? This past Saturday was the running of the Preakness Stakes Thoroughbred horse race in Baltimore, Maryland.  The Preakness is the second major race for 3-year old thoroughbreds to run…

Hands of “Support”

Lorenzo Quinn, an Italian sculptor, created and temporarily installed this piece of art entitled “Support” in Venice.  Quinn used his own children’s hands to design this piece.  His intention was to demonstrate our need of human support to ensure the…

April’s calf was born!

At about 10:00 am, April 15th, April’s calf was born.  Everyone will be talking about it and smiling constantly. Here’s some fun math stuff to bring with you for Holiday gatherings. The activity:  April’s-calf.pdf

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…

Home team advantage?

Updated 2021! Even before your students check out the graphic below, ask them whether they think a game played at home gives their team an advantage.  If so, how much of an advantage?  Enjoy the discussion first.  Then show the…

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…

Will college be affordable?

Whether you or one of your siblings is going off to college next fall, it is useful to know how much colleges cost.  Not going to college this fall? No worries, we can use the information on college costs in…

The Boston Marathon

Monday, April 15, 2019 Patriot’s Day, is the next running of the Boston Marathon. What do you know about marathons? What do you know about the Boston Marathon? How long do you think the marathon is? Make your best guess.…

Glowing rectangles

People spend lots of time staring at their screens (glowing rectangles).  Kids spend hours each day using their cell phones, computers, tablets, television and more.  Use that interest to motivate your student’s analysis of screen ratios and what proportions they…

How much can my DVR record?

How many hours of HD video can my DVR strore? How about SD video? I love my DVR.  I can record my shows and movies and watch them whenever I want.  I know that when I record HD programs my…

How Old Are You?

We usually give our ages in years, but that isn’t very precise is it?  In this activity students find their age in days, hours and minutes.  First students take two minutes to estimate their age in days, hours and minutes.…