Tag: 5th

Which TV is the Best Deal?

Check out the TVs.  All have essentially the same features, only the size of the screen varies.  Which TV do you think is the best deal?Explore area and unit pricing to determine which HDTV offers the most screen area for…

4th down

It’s 4th down.  Should you go for it?  Punt?  Kick a field goal?  Instead of using your gut, use research, data and math to make the right call … The graph below gives the recommended option for 4th down situations for…

Moneymaking holiday movies

Which movie do you think is the highest grossing holiday movie of all time (click on the movie to see its trailer)? How the Grinch Stole Christmas,  Elf,  The Santa Clause  or  The Polar Express Students analyze holiday movie data. They…

Best Sports City

My friend from Boston created this list of cities that had won championships (in the last 10 years) in the four major national leagues. What does this list make you wonder? Which city has the best teams?  How do you…

Chocolates and area

Halloween means lots of candy and chocolate.  In this activity students approximate the volume (through finding the morsel’s base area) of three different pieces of chocolate.  The chocolates are shaped like a heart, a bat (for Halloween) and a chocolate…

How much caffeine?

We stumbled upon this interesting caffeine infographic at visual.ly. Wonderings? How many McDonalds coffees do I need to get the same amount of caffeine that I would get in a Starbucks coffee? What is the whole circle worth?  How do you…

California wildfire

Wildfires are burning in the Sierra Nevada Mountains near Yosemite National Park.  In this activity we ask students to examine various maps of this California region, calculate distances using map scales, draw conclusions about the nature of fighting fire here,…

Bits, bytes, and nibbles

Clicking on the image will show it larger. I’m not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison.  I decided to practice with the numbers…

Raising the bar

Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor.  Let your students get a feel for this adventurous career as they calculate…

Crop circles

In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles  ………..  crop circles? Many of the crop circles in England appear mysteriously overnight.  They are often huge but appear…

Father’s Day blueberry surprise

Sunday is Father’s Day and there is still time to have a tiny fraction review in the guise of celebrating Father’s Day. This is a short activity that asks students to change the amounts in a blueberry muffin recipe to…

Cicada swarmaggedon

Most of the life cycle of the Magicicada Septendecim is spent underground.  Then at 17 year intervals, these cicadas emerge from the ground, climb deciduous trees, molt into adults, mate, lay eggs, and die. Why does the 17 year interval…

Cruising

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their needs are precarious as they calculate…

Chocolates

Valentine’s Day is here again and that means candies and chocolate.  In this activity students approximate the volume (through finding surface area) of three different pieces of chocolate.  The chocolates are shaped like a heart, a bat (for Halloween) and…

Voyager on the edge

The two Voyager space probes are in the news recently as they approach the edge of our solar system.  Scientist can tell that the Voyager’s environments are changing.  They are receiving more high-energy particles streaming