Tag: 5.NBT

Chili Con Queso

Act 1: Take a look at the promo at Moe’s.  What is the first question that comes to mind? How much does a 42-gallon jug of Chili Con Queso cost?  How many cups or bowls of Chili Con Queso is that?…

Cost of light bulbs – updated!

There’s a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized. Let your students “do the math” and realize some of the profit…

Scoring Olympic ski jumping

The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges.  Let your students learn more about the scoring of one event and decide whether it seems fair or not.…

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…

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…

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…

Happy 14th B’ak’tun!

Clicking on this map of the Mayan territories will open it larger and in a new window Luckily, we’ve passed 12/21/2012 and the world is still here and we’ve made it into the start of the next Mayan calendar cycle…

Humongous vegetables of Alaska

This summer I visited Alaska and truly enjoyed the majesty of the Alaskan scenerey and the many accomplished people that I met. At the time that I was there, the newspaper’s front page was filled with pictures of huge vegetables…

Legos

Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea.  Check out the pictures and video below: What other questions do you have? Act Two: What information do you need       …

Bank of America Debit Card Fees

Millions of people and businesses use debit cards every day.  Banks didn’t charge customers for their use. Banks actually gave rewards and incentives to customers for using them. So how did banks make money from debit cards?  Banks charged the…