Why would anyone need such a big roll of toilet paper? How does it compare to Charmin’s other toilet paper products? If this roll lasts for one month, how big a roll would I need to be able to last for one year?
The Forever Roll
Tag: 8.F
Eliud Kipchoge runs marathon in 1:59:40.2
How have record marathon runs changed through the years? Will those record times keep being broken? Does the data help you predict?
So just print some more money!
What’s the big deal with our deficit? Do we actually borrow money to cover our debt? If we do, imagine the interest charges? Help your students (and their families) understand the meaning and repercussions…
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?
Bowling Deals
Clicking on this image will show it larger in a new window. Is there a general way to figure how much its going to cost you (and your friends) to go bowling? Should you pay per game? Or bowl per…
Consumer spending 2018
Consumers in the U.S. spend a lot of money. In this activity we look at historical data to see if there are any patterns in our spending. How does our holiday spending show up in these graphs? What accounts for…
Madden Glitch
It’s the talk of the town. Madden video games have had some issues. Check this one out. Here’s one that has Le’Veon Bell seeming to fly from the Bear’s goal line to the center of the field. Student’s can admire…
Jackie Robinson
April 15th, 1947 was a date to remember. Jackie Robinson became the first African-American baseball player to play in Major League Baseball since the game was segregated in the 1890s. Robinson broke the baseball color barrier when the Brooklyn Dodgers started him in 1947…
Will the new iPhone sales be huge?
Apple just announced their new, 10th anniversary, iPhones, the iPhone 8 and the iPhone X. These phones will soon be in stores, the iPhone 8 comes out on September 22, 2017. The iPhone X is available as of November 3rd. …
Giant iceberg breaks off from Antarctica
The crack in Antarctica’s Larson C ice shelf has been growing for years. Has the speed of the rift’s growth stayed about the same? increased? decreased? Do the math and discuss the implications. The activity: ice-sheet-rift.pdf
Drinks at the Fair
At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer when it is hot, naturally drink a lot. Which is the best…
Saving Water Bottles
In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of bottled water. Do you think that this is a good idea? Are they…
How did I graph this heart?
Getting a new iPhone – which plan should I choose?
I want to get an iPhone8 and maybe change my service plan. Which of the above plans should I choose? Student pick one plan and consider the cost of the phone and plan over time. They make tables, graphs and equations. Consider…
Should I replace my toilets?
I’m trying to be more savy about wasting our resources. I have really old fashioned toilets and I’m trying to figure out if I should invest in saving water. Can you help me? The activity: PottyTalk.pdf CCSS: 8.F.3, 8.F.4, 8.F.5, HSF.IF.B.4, HSF.IF.B.6, HSF.IF.C.7, HSF.IF.C.9, HSF.LE.A.2, HSF.LE.B.5