# Tag: HSF-LE.A.2

## Picking the perfect bracket 2022

What are your chances of picking every game? How does the change from 64 to 65 to now, 68 teams in the field complicate things?  How many brackets would you need to fill out to pick every possibility?  How many reams of paper would you need to print all of those brackets?  Let’s do the math!   Also, check out the video below that explores your odds of picking all games in the tournament perfectly.

## I should have invested!

Students use yearly percent increase data to decide which stock: Apple, Disney or Amazon, they should have invested in way back in 2015.
What was the net gain of these stocks?
How do you figure that?
Does the arithmetic or geometric average of those increases equal their total gain or loss over the years?

## Haiti’s earthquake and the Richter scale

On August 14th, Haiti was hit with a powerful 7.2 magnitude earthquake. What does a 7.2 magnitude earthquake imply? What’s a seismometer.  What is the amplitude of a seismograph and what does it mean? Use our Richter scale activity to introduce your students to logarithmic Richter magnitudes.

## The Perfect Bracket

What are your chances of picking every game? How does the change from 64 to 65 to now, 68 teams in the field complicate things?  How many brackets would you need to fill out to pick every possibility?  How many reams of paper would you need to print all of those brackets?  Let’s do the math!   Also, check out the video below that explores your odds of picking all games in the tournament perfectly.

## Really big shoe

Brian and his son were doing some shopping when he found this shoe.  Egad!  Could that be someone’s real shoe? In this activity student need to use a shoe size chart, patterns or linear modeling to try to figure out…

## 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…

## 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. …

## 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…

## 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

## How Much is a Tweet Worth?

These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money.  In this activity students study how the number of Twitter followers relates to tweet…

## Macy’s Star Rewards Points

Wow! Check out this deal at Macy’s.  For \$25 I can join Macy’s Star Rewards program.  I get 10% back in rewards for every dollar I spend.  Its pretty cool that Macy’s gives part of that \$25 to charity.  Should you do…