# Tag: 8th

## The Fiscal Cliff – sounds scary

We’ve used a graphic to help students understand what is meant by the Fiscal Cliff.  Students will understand some of the terms and study the consequences of two upcoming scenarios.  They will be deducing information from the graphic.

## Shopping season begins!

Friday, November 23rd marks the beginning of the holiday shopping craze.  Students will be able to add some understanding and analysis to those shopping trips after calculating savings in dollars and percents

## Is this possible?

Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.  He wondered if that size coffee cup could really have coffee in it.  Wouldn’t the car rock back on its rear bumper? How much…

## Starbucks, 2012

Time to give students some authentic math on a topic they will surely be interested in … Starbucks.  We ask and answer a few questions in this activity. About how many drinks does Starbucks sell in a year? If I…

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…

## Penny Wars

Act One: Check out all of the pennies! What questions come to mind? If you want the most money, which container should you pick? What information do you need to answer this question?  What assumptions must you make to solve…

## Curiosity landed on Mars

Keep your students up on what’s happening in space while analyzing Curiosity’s speed, the speed of a radio transmission from Mars, and the deceleration involved in a “sky crane” landing.

What is an IPO?  Are they always good investments? Students analyze charts and data, learn a little about investing, calculate percent loss (unfortunately), and make some Facebook stock projections. facebook-IPO.pdf

## Pythagorean Theorem

Use this activity to help your students discover the Pythagorean theorem. Pythagorean theorem work is often skill and drill work with contrived right triangle problems.  In this activity students work with a visual representation of the Pythagorean theorem in order…

## Storm cleanup

This activity could be used as an introduction to trig ratios.  Students figure out the approximate length of the huge branch that I have to fell for safety and firewood. After approximating the branch’s length, they calculate how many logs…

How long will it take me to download the video game? This can be done as a 3 Act Task.  To get started simply show the video and following picture to your class. ACT ONE: I decided to download a…

## It sure is cold out … or is it?

Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, missing data for averaging, line of best fit, Google Earth, world locations,…

## Throwing up again

Anchorage, Alaska has received more than 100 inches of snow this winter.  The height of the tunnel to people’s homes is getting higher and higher. When they shovel an area, they have to throw the snow practically straight up from…

## Valentine’s Cardioid

WojciechSwiderski at the Polish language Wikipedia Happy Valentine’s Day!              cardioid.pdf This PDF contains four ways students can draw cardioids for Valentine’s Day. CCSS: HSN.CN.B