# Tag: 7.RP

## Is the Electoral College fair?

After showing the video consider asking your students what the grouping of students must have been for “colored pencils” to win the class electoral college?  Is there more than one possibility?  What is the minimum number of students that could have voted for colored pencils for them to still win the Electoral College.  Students then consider scenarios where a candidate wins the popular vote, but loses the Electoral College.

## Monster cake

First, students need to find the surface area that the M&Ms cover in order to approximate how many M&Ms she needs to finish her cake.
When Brian tried to make the cake, he mistakenly added too much peanut butter.  Now all the of ingredients will need to be increased by some percent to insure that the cake maintains appropriate ingredient ratios?

## It might be a good year to see the Perseid meteor shower

Catching a productive meteor shower can be a stunning experience.  On the evenings and mornings of August 11th, 12th and 13th there could be a very good show.  A last quarter moon will leave the night sky growing darker each…

## What is with this chart?

Does this chart make sense to you? Is there something odd about it? How would you change it to make it more sensible?

## How many delegates does each state get to send to the Democratic Convention?

Students reason about the meaning of this formula. They evaluate the formula for South Dakota and their state of choice to understand the weight of each state’s power in choosing the Democratic nominee.

## K-Pop and BTS, how much can they earn from Youtube and Spotify?

How much could this K-pop group possibly earn on Youtube and Spotify? Unit ratio calculations. BTS

## Sweetheart candies are back … sort of

How many dollars worth of sweet hearts candies used to be sold each Valentine’s season?  Let your students taste the candies while they do the math. Student learn of the pain of a new manufacturer.  They practice problem solving, critical thinking, and number sense reasoning?

## It’s Girl Scout cookie time again!

Totally new activity! Let your students talk about their favorite Girl Scout cookies as they figure out what the local GS chapter really earns from these sales.  Use this old graphic (where a box only costs \$4.00) to figure out…

## Three wrapping presents activities

3 activities about wrapping presents: On the diagonal, 3-act by estimation with iPhone, and judging sizes and needs by estimation with man and shopping basket.

## The Forever Roll

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?

## Macy’s has some new balloons

These giant beauties can be measured in handler height, taxi cab widths, stories tall, and bicycle lengths.  What does that all mean?  How big are these balloons. The activity: Macy’sNewBalloons.pdf

## 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?

## Drill bit fractions

Act One:  Drill bits are measured by the diameter of the bit in inches. The drill bits below are ordered left to right in increasing size. The numerators in the fractions have been blacked out.  What could the numerators be?  Explain your…

## Who’s going back to school?

Updated! Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 schools. They are asked to draw conclusions…

## How can Nike give away so much great stuff?

Worldwide Nike supports many teams and athletes.  They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth?  Is the company going to go broke? Probably not.  Nike is huge. In this activity we…