# Tag: 6.RP

## Nathan’s Hot Dog eating contest

Nathan’s Famous Hot Dog Eating Contest has been held each July 4th since 1972.
What questions do you have from looking at all of this historical data?
How have the records changed?
Why do you think that is?
How many hot dogs can a human possibly eat in 10 minutes?

## Shoprite’s solar energy goals on the African continent

Shoprite is the largest supermarket chain in Africa.  The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar potential on the African continent.  Besides saving the Earth, how big is…

## Which car, hybrid or electric, should I buy?

Students create equations for finding the break-even points of hybrid and electric vehicles by mileage and years of ownership.  They work with systems of equations to find the number of years or number of miles where the cost of these cars are the same.

## Does seeding really matter?

Engage your students in percents as they get excited about March Madness. Is getting a higher seed really an advantage?  Use 30 years of data to help determine for which seeds it makes sense to pick an upset.  Finally, students determine a general strategy for picking games in the first round.

## At least the days are getting longer

What’s your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how long, on average, the change in daylight hours should be; and finally understand the variability in our year of daylight hours.

## How should I spend my rewards?

For every dollar that you spend, you accumulate points.  You can cash them in for savings on groceries, apply them to your gasoline purchases, or even use them to give to a food kitchen. If you are going to use them for gasoline or groceries, which way gets you the best deal?

## Earth’s perihelion

On Saturday, January 2nd, 2021, Earth will be as close as it gets to the Sun during its orbit. Shouldn’t that make this the warmest time of the year? In this activity students become familiar with the terms perihelion and aphelion as they calculate…

## The new largest Lego set ever – The Roman Colosseum

Note: This is a remake of our 2014 and 2017 activities “How Much Does a Lego Cost?”. How much could the Roman Colosseum Lego set cost ? Student first make a guess and then think about what information would be…

## Black Friday

When shopping next Friday, students will be able to add some understanding and analysis to the trip after calculating savings in dollars and percents with this timely investigation.

## Not enough mashed potatoes

Updated activity for Covid 19 appropriate Thanksgivings.
Students change decimals to fractions,
calculate ingredient measures for various-sized Thanksgiving servings,
explain their thinking in calculating these figures,
and judge how many servings could be created from 7½ pounds of potatoes.

## Lots of Cranberries

In this timely activity, students learn about how cranberries are grown and harvested; estimate their size and quantities; and see what they can deduce from published statistics.

## Candy deals

We found big mixed bags of candy at really good prices … we think. Students are asked to decide which would be the best deal and the worst deal on candy.  They can also create their own mixed bags.  This activity…

## 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?

## 2 Hiking Activities

Appalachian Trail Needs – Calculating the needs and rates involved in enduring this 2,168 mile trek.
Steepness and Fall Hiking – Use a little mathematics about percent grade change in hiking.