# Tag: 6.RP.3

## How many wings did the Bills send the Bengals?

On December 31st, 2017, the Cincinnati Bengals beat the Baltimore Ravens. The Ravens’ loss clinched the Buffalo Bills’ rise to the AFC playoffs.  The Bills sent a thank-you gift of Duff’s famous chicken wings and sides to the Bengals. Seems…

## Is this promo a good deal?

McDonald’s was offering an “Arch Card” special deal. If you bought an Arch Card for \$100 you were entitled to a free BigMac or EggMcMuffin every week for a full year. The card was only offered at some McDonald’s restaurants…

## Earth’s perihelion

On Wednesday, January 3rd, 2018, 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…

## Operation Gratitude – Halloween candy buy back

This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a good use for all of that leftover candy.

## Holiday candy sales

Which holidays are associated with candy? For which of those holidays is the most candy sold? What percents of annual candy sales does each holiday contribute? Consider using some independent think time, then small group discussion, then whole group discussion as…

## Which is the best candy deal?

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…

## Water saving toilets

How much water is used? How much water could be saved? The activity: PottyTime-SavingWater.pdf CCSS: 5.MD.1, 5.NBT.7, 6.RP.3, 7.RP.3, MP2

## How much does the biggest Lego set ever cost?

Note: This is a remake of our 2014 “How Much Does a Lego Cost” activity How much could the Lego Millennium Falcon cost? Student first make a guess and then think about what information would be useful in order to…

## Total solar eclipse – apparent sizes

Where will the eclipse be seen?  What if you are not in the path of totality?  Total solar eclipse?  What is apparent size?  How can the moon seem to cover the sun completely? We’ve created a pretty extensive investigation about…

## Willy Makit and Betty Wont

I have to go to the bathroom pretty badly. I have to admit that I have been holding it in for a while.  Finally!  I see a bathroom sign!  Wait … it is in kilometers?  How far is that?  Should…

## New Pirates of the Caribbean – How profitable?

The fifth Pirates of the Caribbean movie opened on Friday, May 26th. Your students might be looking forward to seeing this movie and motivated to understand the investment expenses and profit expectations. Our data and questions will help them judge this…

## Measuring sea level

What does this gizmo do? We’ve given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we’ve given them the data that was collected from…

## Giant iceberg

Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland.  Its hard to tell how large it actually is but it looks huge.  Use some of the data that was supplied and your estimation skills to gauge the…

## April’s calf was born!

At about 10:00 am, April 15th, April’s calf was born.  Everyone will be talking about it and smiling constantly. Here’s some fun math stuff to bring with you for Holiday gatherings. The activity:  April’s-calf.pdf

## Patriots’ Day

In Massachusetts, Monday April 15th, 2019, will be a holiday from school and work.  We celebrate Patriots’ Day on the 3rd Monday in April to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. Students…