Students check out if getting 50% off and then a 20% discount will give them 70% off. Why does that happen?
Taking two discounts off (2 activities)
Tag: 7.RP
April 15th happenings
We have 6 April 15th activities. The Boston Marathon, Where your tax money goes, Jackie Robinson, and Paul Revere’s ride.
Who has the greatest Men’s March Madness program?
The Kansas Jayhawks just won the finals of this year’s March Madness tournament. Which NCAA teams have had the best basketball programs over the years. Students decide which stats count towards the “Greatest March Madness Program”.
Daylight Savings Time and Pi Day are coming up!
How does the start of Daylight Savings Time make you feel? – updated! Will you wake up and go to sleep earlier or later on Sunday? What kind of chart or picture could you draw to help you compare before…
When will WORDLE run out of words?
Have you played WORDLE yet? Why do you suppose that this game is so popular? When will there be no new 5-letter words to try?
Shrinkflation
Inflation in the cost of living, last year (2021) was estimated to be about a 7%. If “shrinkflation” is happening at the same time as general inflation, is the unit cost for those shrunk items actually raised even more than 7%? Let’s find out.
Mardi Gras, 2022
In New Orleans revelers throw and collect purple, green, and gold beads. Students get a chance to examine the monetary and environmental cost of this bead exuberance with our unit pricing and recycling activity.
Martin Luther King, Jr and social justice
We have 6 activities on Martin Luther King and the movement to a more fair and equal representation of Black lives in America. A timeline of KIng’s life; a timeline of the social justice movement; the history of Jackie Robinson; data on which monuments in the National Mall are most visited; a study of crowd counting; and an examination of the recent changes in the Bears Ears Monument size and the reasons for that change.
Bowl by the hour or the game?
Students consider the posted pricing of this bowling alley. What must they consider when choosing how to pay? What do you expect will be the best deal? How do you know?
The James Webb telescope
After launch, the telescope deployed on its 30-day, million-mile journey out to the second Lagrange point (L2). This video shows the deployment procedure, timeline, and location of the satellite during deployment. Is this telescope just a more modern telescope…
Will one roll be enough?
Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface area, reasoning explanation, and diagraming! An X-box is…
2 New Macy’s Parade balloons
Students figure out the dimensions of these two new balloons using Macy’s hints and judging from the handlers’ sizes.
Veterans Day 2021
Here are two very different maps about where Veterans live in the U.S. and which states have the largest density of Veterans citizens. What do these two maps make you wonder or realize? How can you explain their comparison?
Giant Pumpkins
Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giants. To introduce the task…
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?