Tag: 7.RP

Sweetheart candies

How many dollars worth of sweetheart candies used to be sold each Valentine’s season? How much is one candy worth? After Valentine’s Day their price is reduced. How much are they worth then?

MLK and efforts towards racial justice

Timelines for the life and work of Martin Luther King Jr.  – Students create one of two timelines about Martin Luther King Jr’s life or the efforts in America to create a more fair racial balance in the U.S.  …

Big bucks 2023

Huge sports contracts! We often hear about big player contracts. Who makes the most per year? Per game? What sports?

Earth’s perihelion with the Sun

Today, Wednesday, January 4th, 2023, 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…

Before the holidays (16 activities)

We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!

Buy, buy, buy and ship (8 ideas)

Here comes Black Friday, Small business Saturday, Cyber Monday and Giving Tuesday.  It’s a crazy time of year.  Use all of that shopping to educate your students about good deals and how shoppers can be fooled. Is this really 70%…

Participation in Halloween activities

Students analyze the ratios and percents of population, participation, and money spent in honor of October 31st.  This activity takes kids through finding parts of wholes as well as ratio, percents and proportion problems.  

Giant Pumpkins 2022

Sts use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giant pumpkins.

Indigenous Peoples or Columbus Day

Sts learn a little history, question what they have learned earlier, and calculate how far off Columbus was from East India and his understanding of the actual circumference of the Earth.

Little Amal

With refugees trying to survive hardships by traveling away from their homes, the story of Little Amal is powerful and touching. There is lots of math in creating an 11 foot tall puppet that can be controlled by 3 people and show fear, surprise, wonder, and generally the humanity of refugees.  Bring the story of Amal to your classroom with this timely art.

The James Webb space telescope and the Hubble

There have been outstanding images coming to NASA from the James Webb Telescope. Take some time to compare the Webb to the Hubble telescope that has been sending images to Earth since 1990. Look at what is different and what…

Should I buy a gasoline, hybrid, or electric car

Should you buy a hybrid or an electric car to save money and the planet? Students create equations for finding the break-even points of these vehicles by mileage and years of ownership.  They then work with systems of equations to…

At last, its summer again

How much pee is in this pool? – A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that cubic foot volume to gallons of pool water,…

Memorial Day 2022

Who are we honoring?  How did the holiday come about?  Isn’t Memorial Day usually on May 30th?
Students learn a little about the history of the holiday, analyze the possibilities and patterns for when it is celebrated and make observations about the incredible numbers of deaths that have been caused by war.