# Category: Ratio and Proportion

## “Wild Boars” soccer team rescue – Incredible

Can you imagine being stuck in the dark for such a long time?  How do all of the numbers play out? In this activity, students get a chance to talk about the experience of this ordeal while calculating usual rates…

## Really big beach towel

Act One: Check out this beach towel!  What do you wonder? What would you like to know? Miami artist, Misael Soto (pictured on the left below), created this giant art project to make a statement about people sharing territory at the beach.…

## Now that LeBron James is becoming an L. A. Laker, will this company go broke?

Fanatics is an online sportswear retailer that has promised to accept jersey returns if your chosen player makes a team switch. In this activity student try to calculate how much this “Jersey Assurance” program will actually cost the company.  This…

## Encouraging bats might be better than using bug repellant

Bats eat mosquitoes … lots of mosquitoes. Students compare a bat’s weight to how much he can consume in one night.  They calculate how much they would need to eat to consume a comparable proportion of food. We compare the…

## NBA Finals, 2018

Celebrate the NBA and NBA Finals by involving your students in interpreting what can be deduced from graphical representations.  In this activity students consider scatter plots, circle graphs, bar graphs, Venn Diagrams and the concept of mean. To start the…

## Memorial Day 2018

This Monday Americans will celebrate Memorial Day.  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…

## More eruptions on Hawai’i’s Kilauea

The Volcano Kilauea is continuing to spew molten lava and ash on the island of Hawai’i. This volcano is on the tip of the southern most Hawaiian Island.  Is that significant? In this activity students note the descending ages of…

## Mother’s Day is coming up

Mother’s Day by the numbers – Mother’s Day is right around the corner and this means big business for the greeting card and floral industries. Let your students practice averages, percents, and large numbers while they analyze the statistics on Mother’s…

## Longest NHL overtime games in history

Game one of the 2013 Stanley Cup between the Bruins and Blackhawks went into 3 overtimes. People stayed up way too late to watch the conclusion. The teams played 112 minutes and eight seconds of game time. The game went…

## Opening Weekend – Avengers: Infinity War

Can you tell from its opening weekend how much the new movie, Avengers: Infinity War, might earn in theaters?  This activity can be used anytime and is especially timely when there is a new blockbuster movie released.  We’ve left blank…

## Boeing 787 draws an airplane over the United States

Recently, pilots of a Boeing 787 testing a new set of Rolls Royce engines, fulfilled their FAA required long-distance endurance requirement in an unusual way. The Boeing pilots decided to have a little fun and fly a flight path that traced…

## Where should I drop my puck?

Act 1 – Give students time to view the game board above or give them our one-page activity. The above picture is larger when you click on it. Ask students for their gut reaction about which slot would give them…

## Earth Day, 2018 – 12 activities

Sunday, April 22nd is Earth Day – There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. Have you seen more Monarch butterflies lately? – Students read charts, do a little research, and make observations…

## How fast can you run?

In preparation for the Boston Marathon, we thought that an analysis of running speeds might be appropriate.Have you heard of The Six Million Dollar Man?  He was the character in a science fiction show about an astronaut that was rebuilt,…