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…

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.

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.

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…

Students examine the ads and decide what is and isn’t said. Do the ads give enough information to make a decision? Which is the better deal? How do you know?

Why would anyone need such a big roll of toilet paper? How does it compare to Charmin’s other toilet paper products? If this roll lasts for one month, how big a roll would I need to be able to last for one year?

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.…

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…

The official Atlantic hurricane season started on June 1 and doesn’t end until November 30th. Now Hurricane Dorian is approaching the East Coast. Encourage your students to join the conversation, knowledgeably, by using our activity. Students read about hurricane classfications and calculate…

Updated! Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 schools. They are asked to draw conclusions…

We are nearing the finale of this year’s March Madness tournament. Which NCAA teams must have the best basketball programs since they consistently do well in this tournament? Based on this data, which do you think is the greatest March…

Mike Trout just signed a huge contract. He’ll be receiving $430 million dollars playing for 12 years with the Los Angeles Angels. Let’s take a look at some of the other big world sports’ contracts from the NBA, NHL, NFL, MLB…

More for π Day! On a cold and snowy day in Boston, two chefs created a huge Key Lime pie to remind the frozen people of the Northeast how tasty and warm the Keys of Florida are. After you…

The President’s have only received a pay increase 5 times in the United States. Picture it with a step graph. Calculate the actual salary using the CPI (Consumer Price Index). Do the Presidents need a raise?