Dyeing eggs with food coloring – Students use the chart on the back of a food dye package to compare the strangely different recipes listed for coloring a cake, icing, or dyeing eggs. They look for and create equivalent ratios…
Students use the National Weather Service’s chart to look for patterns, make predictions, decide how many ways the wind-chill could be -22 degrees F, and compare the formula’s outcome with their chart predications.
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%…
Wow! Check out this deal at Macy’s. For $25 I can join Macy’s Star Rewards program. I get 10% back in rewards for every dollar I spend. Its pretty cool that Macy’s gives part of that $25 to charity. Should you do…
These two companies carry a lot of our packages. What can you tell about them by the numbers? Does delivering a little percent late really equal to not many packages late?
We used to see holiday sales right after Thanksgiving but, surprisingly, holiday shopping has already begun. Sales are advertised everywhere. Students will be able to add some understanding and analysis to those shopping trips after calculating savings in dollars and…
Combine colorful and cool fall hiking with a little mathematics about percent grade change. What is a steep grade? Why is it in percent? How does grade change relate to slope?
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.
Appalachian Trail Needs – Calculating the needs and rates involved in enduring this 2,168 mile trek.
Steepness and Fall Hiking – Use a little mathematics about percent grade change in hiking.
Updated for 2020! The weekend of February 14 – 16 will be all about the NBA All-Stars. The two team captains are Giannis Antetokounmpo (Milwaukee Bucks) and LeBron James (Los Angeles Lakers). These guys were the vote getters among fan/media/players votes. On…
In the midst of another NFL season, we introduce students to Fantasy Football. Students first calculate football points given touchdowns, yardage gains and interceptions. They are then challenged to generalize an equation that gives a player’s total fantasy points. Students solve…
April 15th, 1947 was a date to remember. Jackie Robinson became the first African-American baseball player to play in Major League Baseball since the game was segregated in the 1890s. Robinson broke the baseball color barrier when the Brooklyn Dodgers started him in 1947…
Check out the two images of the 2008 summer Olympic medal counts. What do you notice? The Olympic Games are competitions between athletes in individual or team events and are not meant to be between countries. The International Olympic Committee…
Let your students decide if the BIG one is a fair deal. Click on the pic to enlarge and post on the wall. Have kids pick a sandwich. Which size will they get? Which size offers the most value? Make…
At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer when it is hot, naturally drink a lot. Which is the best…