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In 1980, one gallon of gasoline costs $1.22. Today's prices are a lot higher. Is that because the price has gone up or because in 1980 you could...
Graphic from http://lagoon-inside.com [ This week Hurricane Fiona caused major damage to Puerto Rico, the Dominican Republic and the Caribbean, This is the season for increased cyclonic activity...
Did you know that there is an amount of caffeine that is too much for the growing brain of a teenager? We did some research and have asked...
Gumball Machine Problem from Brian Marks on Vimeo This problem is a little puzzle to get your students thinking, estimating, and calculating. We've given you a pdf file...
Credit: (NASA/Joel Kowsky) 50 years ago we landed on the moon. We've established a space station and flown astronauts and guests to live there. Private industries have created...
Probably most of us have heard of and even used hexadecimal color codes. Don't you wonder why their number descriptions really make sense? In this activity we first...
It's time to treat your students to ratios, proportions, fractions and BIG BURGERS! In this activity students explore the ratio of the various ingredients in the world's largest...
I'm going to surprise my mom with breakfast in bed for Mother's Day. She wakes up pretty early. When do I have to wake up to pull this...
What do you think this activity might be about? What do you wonder? How much would you pay for this piece of art? How much profit is involved...
At Costco you can buy this huge tub of n utella . It contains nearly 7 pounds of chocolaty-hazelnut spread. We use n utella to make banana/n utella...
We are hearing a lot about the war in Ukraine. Civilian Ukrainians are fleeing the war zone in order to remain safe and find food and housing. How...
On October 18 th , 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit...