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Greasing light poles
Greasing light poles

The Philadelphia police were being proactive about keeping their enthusiastic Eagles fans from being reckless as they celebrated their 2018 Super Bowl win. So, the police departments frosted...

Algebra Geometry Grades 5–HS
The Olympic Torch trip in South Korea
The Olympic Torch trip in South Korea

On October 24, 2017, the Olympic flame was captured on Mount Olympus, Greece. That flame lit one of this year's Olympic Torches and the Torch relay was begun...

Math and Social Studies Sports Grades 4–HS
Is this promo a good deal?
Is this promo a good deal?

McDonald's was offering an "Arch Card" special deal. If you bought an Arch Card for $100 you were entitled to a free BigMac or EggMcMuffin every week for...

Number Sense Math and Food Grades 4–6
Hands of Support
Hands of Support

Lorenzo Quinn, an Italian sculptor, created and temporarily installed this piece of art entitled "Support" in Venice. Quinn used his own children's hands to design this piece. His...

Math and Art Ratio and Proportion Grades 5–HS
Should I get the Big One?
Should I get the Big One?

Let your students decide if the BIG one is a fair deal. Which size will they get? Which size offers the most value? Make a guess, then do...

Algebra Math and Food Grades 6–7
BIG Snickers bar
BIG Snickers bar

Act 1 - Big question = How many times bigger than a regular Snickers bar is this? What info would you like to know? How are you going...

Algebra Geometry Grades 3–6
How much does the biggest Lego set ever cost?
How much does the biggest Lego set ever cost?

Picture from the Verge. Click to see the story. Note: This is a remake of our 2014 " How Much Does a Lego Cost " activity How much...

Algebra Number Sense Grades 5–6
Total solar eclipse - apparent sizes
Total solar eclipse - apparent sizes

Where will the eclipse be seen? What if you are not in the path of totality? Total solar eclipse? What is apparent size? How can the moon seem...

Algebra Geometry High School
Giant iceberg breaks off from Antarctica
Giant iceberg breaks off from Antarctica

The crack in Antarctica's Larson C ice shelf has been growing for years (2017). Has the speed of the rift's growth stayed about the same? increased? decreased? Do...

Math and Science Current events Grades 5–HS
Drinks at the Fair
Drinks at the Fair

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...

Algebra Food Grades 6–HS
How many cars are there?
How many cars are there?

Brian came home from work to find that his son had his toy cars organized in a tight parking lot on our front porch. ? Below is a...

Number Sense Geometry Grades 2–4
Fidget spinners - fad or lasting trend?
Fidget spinners - fad or lasting trend?

Do you recognize what these are? Are you noticing students with these gadgets? Is this a forever toy or just the newest thing? Can you tell by looking...

Current events Data and probability Grades 5–HS