How many stripes are in our present flag pictured above? (The bottom right flag that has been in use since 1960.) How many stars? What do the numbers of stars and stripes represent? U.S. Congress is again considering whether to…

The date of the Presidential Inauguration this year can be written in an interesting way. What do you notice? What do you wonder? Do you think that this happens often in a year?

Students surmise what the difficulty of a jig saw puzzle entails and use rate calculations to estimate finishing times. They try to confirm whether doubling the number of pieces really increases puzzle completion time by a multiple of four.

Students learn how the Postal Service is funded and try to decide how the USPS could earn more or spend less in their operation. They finally get to think about whether the post office should be a government run service or a self-sustaining business.

In 2018, the trailer of a truck filled with Ramen noodles was stolen from a parking lot in Georgia. The trailer contents were valued at $98,000. What do you wonder about this? Is this even possible?

Could $98,000 worth of Ramen even fit in a tractor trailer?

For health concerns, professional sports now have no actual live fans. To help generate the excitement and semblance of fans, some teams use cardboard cutouts of people. Some use Zoom screens of fans. The NBA creates virtual fans. Actual viewers…

This day is known for pranks and puzzles. Try one of these 4 activities on April Fools Day. Ask students to analyze where I made my mistake PerplexingProblem.pdf For members we have solutions. PerplexingProblem-solution.pdf …

Clock math, 1,2,3,4,5,6,7,8,9,10,11,12,1,2,3,4,5,6,7… is modular math. Let your students learn about the usefulness of modular math as they color and explore Pascal’s Triangle. Very pretty math!

What’s a Mersenne prime? How hard could it be to find the next one? Why are there only 50 known Mersenne primes? What’s with $150,000? The activity: NewMersennePrime.pdf

How do you calculate and justify which deal is a better savings? By dollars saved? By percent saved? By some other measure? The activity: WhichDealOffersMostValue.pdf CCSS: 4.OA, 4.NBT, 4.MD.A, 5.NBT, 6.RP, 6.EE, 7.RP, 7.EE.A

This summer I visited Alaska and truly enjoyed the majesty of the Alaskan scenerey and the many accomplished people that I met. At the time that I was there, the newspaper’s front page was filled with pictures of huge vegetables…