## April Fool’s Day fun

This day is known for pranks and puzzles.
Try one of these 4 activities on April Fools Day.

For members we have solutions. PerplexingProblem-solution.pdf

CCSS: MP1, MP3, 4.OA, 5.G, 8.EE, 8.SP

Or baffle 'em with this Mystical Mathematical Mind Reader activity.  They will think you are pulling one over on them until they figure out the math!

CCSS:  4.OA.4, 5.OA.1, HSA.CED.A.2, MP1, MP3, MP4, MP7, MP8

## Refugees from Ukraine

Clicking on this image will open it larger in a new page. https://data2.unhcr.org/en/situations/ukraine

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 do these numbers compare with other tragic evacuations. While interpreting graphics and working with these huge numbers, bring your student's opinions and concerns into your math class.

## Spring is here (5 activities)

Python Tree - We let students see a tree leafing out with the use of a fractal and the start of appreciating recursion.  We used the Python programming language and asked students to figure out what the program is saying to do ... without Python instructions.  Pretty, fun, and important in our world today. 4.OA, 5.OA, 8.F, MP7, MP8, HSF.IF

Does seeding matter? - Engage your students in percents as they are following March Madness. Is getting a higher seed really an advantage?  Use 30 years of data to help determine for which seeds it makes sense to pick an upset. 6.RP.3, 7.RP.3

## What is my best gasoline option?

Jason Kibbe, 6-8 Gifted Support Teacher in Chambersburg, PA, sent us this timely investigation.

Should I pay the membership fee and get BJ's gasoline?  Should I just buy the cheaper gas at Sheetze? Students figure out the best deals with a membership fee, a loyalty credit card, or just the cheapest gas around. They create linear equations and find out for which amounts of gas would cost differences be the greatest and for which amounts of gas would costs be the same. And more ...

## Picking the perfect bracket 2022

### March Madness Men's and Women's Brackets

 Clicking on this image will show it larger in a new window. Clicking on this image will show it larger in a new window.
Selection Sunday has just happened and now the March Madness bracket predictions can begin.

This year there will be 68 men's and 68 women's college basketball teams in the tournaments.

If you try to predict how the games will play out by filling out a bracket, what are your chances of picking every game? How does the change from 64 to 65 to now, 68 teams in the field complicate things?  How many brackets would you need to fill out to pick every possibility?

## 3 Saint Patrick’s Day activities

Shamrocks in Ireland are actually be 3-leafed white clover, trifolium repens. If you are lucky, you can sometimes find a four-leafed clover.  How rare is finding a 4-leafed clover?  How hard do you have to look?  What size area of clover must you examine to find one?