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Inauguration Date
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? The activity:...
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8 cold and snowy activities
How much snow is that? - How many inches of snow produced that pile? How much snow in volume is on top of the car? How much could that snow weigh? Approximation, snow/water equivalent rates (SWE)...
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How much did the tooth fairy give you when you lost a tooth?
Think back to when you were loosing your baby teeth. What was the going tooth rate in your house? Do you think that, on average, you were paid well or were you disappointed? Was your first...
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Tree for Springtime
Here in the Northeast, flowers are blooming and trees are leafing out. We thought the creation of a tree that grows before your eyes might be akin to what is going on all around us. What do you see...
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Memorial Day 2021
This Monday, Americans will celebrate Memorial Day. Who are we honoring? How did the holiday come about? Isn't Memorial Day usually on May 30th? Students learn a little about the history of the...
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Hanukkah is almost here!
Egad, Hanukkah begins this year on Sunday evening, November 28th. I think it was in December last year. Why isn't it always on the same date? Students look at the Hebrew calendar and appreciate the...
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Wind chill
The weather forecasters tell us what the wind chill temperature will feel like. How do they figure out that number? Dudley on a cold and windy day. In this activity students use the National Weather...
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Before the holidays activities (19 ideas)
Giant Macaroon Nutcracker - In 2013, Chef Andrew Yeo, built a giant macaroon nutcracker in a Boston hotel using given amounts of ingredients. Students try to figure out how much of each ingredient I...
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What’s interesting about this number?
... and why did we put it on YummyMath today? What do you notice about this number? What do you wonder? Do you think that this happens often in a year? The activity: December22:21.pdf CCSS: 4.G.A,...
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Mystical Mathematical Mind Reader
Clicking on this image will take you to the Mind Reader online site at https://www.transum.org/ Last year, Adobe stopped supporting Flash. Since then, our very popular Ghost Whisperer activity (which...
View ArticleFebruary 22, 2022
Why do you suppose we are posting this date as a topic for YummyMath? What do you think is so special about this date? Does this happen often? When might a similar day occur? The activity: 22222.pdf...
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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...
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April Fool’s Day fun
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....
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Passover, Spring, and Easter ideas (10 activities)
This year, as in the year that Jesus died, Passover and Easter coincide. Many scholars believe that Jesus died either one day before or one day after the 14th day of the Hebrew calendar month of Nissan...
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Happy Friday the 13th!
Don't worry, 13 is a Happy number! Students learn a new function and test whether a number is Happy or Sad. The activity: Friday-the-13th.pdf CCSS: 5.OA, 6.EE, 8.F, MP1, MP7, MP8 For members we have an...
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Memorial Day 2022
This Monday, Americans will celebrate Memorial Day. Who are we honoring? How did the holiday come about? Isn't Memorial Day always on May 30th? Students learn a little about the history of the...
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Gauss and our star of stars
Clicking on this image will show it larger in a new window. How many stars are in this image and how did you count them? For members we have a teaching suggestions and our solution sheet....
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At last, its summer again
How much pee is in this pool? - A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn't disguise. In this activity, students calculate volume of several pools, change that...
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