What is interesting about the number, 12 22 21 … and why did we put it on YummyMath today?
What’s interesting about this number?
Tag: 5.OA
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 incredible mathematics involved in creating a…
Labor Day 2021
What is this holiday about? Are we celebrating the start of school? New cars? The end of summer? Students look for patterns in the history of Labor Day dates. They then use those observed patterns to predict future dates of the holiday.
Memorial Day 2021
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 holiday, analyze the possibilities and patterns for when it is celebrated and make observations about the incredible numbers of deaths that have been caused by war.
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 that…
How much did the tooth fairy give you when you lost a tooth?
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 tooth lost especially remunerative? Look at historical averages and check out how you did.
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?
Ravensburger huge puzzle
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.
Labor Day 2020
What is this holiday about? Are we celebrating the start of school? New cars? The end of summer? In this short activity, students learn about the intended meaning of Labor Day as they read about its origin. For the mathematical…
USPS needs help!
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.
How fast will my new puppy mature?
There is a new dog aging formula that depends on methyl markers that adhere to the DNA molecules of living things. Now we know that dogs don’t age as we thought that they did.
Does the new “Most Stuf” Oreo have an exorbitant amount of stuf?
How much more “stufed” are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gross? Why are they filled with creme and not cream? Maybe Nabisco’s employees can’t spell. What do you think?
Pascal coloring and modular math
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!
The Forever Roll
Why would anyone need such a big roll of toilet paper? How does it compare to Charmin’s other toilet paper products? If this roll lasts for one month, how big a roll would I need to be able to last for one year?
What’s the answer?
Math doesn’t usually create a buzz on Twitter. This past week this post did just that. People argued online about whether the answer was 16 or 1 and proceeded to insult each other’s intelligence in doing so. Use our write-up…