What do you notice about 2023?
What is a Harshad number?
Does 2023 meet the criteria?
Big deal? Rare? Often?
Is 2023 a special number?
Tag: 3rd
Before the holidays (16 activities)
We have tons (well, 16) of activities to bring to your class in this last week before the holiday break. Movies, science, art, cooking, economics, weather and the logic of calendars. Enjoy!
Three Hanukkah activities
Three great activities to play and learn about Hanukkah. Soda displays, Hebrew calendar, and relating two recipes for their healthiness.
The Algebra of Magic Squares
Students examine Magic Squares for how they could help with math computation practice and having fun.
Major announcement !
Whole lot of cookies
Jennifer Fairbanks from Hopkinton, MA sent us this picture of the cookies that she baked in 4 hours using 13 eggs and 5 cups of sugar. Do you see some math here?
Buy, buy, buy and ship (8 ideas)
Here comes Black Friday, Small business Saturday, Cyber Monday and Giving Tuesday. It’s a crazy time of year. Use all of that shopping to educate your students about good deals and how shoppers can be fooled. Is this really 70%…
The size of chocolates
In time for Halloween, students assume that all of our pieces of chocolate are about the same thickness and proceed to approximate their volumes by comparing only their surface areas. Encourage them to create overlapping grids and count the fully and partially-covered cells or use the mean radius method.
Someone ate my cake
In this fraction operation and representation activity, students are asked to decide how much of my cake was eaten. Using fraction multiplication (or angle measure if that is where you need an activity) they find out how much someone owes…
But it didn’t sell?
<span data-mce-type=”bookmark” style=”display: inline-block; width: 0px; overflow: hidden; line-height: 0;” class=”mce_SELRES_start”></span> A&W offered a bigger, tastier burger but it didn’t succeed in grabbing customers away from the hugely popular McDonald’s quarter pounder. The A&W third pounder hamburger cost the same…
Some fun summer activities
These are an assortment of spacial puzzles, artistic math coloring and understanding, order of operations play, and a seemingly magic math game.
4th of July
Hot dog eating; Flag art; Fireworks on your calculator; Creating a 5-pointed star with one cut; and a possible new, 52-star flag.
Gauss and our star of stars
3 Saint Patrick’s Day activities
Are finding four-leafed clovers really hard to do? How much dye does it take to turn the Chicago River green? If you were keeping track of your food intake, how much would a Shamrock Shake cost you?
February 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?