Dyeing eggs with food coloring – Students use the chart on the back of a food dye package to compare the strangely different recipes listed for coloring a cake, icing, or dyeing eggs. They look for and create equivalent ratios…
Challenges for April Fools Day
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 …
Is 2023 a special number?
What do you notice about 2023?
What is a Harshad number?
Does 2023 meet the criteria?
Big deal? Rare? Often?
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!
The Algebra of Magic Squares
Students examine Magic Squares for how they could help with math computation practice and having fun.
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?
What time should I wake up?
Surprise Mother’s Day breakfast in bed! I think she would like orange juice, scrambled eggs, biscuits, and hot coffee. I’ll add some flowers from outside and fruit to make it look fancy. Of course I want the hot food to all be hot when I serve her. When should I wake up in the morning to do all of this?
April Fool’s Day fun
Try one of these 4 activities on April Fools Day. Where did that extra dollar go? Mystical Mathematical Mind Reader; perplexing missing square in the triangle; and Robert Kaplinsky’s foil prank.
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?
How much did it cost to make?
How much will it gross?
Is the Spider-Man phenomena a guarantee for success?
How would you compare all of the Spider-Man movies?
Mystical Mathematical Mind Reader
The GHOST WHISPERER now has a replacement!!!! John Tranter of Transum Mathematics has created the Mythical Mathematical Mind Reader and we’ve updated our activity to accompany the fun.
What’s interesting about this number?
What is interesting about the number, 12 22 21 … and why did we put it on YummyMath today?
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…
Will our U.S. flag change yet again?
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?