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Sadly, Jorge passed away yesterday.
Algebra Number Sense Ratio and Proportion Probability and Statistics
He was a great dog!  We wondered how old he was in human years? Jorge has been part of YummyMath for a long time. Sadly, yesterday he died.  We wondered how old he would ha...
Data and Probability 6.EE.9 7.RP.2 6th 7th 5th 4th 4.OA.5 5.OA.3 Proportionality dogs pattern

Pascal coloring and modular math
Number Sense Geometry Social Studies Art
In this activity students have the opportunity to color as they investigate Pascal's triangle and the many useful patterns that it shows. The triangle is explored for patterns, coloring...
art MP3 MP8 5.OA 6th 7th 8th HS 5th 3rd 4th 4.OA 3.OA Pascal's Triangle Modular math clock math pretty math

Star Wars ... the story continues
Number Sense Ratio and Proportion Probability and Statistics
The Rise of Skywalker will open on December 20, 2019.  How much did it cost to make?  How much will it gross? Is the Star Wars phenomena a guarantee for success?  How would you c...
7.NS.3 MP3 5.NBT.5 6.NS.2 6th 7th 8th HS 5th 4th 5.NBT.6 4.OA.3 4.NBT.5 unit pricing 4.OA.2 inflation conflict net profit dollars spent to dollars earned 4.NBT.6

Does it pay to get educated?
Number Sense Social Studies Ratio and Proportion Probability and Statistics
 This activity is currently being updated…stay tuned! (May 2026)   Why should students do well in school, graduate high school, or go on to college?  In this activity median e...
bar graph data analysis 6.RP.3 6.SP.5 6.SP.3 7.SP.4 6.NS.3 6.SP.4 MP1 MP3 comparisons 5.NBT.5 6th 7th 8th 5th Math and Social Studies Number Sense Ratio and Proportion 4.OA.2 4.OA.2

Want to earn $150,000? - Mersenne prime search
Algebra Number Sense
What's a Mersenne prime?  How hard could it be to find the next one? Why are there only 50 known Mersenne primes?     What's with $150,000?
6.EE MP1 MP7 MP8 prime numbers 8.EE 5.OA 6th 7th 8th HS 5th 4.OA MP5 exponent create equations

Cubs bury curse !
Number Sense Sports
  Wow!  It's been a long time coming.  The Chicago Cubs just won the World Series! The last time they won the World Series was in 1908 (For some perspective, that is the same time ...
Data and Probability baseball 6th 7th 8th 5th 4th 4.OA.A MP5 6.RP.A 7.RP.A MP6 7.EE.B Cubs Chicago time unit conversion

Another year of Never Ending Pasta (Updated)
Algebra Number Sense Food
Updated – 2025/2026 Olive Garden again offered a $100 pass for never-ending pasta!  The 21,000 patrons who quickly (in less than a minute) bought all of the passes will be entitled to as muc...
5.NBT.7 MP3 6th 5th 4th 4.OA.3 MP4 food Business

Which is the best deal?
Algebra Number Sense Food Ratio and Proportion
How do you calculate and justify which deal is a better savings?  By dollars saved?  By percent saved? By some other measure? Looking at 4 different deals, students will need to...
5.NBT 6.RP 7.RP 6.EE 6th 7th 5th 4th 4.OA 4.MD.A sale 7.EE.A 4.NBT percent discount savings percent

How Many Donuts is That?
Number Sense Geometry Food Holidays 3-act tasks Probability and Statistics Wow factor
Act One:  Take a look at the first picture (Krispy-Kreme-photos). What is the first question that comes to mind? How many donuts is that?  What information would be useful?  ...
estimation Volume 6.RP.3 7.G.1 reasoning 6.G.1 7.G.6 MP1 MP2 MP3 MP7 6th 7th 5th 4th 5.MD.5 4.MD.3 4.OA.3 4.NBT.5 MP6 6.G.2 3-act task 5.MD.3

Cicada swarmaggedon
Algebra Number Sense Science
Most of the life cycle of the Magicicada Septendecim is spent underground.  Then at 17 year intervals, these cicadas emerge from the ground, climb deciduous trees, molt into a...
patterns 6.NS.4 prime numbers cicadas life cycle magicicada septendecim biology 4.OA.4 elementary 6th 7th 5th 4th

The tallest structure made of Legos
Number Sense Social Studies Art Ratio and Proportion 3-act tasks Probability and Statistics
Act One: The world record for the tallest structure made of Legos was set in Seoul, South Korea.  Check out this video on youtube! What other questions do you have? Act T...
Data and Probability problem solving Unit rate data analysis estimation average 6.RP.3 7.NS.3 5.NBT.5 4.OA.4 6.NS.2 6th 7th 5th 4th 3-act task
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