tags: 4.OA

tags: 4.OA
We found 36 post available for you

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...

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...

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?  ...

Raising the bar

Algebra Number Sense Science Ratio and Proportion
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor.  Let your students get a fe...

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...

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...
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