### tags:5.OA,5.OA.1,5.OA.3

tags: 5.OA 5.OA.1 5.OA.3
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Image by Twitter user @pjmdoll.  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...

#### Weird wing prices

Clicking on this image will show it larger in a new window. Danny's Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this w...

#### Sol LeWitt's pyramid - How might you count those blocks?

Sol LeWitt, Four Sided Pyramid, 1999, Hirshhorn Museum Sculpture Garden, Washington DC Sol LeWitt (1928 - 2007) was a an American artist involved in Conceptual art and Minimalism. &n...

#### Fibonacci coloring

Let your students simply enjoy coloring our designs or artistically play with the whole creation of Φ designs. Simply coloring our Fibonacci patterns might allow students to ponder th...

#### Want to earn \$150,000? - Mersenne prime search

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?

#### Saffron and paella

In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice.  It was hugely expensive.  So, I've decided to start a business of growing saffron and becoming immen...

#### Scoring Olympic ski jumping

The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges.  Let your students learn more about the scoring of one event and deci...