*Explain*.

On Monday, the office staff at your school paid $8.75 for 4 cups of coffee and 7 bagels. On Wednesday, they paid $19.50 for 8 cups of coffee and 14 bagels.

180 Days of Ideas for Discussion in Math Class. (as of 9July2014, we're in overtime!)

In the following scenario, is there enough information to determine the cost of a bagel? *Explain*.

On Monday, the office staff at your school paid $8.75 for 4 cups of coffee and 7 bagels. On Wednesday, they paid $19.50 for 8 cups of coffee and 14 bagels.

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Equilateral triangles tile the plane. Is it possible to select four intersection points that are the corners of a perfect square?
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— James Tanton (@jamestanton) October 18, 2014

Seems as though this UHAUL truck got stuck.

Straightforward question: What's the diameter of that culvert?

Argument: What would have been a better way to phrase that sign so this wouldn't happen?

Dimensions

Straightforward question: What's the diameter of that culvert?

Argument: What would have been a better way to phrase that sign so this wouldn't happen?

Dimensions

- Inside dimensions: 14'6" x 7'8" x 7'2" (LxWxH)
- Mom's Attic: 2'7" x 7'8" x 2'6" (LxWxH)
- Deck height: 2' 10"
- Door opening: 7'3" x 6'5" (WxH)
- Loading ramp width: 2'2"

Quick, how many cans in the pyramid?

Same number of cans, different arrangement.

Because it's Christmas ...

Same number of cans, different arrangement.

Because it's Christmas ...

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