Come for:

1. Some difficult Pythagorean Word Problems
2. A discussion of the distance formula.

Stay for:

1. Some really pretty slide work.
2. Some really sturdy distance formula scaffolding.

Materials

1. None

Attachments

• Keynote
• PowerPoint
• Interactive QuickTime
• PDF
• Concept Quiz #20

Slide Deck

Louisianans, Mainers, Nutmeggers, New Jersey-ites, Bay Staters (Massholes, more locally).

I cut the word problem assignment waaay back. Painful.

Ask if the baseball bat (34 in.) fits in vertically. Where’s the right triangle?

Didn’t get to this.


Monterey Bay, CA.


I want to know the distance, by air, from Pebble Beach to the Presidio. Each box in the grid is a square mile. (Not true, but let’s roll with it for argument’s sake.)

They’ll count squares here.

They’ll count squares here too.

Here, they can’t count squares. So what do you do?

Give what they’ve done on the last several problems, have them derive the formula.

Again we’re Pythagorizing, but looking for a rule, a pattern.

Notes & Revisions: