## Geometry Files: More Triangles? Are you serious?

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Yes, I’m totally serious.  (see more files and FAQs here)

But we already did triangles, you say. Sure, we looked at congruent triangles, but did we look at stuff that can happen inside triangles?!?!  There’s a lot of good discovery activities for these rules, also here are some rudimentary geogebra files I made:

(files: medians, perpendicular bisectors, angle bisectors) then we can solidify everything:

(file here) Oh, plus there’s this weird thing about medians:

I make mine draw out and label the median for each problem; the visual seemed to help a lot of them see the relationship between what was given and what we need.

Homework:

Then let’s put all this together!

(file here) “Boy, Meg, sure wish there was a powerpoint to go along with this!”  Why, it’s your lucky day!

Then another powerpoint for exterior/interior angle and angle/side inequalities:

Then I guess I did more stuff with possible sides of a triangle?  Then some practice:(file here) wiiiiiiiith powerpoint!

And more inequalities!!

ARE WE DONE WITH THESE TRIANGLES YET?!?!?!?!

Yes!  Now just a review!

(file here) and powerpoint:

Finally!  There can’t be anything else we can do with triangles, right?!?!  (Shh…we won’t talk about trig coming up, ok?)

Category: Geometry | Tags: ,

## Geometry Files: Triangle Congruence

(see more files and FAQs here).  So, I’m really concerned that I’m losing my mind, or at least at lot of my Geometry files. So what I do have today requires a bit of imagination on your part.

Imagine there’s a notetakermaker that goes with this powerpoint:

(powerpoint file here). The bottom three are from the end of the lesson where we practice identifying corresponding congruent angles before we even worry about proofs yet.

I bet the worksheet you imagined looked something this one, which was the next day’s practice:

(file here).  YES, those triangles are pre-marked and labeled. YOU’RE WELCOME.

Now imagine that I did some sort of awesome introductory activity before jumping into congruence:

More congruence:

Now let’s do this FOR REAL

(file here)  What’s that you say about those gorgeous Geogebra graphics? I’m blushing!

And some more!

(file here). Why yes, I am a sneaky devil putting the same picture for the last four, just with different givens!

Now this is the world’s most superfluous handout:

(file here) Yeah, good thing I made a handout so they didn’t have to draw FIVE triangles!  Whew!

You’re going to have to imagine another worksheet for this powerpoint, or you could just use it for whiteboard review:

(file here)  I know, I can’t believe it took me this many posts to figure out snipping the slide sorter view was better than a single slide.

Now imagine a study guide with everything typed in:

(file here)  If you’re having trouble imagining it, maybe this powerpoint will help:

(file here).  Also, let’s take a moment to discuss how I’m not imagining things when I’ve been saying that my home powerpoint acts weird.  See how you can see the previous screen behind the slides?  Does anyone else have this issue?

Now imagine that this blog has a counter for “____ hours saved by using Meg’s files and not making my own Geometry diagrams,” what do you think the total number would be?  😉

Category: Geometry | Tags: , ,