Circles in Space! (Geometry: Circles)

COVID has given me plenty of time to dick around on my computer, and with that, I have finished a few of the Geometry breakout boxes that have been kicking around in my brain this spring.  The first one I wanted to share is designed to serve as a formative assessment for a circles unit in a Geometry class.  To run this one, you’ll need the big box, the hasp and four locks (5 digit color, 3 digit number, 4 digit number, 5 digit directional)

To run this box, you will need the following locks set to match the following clues

5 digit color lock (set to Purple Green Orange Brown Blue)

This first clue uses planet imagery to assess sector area.  Venus, Earth, Jupiter, Saturn and Uranus all feature a sector with an area greater than 100 square units.  Make Uranus jokes at your own peril.

3 Digit number lock (Set to 154)

This clue takes a little bit of work to assemble, but it does a good job of assessing arcs, central and inscribed angles.  If you cut out the “hatch” circle on the page to the left, and attach the spinner (right page) with a brad, students can spin this clue to reveal the clues about arc PTN one at a time through the “hatch” cutout. (sorry for the poor photo quality, but you get the idea)

4 Digit Number (Set to 6840)

This clue is an angle chase.  Can students use supplementary angles, triangles, arc measurements, central angles, and inscribed shapes to track down the teal and orange angles?

5 digit direction lock (set to up right down right down)

The final clue here should be the easiest one, and it involves lots of the circle ideas that students have (hopefully) mastered around area and circumference.  Once they solve the red knob, they follow their answer to the next knob.

If you have any ideas for other clues that would fit with this content and this theme, hit me up on twitter. I’m always looking for more ideas.  Otherwise, below is a ppt and pdf of the clues explained above.  Enjoy!

(Note: a previous version of this post had a mistake on the spaceman puzzle. Apologies if you downloaded that version!)