06 · Circles [CP2] — printable QR sheet
6 stations, one per page. Print (portrait), post one at each station.
Talk-it-through problems take any real attempt for credit; timed problems gate hint 2 at 30 s
and Reveal at 60 s past that.
Printer tip: Ctrl/Cmd-P → portrait → “Background graphics” on if you want the flavor colors.
Station 1 of 6
6.1 — Circle Vocabulary
Mild Medium Hot Spicy
Station code
a408a3d2
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/a408a3d2/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 2 of 6
6.2 — Central, Inscribed Angles & Chords
Mild Medium Hot Spicy
Station code
c956e408
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/c956e408/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 3 of 6
6.3 — Clock Angles
Mild Medium Hot Spicy
Station code
1d4fbbe4
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/1d4fbbe4/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 4 of 6
6.4 — Tangent Properties
Mild Medium Hot Spicy
Station code
d7ddae6e
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/d7ddae6e/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 5 of 6
6.5 — Cyclic Quadrilaterals
Mild Medium Hot Spicy
Station code
8e41b939
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/8e41b939/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 6 of 6
— Review (T6)
Mild Medium Hot Spicy
Station code
239f19b3
students can type this at the front page instead of scanning
https://geo-stations.mrritchey.com/239f19b3/
Scan → work it on the whiteboard → type the answer → show the summary screen.