Unit 4 — Functions & Linear Equations — printable QR sheet

11 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 11

4.01 — Intro to Functions

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QR for station 1
Station code ed483e4d students can type this at the front page instead of scanning
https://experiments.mrritchey.com/ed483e4d/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 2 of 11

4.02 — Rate of Change and Slope

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QR for station 2
Station code a6ab9089 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/a6ab9089/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 3 of 11

4.03 — Slope and Slope-Intercept Form (day 1)

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QR for station 3
Station code 5d02c467 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/5d02c467/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 4 of 11

4.04 — Slope-Intercept Form (day 2)

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QR for station 4
Station code fb0643a1 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/fb0643a1/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 5 of 11

4.05 — Direct Variation

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QR for station 5
Station code 65670868 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/65670868/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 6 of 11

4.06 — Standard Form

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QR for station 6
Station code 0d831831 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/0d831831/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 7 of 11

4.07 — Point-Slope Form

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QR for station 7
Station code 538ac36a students can type this at the front page instead of scanning
https://experiments.mrritchey.com/538ac36a/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 8 of 11

4.08 — Converting Between Forms

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QR for station 8
Station code ffb7c1ce students can type this at the front page instead of scanning
https://experiments.mrritchey.com/ffb7c1ce/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 9 of 11

4.09 — Parallel and Perpendicular Lines

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QR for station 9
Station code b02078af students can type this at the front page instead of scanning
https://experiments.mrritchey.com/b02078af/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 10 of 11

4.10 — Scatterplots

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QR for station 10
Station code 65fc8dd0 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/65fc8dd0/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 11 of 11

4.11 — Review of Functions & Linear Equations

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QR for station 11
Station code 076066a9 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/076066a9/
Scan → work it on the whiteboard → type the answer → show the summary screen.