Unit 1 — Foundations of Algebra — printable QR sheet

8 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 8

1.01 — Variables & Expressions

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QR for station 1
Station code 92ed7cf6 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/92ed7cf6/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 2 of 8

1.02 — Adding & Subtracting Real Numbers

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QR for station 2
Station code 30637046 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/30637046/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 3 of 8

1.03 — Multiplying & Dividing Real Numbers

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QR for station 3
Station code fbdc20b5 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/fbdc20b5/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 4 of 8

1.04 — Powers & Exponents

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QR for station 4
Station code 661dc3e8 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/661dc3e8/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 5 of 8

1.05 — Square Roots & Real Numbers

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QR for station 5
Station code 76bad843 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/76bad843/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 6 of 8

1.06 — Order of Operations

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QR for station 6
Station code f5798153 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/f5798153/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 7 of 8

1.07 — Simplifying / Equivalent Expressions

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QR for station 7
Station code 13129820 students can type this at the front page instead of scanning
https://experiments.mrritchey.com/13129820/
Scan → work it on the whiteboard → type the answer → show the summary screen.
Station 8 of 8

1.08 — Unit Review (incl. financial touches)

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QR for station 8
Station code 5c3f0b0a students can type this at the front page instead of scanning
https://experiments.mrritchey.com/5c3f0b0a/
Scan → work it on the whiteboard → type the answer → show the summary screen.