Full text and paper route for… | Year 8 Inquiry · T1 W3–4 · Text Route

The offline tool has a title, rule selector, a labelled whole-number input, Check the model button, result/status area, permanent model-limit notice and a reader-test prompt. The downloadable original works offline, sends no input and stores none; the public library version loads style and script files from this site. Its three rules come from Sources B, D and E. A browser supports keyboard tab/shift-tab, arrow keys in the selector, typing a count and Enter or button activation. Focus is visibly outlined. The result is announced as a polite status where the browser/access technology supports it. Check with the actual learner; this is not assistive-technology certification.

Paper simulation of each rule and limit

Pick one source rule and write a non-negative whole count from 0 to 1000. Reject a negative, decimal, blank, non-digit or larger input with the tool's full message: “Enter a whole number from 0 to 1000 using digits only. Negative numbers, decimals and personal details are not inputs to this model.” Do not put names or real dimensions in the field.
Source B, panels per rail n: one drawn rail uses 24+18n centimetres; two use 2(24+18n)=48+36n centimetres combined. Compare one result to the 96 cm drawn rail. At n4, one is 96 cm and two total 192 cm. Print/say: “This is a paper layout; real wall, clips, gaps and readers are untested.”
Source D, complete demonstrations d: the model uses 5+15d minutes. Compare with 50 minutes. At d3, 50 is within; d4, 65 exceeds. Print/say: “Demonstrations are not people; questions, changeover and access arrangements are unknown.”
Source E, total paper panels p: F costs 12+2p tokens; G costs 4p tokens. Compare each with the invented 30-token budget. At p4, F20/G16; at p8, F28/G32. Print/say: “These are invented listed costs; material quality, waste and availability are unknown.”
Leave a permanent limit card beside the result: “Paper model only. A calculation cannot prove physical fit, safe mounting, material suitability, participation by every reader or a real event schedule.”

Tactile route: Make four raised/labelled cards, in order: SOURCE RULE, INPUT WITH UNIT, RESULT WITH UNIT, MODEL LIMIT. Use separate tokens for one rail versus two combined, minutes versus people, and total panels versus quoted tokens. A partner may move cards as directed but does not choose the learner's conclusion. An invalid-input card contains the exact error above.

Digital Technologies evidence boundary: Paper simulation provides mathematics and source-reading access plus interface-design reasoning. It does not demonstrate that the learner used, tested or modified a browser interface. Record the actual route. Do not count a browser test as program implementation; the optional HTML is already supplied and a wireframe revision is a design proposal unless implemented.