V15 · Full text alternative
Worked teacher demonstration for Day68, 'Compare the same amount'. Brief: Offer A is six blank pens for a pretend $18. Offer B is four blank pens for a pretend $16. Exactly 12 pens are required; whole packs only. Number sentence: 2 × $18 = $36; 3 × $16 = $48. Meaning: Both plans provide exactly 12 pens. Offer A costs $36, which is $12 less. Its unit cost is $3 per pen; B is $4 per pen. This provided teacher example contains no learner work, real price or real transport capacity. The complete labelled model must preserve these quantities.
Actual original source candidate geometry: OfferA has two outlined packs each holding6solid circular pen marks at$18perpack; OfferB has three packs each holding4marks at$16. Both represent12pens. Complete teacher labels show fullcosts36/48and unitcosts3/4dollarsperpen. This ordinary Day68source is distinct from assessment C15/C16. No external imagery, logo, cultural design, learner work or actual observed result is included. Original vector and PNG are locally generated; different art/native/print/classroom review remains pending.