{"id":"dat-hs-bake-sale-totals","audience":"high-school","category":"data","technique":"verification","title":"Total up a bake sale tally and show the math","free":false,"task":"You're junior class treasurer and need to post bake sale sales in the officers' group chat. Write exactly 3 numbered lines, one per item, each showing the math (daily counts added up, then units x price = dollars), then one unnumbered last line: Total sales: $X. Apply the notes on the tally sheet, keep the donation out of sales, plain text, under 70 words, nothing else.","materialLabel":"Tally sheet (attached to your prompt automatically)","material":"JUNIOR CLASS BAKE SALE - tally sheet (Ms. Ortiz's room)\nPrices: Cookies $1, Brownies $2, Cupcakes $3\n\nDay | Cookies | Brownies | Cupcakes\nMon | 40 | 22 | 10\nTue | 35 | 18 | 12\nWed | 52 | 30 | 15\nThu | 28 | 16 | 9\n\nNotes (Jordan + Kayla):\n- Wed cookies: 12 of those 52 went free to the teachers' lounge as a thank-you. They were not sold.\n- Thu cupcakes: Jordan wrote 9 but the cash box count says only 6 were sold (3 got dropped). Use 6.\n- The cash box also had a $20 donation from Mr. Lee's parents. That's a donation, not a sale.\n- Prom committee says their sale made $640 last spring. We're not competing (we are).\n- Next year let's add Friday and maybe lemonade.\n- Kayla's mom can lend us the folding table again.","rules":[{"type":"numberedItems","count":3},{"type":"plainText"},{"type":"maxWords","max":70}],"mistakes":[{"title":"Ignoring the notes","why":"The AI adds the table as-is, so the free cookies and dropped cupcakes get counted as sales.","fix":"Add: \"Apply the notes first: remove the 12 free cookies and use 6 cupcakes for Thursday.\"","checks":["r0"]},{"title":"Not asking to see the work","why":"The AI gives bare totals, so you can't spot a wrong sum before you post it.","fix":"Add: \"On each line show the daily counts added up, then units x price = dollars.\"","checks":["r1","numberedItems"]},{"title":"Mixing in the donation","why":"The AI sees $20 in the cash box and folds it into sales.","fix":"Add: \"Keep the $20 donation out of the sales total.\"","checks":["r2"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting. Ask for a total word limit and it often lands over it.","fix":"Cap each part: \"Each line under 18 words, nothing before or after.\"","checks":["maxWords"]},{"title":"Forgetting where it goes","why":"AI loves markdown tables and bold, which show up as clutter in a group chat.","fix":"Add: \"Plain text, no bold, headings or tables.\"","checks":["plainText"]}],"promptHints":[{"label":"Applies the notes","patterns":["notes?","free","dropped|use 6"]},{"label":"Says how many lines","patterns":["\\b(3|three)\\b.{0,20}(lines|items)","numbered"]},{"label":"Asks to show the math","patterns":["show (the |your )?(math|work)","x \\$|\\bx\\b.{0,10}=","calculation","step"]},{"label":"Sets a word limit","patterns":["\\d+\\s*words","word (limit|count)","under \\d+"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown","no formatting","no (headings|tables)"]}],"hint":"The table alone is wrong. Tell the AI to apply the notes, show the math on each line, and keep the donation separate.","rubricLabels":["Cookies are 143 sold for $143 (Wednesday counted as 40 after removing the 12 free ones) and Cupcakes are 43 sold for $129 (Thursday counted as 6, not 9)","Each item line shows the math: the daily counts added up and units x price = dollars (Brownies 22 + 18 + 30 + 16 = 86 x $2 = $172)","The last line gives total sales of $444, with the $20 donation not added in, and there is no intro or closing line"]}