{"id":"dat-tch-gradebook-export-check","audience":"teachers","category":"data","technique":"verification","title":"Check a gradebook export by recomputing weighted grades","free":false,"task":"Your gradebook export's Final column looks off. Recompute each student's grade (tests 50%, homework 30%, participation 20%), dropping excused work from averages. Write exactly 4 numbered lines, one per student, each showing the weighted math and the rounded grade, then Matches or Wrong compared to the export. Plain text, under 140 words.","materialLabel":"Gradebook export (attached to your prompt automatically)","material":"PERIOD 3 - ALGEBRA I - Quarter 1 export (GradeNest)\nWeights: Tests 50%, Homework 30%, Participation 20%\n\nStudent | Test 1 | Test 2 | HW 1 | HW 2 | HW 3 | Participation | Final (export)\nAmira K. | 88 | 92 | 100 | 90 | 80 | 95 | 91\nBen T. | 70 | 80 | 60 | 0 | 90 | 80 | 69\nCarmen V. | 95 | 85 | 100 | 100 | 100 | 70 | 89\nDario L. | 62 | 74 | 80 | 70 | 90 | 90 | 72\n\nNotes:\n- Ben's HW 2 is marked EX (district band event). GradeNest exports EX as 0.\n- Dario's Final was hand-entered after a parent meeting.\n- Progress reports go home Friday.\n- Carmen asked about extra credit. Not offered this quarter.","rules":[{"type":"numberedItems","count":4},{"type":"plainText"},{"type":"maxWords","max":140}],"mistakes":[{"title":"Trusting the export","why":"The AI copies the Final column or only spot-checks it.","fix":"Add: \"Recompute every grade yourself, then compare it to the export.\"","checks":["r2"]},{"title":"Counting the excused zero","why":"The AI averages Ben's 0 in, which reproduces the export's mistake.","fix":"Add: \"Drop Ben's excused HW 2 from his homework average.\"","checks":["r1"]},{"title":"Not asking to see the work","why":"A bare number is hard to defend to a parent.","fix":"Add a line to copy: \"1. Amira: 90 x 0.5 + 90 x 0.3 + 95 x 0.2 = 91 (Matches)\"","checks":["r0","numberedItems"]},{"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 line: \"each line under 30 words.\"","checks":["maxWords"]},{"title":"Forgetting where it goes","why":"AI loves markdown tables and bold, which show up as clutter in a note to your department head.","fix":"Add: \"Plain text, no bold, headings or tables.\"","checks":["plainText"]}],"promptHints":[{"label":"Gives the weights","patterns":["50\\s*%|0\\.5","weight"]},{"label":"Handles the excused work","patterns":["excus","drop","ben"]},{"label":"Asks to show the math","patterns":["show (the |your )?(math|work)","x \\$|\\bx\\b.{0,10}=","calculation","step"]},{"label":"Asks for a verdict","patterns":["match","wrong","compare","correct or"]},{"label":"Asks for plain text","patterns":["plain","no bold","no markdown","no formatting","no (headings|tables)"]}],"hint":"Don't ask whether the export is right. Ask the AI to recompute each grade with its math shown, then compare.","rubricLabels":["Each line shows the weighted math (test average x 0.5 + homework average x 0.3 + participation x 0.2)","Ben's homework average is 75 (the excused 0 dropped) and his grade is 76","Grades are Amira 91, Ben 76, Carmen 89, Dario 76, with Amira and Carmen marked Matches and Ben and Dario marked Wrong"]}