Know what each child got wrong, not just what they scored.
The evening helper, running here in your browser. It knows what is open homework tonight — try to get the answer out of it.
Iyer Ma’am’s helper
class 10-A · Pair of Linear Equations in Two Variables · nine in the evening
- recognised
- Tonight's homework · Ch 3, Q4 · class 10-Aword for word
- what it does
- Will not give the answer while it is open homework
- says
- Locked till Friday 8 am — same for all of 10-A.This is Q4 from tonight's homework, so I can't say the final answer yet. Everything else is open:Honestly? You're usually one step from these. Copying gets you tonight; solving gets you March.
Matched in your browser, on the code the product ships · replies scripted
A mark describes. A mistake acts.
Maths: 89
- · Forms the equation wrongly in word problems — setup, not solving · 4 of his last 6 lost marks
- · Paired the 9 with its own side in cross-multiplication · Ch 3, Q4 · still open
— and each stays open until he solves the same thing again, unaided.
That number is the whole stored truth about Aarav Deshmukh’s mathematics — class 10-A, roll 7. His teacher saw the mistake behind it four times and wrote a number.
Seen four times. Recorded zero times.
Forming the equation — only one of the two ages reduced by five
Q17 · Periodic Test 2 · Mathematics · Class 10-B
- namedAgainst line 3 of her marking scheme, pointing at the line of his working
- counted19 of 34 in this section · 11 identically
- taught againTen-minute reteach + 6 aimed questions · approved by M. Iyer · 6 Aug
- closedOne more like it, solved unaided
A teacher’s week, arriving already drafted.
Six real screens from Vidya Vihar Sr. Sec., in the order a week runs.
Periodic Test 2 · Mathematics · Class 10
40 marks · 90 minutes
internal choice in C and D · the marking scheme comes out with the paper
Next week's paper, to her own pattern
Periodic Test 2 · Mathematics · Class 10-B
34 of 38 copies · photographed and uploaded
4 did not scan — named, and waiting for her
Copies checked point by point
Practice set — writing the equation before you solve it
6 questions · from Periodic Test 2 · Mathematics · Class 10-B
draft · nothing has reached a student
The reteach, drafted off those copies
Solved with help, then solved alone
class 10-A · Pair of Linear Equations in Two Variables
74%
of problems solved with help were later re-solved unaided
a sample group of students in this demonstration · 6 weeks · 61 helped solves
What an evening of doubts gives back
To Mr. Suresh Iyer
Lakshmi Iyer · 51 words · fortnightly
Solved 22 of 66 maths problems unaided this fortnight.
Introduction to Trigonometry is her weaker chapter right now, 61% learnt.
A good five minutes at home: ask Lakshmi to walk you through one Introduction to Trigonometry problem from this fortnight, start to finish.
Nothing is sent from this build. Every note here is a draft.
A note home a parent can act on
One section, one chapter, one gap
raised from this school's own marked sittings
11-B Mathematics — students score 9 points lower on Trigonometric Functions than on the rest of the subject
a proposal, not a verdict — the evidence sits under each
Where a section is behind, and why
Introduction to Trigonometry is the weakest — 55 against 60. The flat tracks are chapters not yet reached; a helper will not go there first.
Every section, on one screen.
The same records, rolled up. Any box opens to the sitting it came from.
The colour runs across the range these boxes occupy — 54 to 71, not a full hundred. Dashed: no sitting behind it yet. Blank: a subject that section does not take.
Every teacher has a model of how she teaches. Her students get it.
Meenakshi Iyer has taught mathematics for 24 years. That judgement lives in one head, reaches her 168 students unevenly, is unavailable at nine in the evening, and retires when she does.
The helper is taught by her ordinary work. She never writes a prompt.
Her own papers, her own marking scheme, her own corrections — and no student may speak to it until she has approved what it understood.
One override, three consequences
Periodic Test 2 · Mathematics · Class 10-B
She changes a mark
She overrules the helper on one copy, and answers one question: does she mark this differently, or was the handwriting misread?
Her answer becomes a rule
Only the first kind becomes ML-014 — scoped to her class 10 sections, versioned, hers to retire.
The rest of the lot is re-checked
Applied to 11 more copies, each showing the rule that touched it.
ML-014 · versioned, scoped to her class 10 sections, hers to retire
Ten teachers. Ten helpers. None of them sound alike.
Each one is shaped by the teacher it came from — her subject, her years, how she explains, and how hard she is to satisfy. A child talking to Nair Sir’s helper is not talking to Iyer Ma’am’s.
Iyer Ma'am’s helper
Mathematics · 24 years
“Formula pehle, marks baad mein — show me the working.”
brisk and exacting
exam tacticalhow hard to satisfyEnglish with Hinglish asidesNair Sir’s helper
Physics · 4 years
“Feel it before you formula it.”
enthusiastic, quick to reach for a demo
hands onhow hard to satisfyEnglish, energeticD'Souza Ma'am’s helper
English · 16 years
“Say it in one line first, then earn the second.”
precise, a red pen for a mind
editorialhow hard to satisfyEnglishSheikh Sir’s helper
Social Science · 11 years
“Every date is hiding a reason. Find the reason.”
storyteller, dates as anchors for causes
narrativehow hard to satisfyEnglish with Hindi terms for local contextDr. Rao Ma'am’s helper
Biology · 21 years
“Label it before you explain it.”
methodical, diagram before description
diagram firsthow hard to satisfyEnglishDeshpande Ma'am’s helper
Chemistry · 9 years
“Balance the equation before you balance the argument.”
hands-on, reaction first
hands onhow hard to satisfyEnglishSethi Sir’s helper
Computer Science · 6 years
“Run it. The error message is already telling you.”
terse, run it and see
hands onhow hard to satisfyEnglishAnsari Ma'am’s helper
Hindi · 14 years
“Poora vaakya likho — poori baat kaho.”
warm, insists on complete sentences
narrativehow hard to satisfyHindi with English asidesVerma Ma'am’s helper
Science · 8 years
“Same reaction happens in your kitchen — just slower.”
curious, connects the chapter to something in the kitchen
analogyhow hard to satisfyEnglish with everyday Hindi examplesNagarkar Ma'am’s helper
Mathematics · 7 years
“Ek step chhoti hai to theek hai — chhodna nahi hai.”
patient, breaks a step into two
socratichow hard to satisfyEnglish with Hinglish encouragement
A teacher who takes two subjects has two helpers, because she does not teach them the same way. No child may speak to any of them until that teacher has read what it understood about her method and approved it.
Is it one helper wearing ten name plates?
Two things move, and they move independently. Whose helper it is decides how the answer sounds — Iyer Ma’am is brisk and exacting, Verma Ma’am reaches for something in the kitchen. Who is asking decides what it says — because the helper is reading that child’s own record of mistakes, not a profile she filled in.
Both teachers take Class 10-A and 10-B, so all four pairings are a real timetable. Aarav loses marks forming the equation, never solving it. Ishita’s practice thinned three weeks before her marks moved. The same six words from either child come back different.
Neither helper answers Q6 for them. That is the other promise, and it holds here too.
The same question, asked four ways
Both teachers take Class 10-A and 10-B. Both children are in one of them.
Whose helper
Who is asking
Aarav asks
I got Q6 wrong. Where did I go wrong?
Iyer Ma'am’s helper answers Aarav
You paired the 9 with its own side. Cross-multiplication pairs each number with the other side's bracket — so it is 11(x + 2) = 9(y + 2), not the other way round. Same gap as last week: forming the equation, not solving it.
Iyer Ma'am is brisk and exacting. Aarav averages 89% in maths — and 4 of his last six lost marks were setup, not sums.
Every number we have, and where it was measured.
None of it is measured across schools running LaunchWings — there are none, and it has not yet run a school year. Schools signed, students served, hours saved: we will not invent them.
- 74%
solved with help, later re-solved unaided — the rate a pilot would be judged on
a sample group of students in this demonstration · 6 weeks · 61 helped solves
- 19 of 34
lost the same mark on Q17 — 11 identically. A count nobody marking copy by copy can take
Periodic Test 2 · Mathematics · Class 10-B · every count a recount of these copies
- 34 copies
checked against her own marking scheme · 6 set aside for her · 11 re-checked under ML-014
11 minutes of machine time · 25 minutes of her review · about 4 hours by hand
- 40 minutes
a week, in place of 7.5 hours across her 168 students
an estimate from the timings above at her weekly load — not a week we have measured
The whole of it, inside one school · 820 students · 21 sections · 24 teaching staff · 10 weeks into the 2026-27 session
Built to CBSE’s actual machinery — not localised to it.
- Question papers
- blueprintHers, with the marking scheme alongside.
- Copy checking
- point by pointEvery mark opens to the handwriting.
- Portion
- per sectionA helper never runs ahead of the class.
- Assessment calendar
- 2026-27April to March. Boards weighted.
- Chapter names
- current NCERTRationalised syllabus, classes 9 to 12.
- Homework integrity
- 83%Close to tonight's, and it is regenerated.
- Setting up
- 791 of 82332 set aside for a person.
- Children's data
- DPDP 2023No profiling, no training on student data.
A real instrument proposes its own experiment.
One section. Six weeks. Reviewed at week three and week six.
If they are not solving more without help by week six, throw us out.
Write to us about a pilot- named mistakes closed unaided
- the only figure we would ask to be judged on
- asks that go straight for the answer
- 13%, from 40% at the start · demonstration data
- teacher hours returned
- 7.5 hours a week becomes 40 minutes of review
The same record, aimed at what the child is actually for.
A CBSE school’s gravity is the board exam, and behind it JEE and NEET. A named mistake is the only record that can be re-aimed at a different target without being rewritten — the four steps do not change, the weight on each chapter does. A marks-only record cannot be re-aimed at anything.
Aarav Deshmukh · class 10-A · Pair of Linear Equations in Two Variables · one chapter under three targets
Board exam
- explain 2
- worked example 3
- drill 4
- checkpoint 1
Every mark in the blueprint, and the step patterns a board paper actually rewards.
Nothing past the portion.
JEE
- explain 1
- worked example 2
- drill 3
- checkpoint 1
- stretch 3
Fewer formation drills, more problems that hide the equation two steps deeper than a board paper would.
Past the portion — and labelled every time it goes there.
NEET
- explain 1
- worked example 2
- drill 5
- checkpoint 2
Speed and accuracy against a clock, because the paper is won on the questions you do not stall on.
Inside the portion, against a timer.
A target the child chooses
Boards, JEE or NEET, set with the class teacher. The study plan re-weights itself against it.
Direction out of evidence
Not a personality quiz — which subjects a child actually closes mistakes fastest in.
Past the portion, deliberately
For the child who is ready, the helper goes beyond the syllabus and marks that it has.
A record that follows the child
The same named mistakes from class 6 to 12, so a new teacher inherits the working.
The parent's own view
What closed this term, what did not, and the one thing to do at home.
The school's year, counted
What its teaching put right — a fact about the school, not a ranking of its children.
Would you like to watch it run?
30 minutes on Google Meet, through the parts your own staff would touch. Nothing to install, no class list to send us.
Vidya Vihar Senior Secondary School, Indore — 820 students, 21 sections, week 10 of 2026-27. Every student, mark and conversation in it is authored; nothing is a real school’s record. The product is built and working; it has not yet run a school year.