Where children build
real number confidence.
Vidya is the number confidence school for kids 8-16. Three AI specialists plus a real teacher build speed, accuracy, and number sense using Bharati Krishna Tirthaji's Vedic Maths system — and translate every skill into stronger school-math performance. Honest progress, no shortcuts that hurt understanding.
No credit card · 14-day trial · Cancel anytime
This week
Level 2 · Week 5 of 12
Mastery
62%
- Speed18 problems/min (was 11)
- Accuracytwo careless errors this week
- School-math transferfractions next bridge
Today: Multiplication tables 11-15 · 10 min · all done mentally
On trackThree answers parents ask. Without the sales pitch.
Who it's for
Children ages 8-16. From a hesitant 3rd-grader to a teen prepping for SAT — Vidya places your child at the right level after a 15-minute diagnostic and grows with them through six structured levels.
Block 1 of 3What you'll see
Speed gains (problems-per-minute), accuracy gains, and transfer to school math — measured and reported weekly. Plus a named teacher running a small live cohort and an AI coach that never gives away the answer.
Block 2 of 3How it works
Daily 10-minute practice. One live cohort class per week with a real teacher. Three AI specialists run the six-step loop behind the scenes. You get a Sunday insight report with one number that tells you the truth.
Block 3 of 3
Built for parents who don’t want to be sold to
- COPPA + FERPA + GDPR posture
- Bharati Krishna Tirthaji's sutras · attributed
- AI Charter published before launch
- Struggling student → teacher reach-out
- Weekly insight report · downloadable PDF
- 60-day measurable-improvement guarantee
- Frontier AIreasoning
- Stripepayments
- Supabasedata layer
Vidya is one of nine consumer verticals in the Cosmos369 platform. Same compliance discipline. Same engineering standards. Built specifically for math education and the trust parents demand.
Three AI specialists.
One human teacher.
Vidya runs the same trinity used across the Cosmos369 platform. One specialist finds where your child actually is. One designs the path forward. One protects the daily habit. They work together; the human teacher leads. AI never replaces the teacher — that's a bright line in our AI Charter.
- 01·Sees
Assessor
Origination · perception · honest diagnosis
Runs the 15-minute diagnostic that places your child at exactly the right level — and tells you honestly what they're strong at and where they need work.
- 20 adaptive questions · speed + accuracy + concept-coverage
- 5 school-style transfer questions (fractions, decimals, ratios)
- Confirms placement with you and the teacher before starting
Your child's placement
Level 2 · strong on tables, gap in subtraction speed
- 02·Decides
Curriculum Architect
Harmony · synthesis · runs the six-step loop
Designs your child's 12-week regimen — which sutras, which problems, what to practice today — based on the diagnostic and weekly progress.
- 12-week regimen · 6 levels mapped to age and current ability
- Daily 10-minute practice + weekly bridge to school math
- Sutras introduced by pattern first, shortcut second
This week
Tables 11-15 · Nikhilam intro · fractions bridge
- 03·Guards
Practice Partner
Completion · audit · reversibility · monitoring
Shows up every day. Adapts the next problem. Offers three-level hints — never the final answer. Flags struggle quietly to the teacher.
- Hints escalate: nudge → method → step-path
- Validates every problem against a deterministic answer key
- Surfaces struggle to the teacher, not to a public leaderboard
Today's session
10 min · 12 problems · hint used twice · streak 14 days
Six steps. Every concept moves through all of them.
Every Vidya specialist runs the same six-step loop. The loop is the only path a concept moves through the platform. Verify before Hand-off is non-negotiable — your child never advances past a concept they haven't actually mastered.
Step 1 of 6
Intake15-minute diagnostic + parent context + age. Where is your child today?
Step 2 of 6
DiagnoseNames exactly what's strong and what's the next gap — without flattering or shaming.
Step 3 of 6
PlanDesigns a 12-week regimen with daily practice, weekly cohort class, and a transfer-to-school-math bridge.
Step 4 of 6
ExecuteGenerates today's 10-minute session: 12 adaptive problems, hint system available, mastery target defined.
Step 5 of 6
VerifyStress-tests mastery before advancing: weekly mini-check + end-of-level test, not a self-assessment.
Step 6 of 6
Hand-offSunday parent insight report: one number, three trends, one win, one struggle, what's next.
Every specialist runs this loop. Skipping a step is a bug, not an optimization.
One child.
Three specialists.
Nine beats.
The trace below is a faithful sketch of one real Vidya journey. Three specialists, each contributing the loop steps they own, converging into one composed outcome a parent can actually see.
The user
Aryan, 10, grade 4. Average school grades, low confidence with timed work, finger-counting for multiplication. Parents want speed without making him anxious.
What 3-6-9 did
Vidya didn’t replace Aryan’s school. It built the mental fluency layer underneath, so school math stopped feeling like a wall. The teacher led; the AI coach showed up. Number confidence is the outcome.
Step 1 of 6 · Intake
Runs the 15-minute diagnostic: tables · number-bond complements · 2-digit operations · 5 school-format transfer problems.
Step 2 of 6 · Diagnose
Three real findings: tables 2-9 strong, tables 10-12 hesitant, number bonds of 10 not yet automatic, transfer score 58%.
Step 6 of 6 · Hand-off
Places Aryan at Level 2 (not Level 1, not Level 3). Confirms placement with parents and the assigned teacher before starting.
Step 3 of 6 · Plan
Designs 12 weeks: tables review weeks 1-4, Nikhilam introduction weeks 5-9, 2-digit mental ops weeks 10-12, plus weekly school-math bridges.
Step 4 of 6 · Execute
Generates Week 1 today's session: 12 problems on tables 2-9 with a 90-second time-box per problem; one transfer problem on simplifying 16/24.
Step 5 of 6 · Verify
Sets mastery bar before week 1: 85% accuracy + 18 problems/min on tables 2-9 before Aryan unlocks tables 10-12.
Step 5 of 6 · Verify
Audits Aryan during practice: 14-day streak, hint usage trending down, accuracy steady at 88%. No anxiety markers.
Step 6 of 6 · Hand-off
Flags to the teacher: Aryan stalls on 7×8 specifically (3 attempts, hint level 2 used). Teacher addresses it in Wednesday's cohort class.
Step 1 of 6 · Intake
Week 12: Aryan solves 24 problems/min, 92% accuracy, beats his school-math timed quiz for the first time. Parents see the chart — and so does Aryan.
Aryan gets ten focused minutes of practice a day, one Wednesday cohort class, and a Sunday parent report his parents can actually read.
End of week 12: he finishes his timed school math sheets without rushing, hits his own previous best on the Arithmetic Fluency Index, and — maybe more importantly — he asks to do his Vidya session before dinner.
Founders Tier pricing.
Locked at the lowest price we’ll ever charge.
First 150 paying families get the Founders price — locked for life. Students 151–500 get the Early Adopter price, locked for 12 months. We don’t do silent price increases on existing families. Ever.
Vidya Practice
Tier ISelf-paced practice + AI coach
Billed monthly · cancel anytime
Start free trial- Daily 10-min practice (all 3 specialists)
- Adaptive problem selection
- AI hints (3-level, never the answer)
- Weekly parent insight email
- Transfer-to-school-math bridges
- Cancel anytime
Founders price · $9/mo for life (lifts to $14, then $19).
Vidya Cohort
Tier IILive teacher + practice + reports
Billed monthly · cancel anytime
Start free trial- Everything in Practice
- Weekly live cohort class (max 12 students)
- Named, accountable teacher
- Monthly 90-second teacher video summary
- Level certificates · shareable PDF
- 60-day measurable-improvement guarantee
Founders price · $39/mo (lifts to $69, then $99). 3-mo minimum.
Vidya 1:1
Tier IIIPrivate teacher + cohort + everything
Billed monthly · cancel anytime
Start free trial- Everything in Cohort
- Weekly 1:1 with your child's teacher
- Priority placement + accelerated path
- Direct WhatsApp line to the teacher
- Olympiad / SAT extension content
- Family plan: 2nd child 50% off
Founders price · $199/mo (lifts to $299, then $399).
14-day free trial on every plan · No credit card required · Cancel anytime · Full data export at any time
What parents actually ask.
Honest answers. If a question isn't here, our team replies within one business day.
Yes — taught with explicit attribution to Bharati Krishna Tirthaji’s 1965 compilation of 16 sutras and 13 sub-sutras. The direct attribution of these sutras to the Vedas themselves is historically contested; their pedagogical value for building mental fluency, pattern recognition, and number sense is not. We teach them because they work, and we credit the tradition without overclaiming its provenance.
Have a question we should add here? hello@cosmos369.ai — we read every one.
Number confidence is a 15-minute diagnostic away.
Take the free diagnostic. We’ll place your child at exactly the right level and show you their starting picture in speed, accuracy, and school-math transfer. No credit card, no email pressure — just an honest baseline you can build from.
No credit card · Cancel anytime · Full data export at any time