Five questions to begin
Tivumo asks five short questions and opens every class up to the hardest one your child answers correctly.
Usually Class 10
Maths for 15 year olds
Most 15 year olds in India are in Class 10. Here is what they are learning, and 69 Tivumo games that let them see it.
What a 15 year old is learning
- Exact trigonometric values · Trigonometry
- Roots of a quadratic · Algebra
- Arithmetic and geometric sequences · Sequences
- Trigonometric ratios in a right triangle · Trigonometry
- HCF by Euclid's division algorithm · Numbers
- Zeros of a polynomial and its coefficients · Algebra
- A pair of linear equations in two variables · Algebra
- Similar triangles and the proportionality theorem · Shapes and angles
- Distance, midpoint and the section formula · Coordinate geometry
- Heights and distances · Trigonometry
Starts where your child is, not where their age says
Gaps from earlier years
Class 9 — shapes and angles, algebra, area and perimeter — is always there for revision, without any sense of going backwards.
Room to run ahead
A child who is ready can move into Class 11. Mastery unlocks the next maths, not points.
How to help a 15 year old with maths at home
Measure something tall
Use a shadow and a stick to work out the height of a building: similar triangles and trigonometry in one walk.
Graph something they care about
Screen time or savings over a month, plotted by hand, makes a straight line and its slope real.
Ask for the picture first
Before solving, ask what the graph or figure would look like. Board questions reward that habit.
Space the revision
Twenty minutes on a chapter today, again in three days, again next week, beats three hours the night before.
Treat mistakes as information
Look at which step went wrong rather than just the final answer. Most marks are lost in one repeated step.
Questions parents ask
What maths should a 15 year old know?
Most 15 year olds in India are in Class 10. The main topics are trigonometry, algebra, shapes and angles, area and perimeter, sequences. Typical skills include exact trigonometric values; roots of a quadratic; arithmetic and geometric sequences; trigonometric ratios in a right triangle; hcf by euclid's division algorithm.
Is Tivumo suitable for a 15 year old?
Yes. Tivumo covers Classes 3 to 12, and five short questions find the right starting class for your child, whatever their age.
What should I look for in a maths app for a 15 year old?
Explanations before practice, no timers or ads, work that is not wiped out by one mistake, and a way to start at the right level. Our checklist.
How long should a 15 year old practise maths each day?
Short and regular beats long and rare. In Tivumo your child can set a small daily goal; there are no timers, and missing a day never locks anything away.
Is Tivumo really free?
Yes. Tivumo is free, has no advertising and no in-app purchases. It is supported by an institutional sponsor.
Does it need the internet?
Only to open it the first time. After that it works offline, including on low-cost phones and slow connections.
Open Tivumo on any phone, today
No download, no account for your child. Classes 3 to 12, more than 1,000 games.