Grade 9 · usually age 14–15
Class 9 maths games you can see
72 games across 8 topics, organised around the NCERT Class 9 chapters. Every skill is a picture your child can move.
Topics in Class 9
Bars are drawn against the biggest topic in this class (28 games). 72 games in total.
What your child will practise in Class 9
Shapes and angles
- Lines, angles and a transversal
- Congruent triangles
- Quadrilaterals and the midpoint theorem
- Angles in a circle
- Similar triangles and the proportionality theorem
Algebra
- Roots of a quadratic
- Polynomials and the factor theorem
- Linear equations in two variables
Area and perimeter
- Heron's formula
- Cones, spheres and hemispheres
Numbers
- Surds and rationalising
Chance
- Two events together
Trigonometry
- Trigonometric ratios in a right triangle
Sequences
- Arithmetic and geometric sequences
Data and graphs
- Mean and median of grouped data
Class 9 maths: questions from parents
Does Tivumo follow the NCERT Class 9 maths chapters?
Yes. Class 9 in Tivumo is organised around the NCERT chapters for the class: shapes and angles, algebra, area and perimeter, numbers, chance and more. Geometric constructions and written proofs are not in the app yet.
How many Class 9 maths games are there?
72 games across 15 skills in 8 topics.
Is there a maths app for Class 9?
Tivumo has 72 Class 9 games and runs in any phone browser, offline after the first visit, with no ads. How to choose a maths app.
Can my child practise earlier classes too?
Yes. Five short placement questions find a starting class, and every class up to the hardest question answered correctly opens straight away. Earlier classes are always there for revision.
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.