Class 9 · 12 games
Class 9 area and perimeter, as pictures to move
How much space a shape covers, and how far it is around the edge. Here is what Class 9 practises in area and perimeter, and the games that do it.
Skills in Class 9 area and perimeter
- Heron's formula
- Cones, spheres and hemispheres
The games
Played as fill in the steps, place the tiles.
- A small triangle
- A cone, slant and upright
- Heron's formula
- A sphere
- A bigger triangle
- A solid hemisphere
Perimeter is the walk around the outside
Add up every side. For a rectangle that is length + width + length + width. It is a distance, so it is measured in cm or m.
Questions parents ask
What area and perimeter does Class 9 cover?
In Tivumo, Class 9 area and perimeter covers: heron's formula; cones, spheres and hemispheres.
How many Class 9 area and perimeter games are there?
12 games, played as fill in the steps, place the tiles.
Is it free?
Yes. Free, no ads, no in-app purchases, and it works offline after the first visit.
More Class 9 maths
Area and perimeter in other classes
Practise Class 9 area and perimeter in Tivumo
No download, no account for your child. Classes 3 to 12, more than 1,000 games.