Perimeter & Area
Fences, tiles, and drawing shapes on a grid.
Learn with Kutty
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Perimeter is the way around. Area is the space inside.
Look: 6 by 4: area 24 squares. Red edge: 6 + 4 + 6 + 4 = 20 cm.
✏️ Your turn!
Type your answer and press Check. Kutty will tell you if it is right.
1Area of 7 cm by 3 cm?
2Perimeter of a square with 6 m sides?
3Area 40 cm², length 8 cm. Width?
! Careful!
✗Adding only two sides.
✓A rectangle has four sides.
✗Writing area in m.
✓Area is in square units: m².
See the whole lesson on one page
Perimeter is the way around. Area is the space inside.
Perimeter: add all the sides. Area: count the squares inside. For a rectangle, area = length × width.
Think of it like thisThe frame around a photo is the perimeter. The photo inside is the area.
- Perimeter
- Distance around the edge.
- Area
- Squares inside: cm², m².
Solved together
A garden is 9 m long and 5 m wide. How much fence goes round it? What is its area?
Fence goes around: add all four sides.
9 + 5 + 9 + 5 = 28 mArea is inside: 5 rows of 9 squares.
9 × 5 = 45 m²
AnswerFence 28 m. Area 45 m².
Now practise it
Kanakku makes new questions on perimeter & area every time. It shows the working and gives a hint when you are stuck.