Perimeter and area by counting squares
The Maths Habit Handout to print
Which shape is bigger?
It depends what bigger means. The long one is further round its edge. The square one has more space inside.
- Perimeter
- The distance all the way round the edge of a shape.
- Area
- The amount of space inside a shape.
Perimeter
- Start at the dot.Any corner will do. Mark it.
- Tick each edge as you count.Only the edges round the outside.
- Stop when you are back at the dot.The last number is the perimeter.
Is the pink edge part of the perimeter?
Is the pink edge part of the perimeter?
Find the perimeter. Start at the dot. Tick each edge as you count. 16 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 12 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 16 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 14 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 16 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 12 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 16 cm
A pool is drawn on the grid. How far is it all the way round the edge? Start at the dot. Tick each edge as you count. 18 m
Find the perimeter. Start at the dot. Tick each edge as you count. 16 cm
Find the perimeter. Start at the dot. Tick each edge as you count. 16 cm
Area
- Number each square inside.Go along each row in turn.
- The last number is the area.12 squares
- For a rectangle: rows × squares in each row.3 rows of 4: 3 × 4 = 12
Find the area. Number each square inside. 7 squares
Find the area. Number each square inside. 8 squares
Find the area. Number each square inside. 7 squares
Find the area. Number each square inside. 10 squares
Find the area. How many rows? How many squares in each row? 3 × 5 = 15 squares
Find the area. How many rows? How many squares in each row? 4 × 4 = 16 squares
Answer sheet
Perimeter or area? Write P or A.
A fence round a field
PerimeterCarpet to cover a floor
AreaA wooden frame round a photo
PerimeterGrass seed for a lawn
AreaLights all the way round a window
Perimeter
Draw a rectangle with an area of 12 squares and the longest perimeter you can.
12 by 1A square has a perimeter of 20 cm. What is its area?
25 squaresFind a rectangle whose perimeter in cm and area in squares are the same number.
4 by 4 or 3 by 6
Find the perimeter in cm. Tick each edge.
10 cmFind the area. Number each square inside.
6 squaresFind the perimeter and the area.
12 cm and 7 squares