BUILD FLUENCY. EARN YOUR ASCENT.Sign in Year 4
Measure boundaries and enclosed spaces with labelled lengths, grids and part-unit tiles.
Free examples and worked answers. No account needed.
Practise the method.
Measure boundaries and enclosed spaces with labelled lengths, grids and part-unit tiles.
Measure boundaries and enclosed spaces with labelled lengths, grids and part-unit tiles.
Example 1
What is the area of this shape in square units?
Square-tile shapeShow worked answer
Answer: 8
- Count 2 rows of 4 unit squares.
- 2×4=8 square units.
Example 2
Find the area of the tiled shape in square units.
Square-tile shapeShow worked answer
Answer: 9
- A full 2 by 5 rectangle would contain 10 tiles.
- There are 1 tiles missing in the top row, so the area is 10−1=9 square units.
Example 3
A rectangular garden is 3m long and 4m wide. What length of fencing goes around its whole boundary?
Garden boundaryDiagram not to scaleShow worked answer
Answer: 14
- The four sides are 3,4,3 and 4 metres.
- Add the boundary lengths: 3+4+3+4=14m.
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