36 P4.AP.JM.17100231
Level 3
The figure shows 4 identical rectangles (not drawn to scale). The length of each rectangle is twice its breadth. Given that the breadth of each rectangle is 4 cm, find the perimeter of the figure.
3 m
Rectangle Tiling Rectilinear figure Composite figure perimeter Model Times-as-many Units method
37 P4.AP.JM.17100197
Level 3
A feature wall is covered by 10 identical small rectangular boards as shown. The height of the wall is 200 cm. What is the area of the feature wall?
3 m
Rectangle Tiling Rectilinear figure Units & parts Substitution
38 P6.AP.TL.17090819
Level 3 PSLE
The figure shows a rectangular grass patch and an L-shaped footpath. The width of the footpath is 100 cm. The footpath is tiled using 38 circular tiles of diameter 50 cm, following the pattern shown. Each tile is in contact with those next to it.
  1. What is the area of the footpath not covered by the tiles? Take π = 3.14.
  2. What is the perimeter of the grass patch?
4 m
Square Rectangle Circle Area Tiling
39 P6.AP.NK.21060427
Level 3 PSLE
The figure shows a right-angled triangle.
  1. Find the area of the triangle.
  2. Bruce wants to cut such triangles from a rectangular piece of cardboard 50 cm by 80 cm. At most, how many of such triangles can he cut?
4 m
Rectangle Right-angled triangle Tiling Min-max
40 P5.AP.NK.23012624
Level 3
A room has dimensions 252 cm by 125 cm. Tiles with dimension 20 cm by 12 cm were arranged on the floor. What is the maximum number of complete tiles that can be placed on the floor?
4 m
Square Rectangle Tiling Min-max W Remainder

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