Level 2
Figure PQRS is a square. It is made up of 1 small square, 2 small triangles and 3 large triangles. PR and OS are straight lines. What fraction of the square PQRS is shaded?
3 m
Level 3
A tank with a square base area of 121 cm2 is 60% filled with water. If 4 pails of water are poured into the tank, 756 cm3 of water would overflow. If 3 pails of water are poured into the tank, 128 cm3 of water would overflow. What is the height of the tank ? Give the answer to one decimal place.
3 m
Level 3
The figure is made up of a circle, a triangle and a square of sides 8 cm. The radius of the circle is 7 cm. The ratio of the area of the circle to the shaded area of the circle is 7 : 3. The ratio of the area of the square to the area of the triangle is 1 : 4. Given that 14 of the square is shaded, what is the total area of the unshaded figure? (Take π = 227)
4 m
Level 3 PSLE
The perimeter of figure ABCDE is (10w + 14) cm. The perimeter of square ABCD is 20 cm.
  1. Find the perimeter of triangle ADE in terms of w.
  2. The perimeter of figure ABCDE is 44 cm. What is the value of w?
3 m
Level 3
An iron cube of side 8 cm is melted and recast into a cuboid which has a square base of side 4 cm. What is the height of the cuboid?
3 m
Level 2
A piece of rope is 100 cm long. It is cut into 2 pieces. One piece is used to form a square. Each side of the square is 12 cm. What is the length of the other piece?
3 m
Level 3
Mr Tan had a square garden with a perimeter of 36 m as shown in the diagram. He built a path of width 1.5 m around it. Find the area of the pathway.
3 m
Level 2
The figures are not drawn to scale. Find the difference in the perimeter between 2 squares, square A having a side length of 5 cm and square B having a side length of 2 cm.
3 m
Level 3
Mr Tan wants to lay carpet grass in this entire square garden. The cost of the carpet grass is $25 per square metre. The length of the square is 10 m. How much did Mr Tan pay for carpeting his garden? (The diagram is not drawn to scale)
3 m
Level 3
The patterns are formed with identical squares. Study the pattern carefully and answer the questions.
  1. How many squares will there be in Pattern 18?
  2. Which pattern is formed with 134 squares?
4 m