Level 1 PSLE
The area of a square is 81 cm2. What is the perimeter of the square?
1 m
Level 1
Find the following values without a calculator.
  1. A x A = 64
    Find A.
  2. 6 x 6 x 6 = _______
  3. 8 x 25 = _______
  4. 9 x 400 = _______
2 m
Level 2 PSLE
The block of wood shown was dipped into a pail of paint. The block was then cut into 4 identical cubes along the dotted lines and taken apart. The total unpainted area of the 4 cubes was 216 cm2. What was the volume of each cube?
2 m
Level 2
The figure shows a piece of paper. When the shaded rectangles A, C, D and square B is cut out, the remaining parts form the net of a cuboid. Area E is a square. Given that the area of A is 18 cm2 and the area of B is 81 cm2, find the volume of the cuboid.
2 m
Level 2
The figure shows cardboard pieces used to form the net of a cuboid. The area of each square piece is 25 cm2 and the area of each rectangular piece is 40 cm2. Find the volume of the cuboid.
2 m
Level 2
A cuboid has a square face of area 49 cm2. The ratio of its length to its breadth is 9 : 7. Find its volume.
2 m
Level 2
The area of each face of the cube in the figure is b2 cm2.
  1. Find the volume of the cube in terms of b.
  2. If b2 = 36, find the volume of the cube.
2 m
Level 2
The circles are not drawn to scale. The small circle is with radius a and the big circle is with radius A. The ratio of a to A is 4 : 7. If the area of the small circle is 169π cm2, find A. Express the answer in mixed number.
2 m
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
2 m
Level 2 PSLE
Anna has a square piece of paper FGHJ of side 21 cm. She cut along the dotted lines shown in Figure 1 to get one small square of area 9 cm2 and 8 identical right-angled triangles. Triangle KLM in Figure 2 is one such triangle. Find the length of KM.
2 m