Question:

Level 1

Find the area of the triangle.

Find the area of the triangle.

1 m

Level 1

The side of an equilateral triangle is 24k cm long. Find its perimeter.

1 m
The side of an equilateral triangle is 24k cm long. Find its perimeter.

Level 2 PSLE

The square ABCD is made up of 4 smaller squares.

The square ABCD is made up of 4 smaller squares.

- What is the ratio of the area of the shaded part to the area of the unshaded part?
- If the length of the square ABCD is 4 cm, what is the area of the shaded part?

2 m

Level 1

The figure shows a cube. The total length of all the edges of the cube is 156 cm. Find the area of the shaded face.

The figure shows a cube. The total length of all the edges of the cube is 156 cm. Find the area of the shaded face.

2 m

Level 2

John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC were stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?

2 m
John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC were stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?

Level 2

The perimeter of an isosceles triangle is (6k + 21) cm. The longest side is (2k + 7) cm. Find the length of one of the equal sides.

2 m
The perimeter of an isosceles triangle is (6k + 21) cm. The longest side is (2k + 7) cm. Find the length of one of the equal sides.

Level 2 PSLE

Andy had 1.4 m of wire. He used some of it to make the figure as shown.

Andy had 1.4 m of wire. He used some of it to make the figure as shown.

- How much of the wire did Andy use to make the figure? Leave your answer in the simplest form in terms of x.
- If x = 15, how much of the wire was not used to make the figure? Leave your answer in metres.

2 m

Level 2

W, X, Y and Z are mid-points of the sides of the square. If the area of the square is 100 cm^{2}. What is the area of the unshaded triangles? Leave you answer in mixed number.

W, X, Y and Z are mid-points of the sides of the square. If the area of the square is 100 cm

2 m

Level 3 PSLE

In the figure not drawn to scale, ACEG and BDFH are squares. AB, CD, EF and GH are of the same length. The ratio of AB : BC is 3 : 1.

In the figure not drawn to scale, ACEG and BDFH are squares. AB, CD, EF and GH are of the same length. The ratio of AB : BC is 3 : 1.

- What fraction of square ACEG is shaded?
- If the length of the square is 96 cm, find the unshaded area in cm
^{2}.

3 m

Level 3

The figure is made up of two squares and a triangle. The ratio of the area of Triangle X to that of Square Z is 11 : 1. The ratio of the shaded area to that of the unshaded area is 1 : 3. If the difference between areas of Triangle X and Square Y is 464 cm^{2}, what is the area of Square Z?

The figure is made up of two squares and a triangle. The ratio of the area of Triangle X to that of Square Z is 11 : 1. The ratio of the shaded area to that of the unshaded area is 1 : 3. If the difference between areas of Triangle X and Square Y is 464 cm

3 m