Questions

From Worst to Best

1 P6.GE.NK.21060715

Level 1 PSLE
A, B, C, D are points on a square grid. Which point when joined to E and F forms a right-angled triangle?

1 m

Attempt

2 P6.GE.NK.21060717

Level 1 PSLE
CB forms one side of the right-angled triangle. Which point when joined to C and B will form the right-angled triangle?

1 m

Attempt

Grid square Right-angled triangle Parallelogram

3 P6.GE.JC.23030119

The square grid shows line AB. It is one side of a triangle ABC with ∠ACB = 90°. Identify point C in the grid square.

1 m

Attempt

Square grid Right-angled triangle

4 P6.AP.TL.17090703

Level 2 PSLE
Robert cut out three identical right-angled triangles. He joined them to form the figure PQRS shown. RS = 12 cm and SP = 10 cm. The perimeter of the figure is 36 cm. Find the area of the figure PQRS.

2 m

Video Attempt

Right-angled triangle Composite figure area

5 P6.AP.TL.17090767

Level 2
The figures F and G, are two identical isosceles triangles. Both figures contain a square of a different size. Given that the area of the square in Figure F is 252 cm², find the area of the square in Figure G.

2 m

Attempt

Square Isosceles triangle Right-angled triangle Cut & paste

6 P6.GE.NK.21060722

Level 1 PSLE
A unit shape in the form of a right-angled triangle is drawn in the grid. Cindy forms a rectangle by joining two unit shapes as shown. In addition to the rectangle, Cindy wants to form a trapezium. This figure is to be formed with the smallest number of unit shapes. How many triangles are required to construct the smallest trapezium?

1 m

Attempt

Grid square Right-angled triangle Parallelogram Rhombus Trapezium Min-max More than or less than

7 P6.GE.NK.21060721

Level 2 PSLE
AB and BC form two sides of a trapezium ABCD drawn on a square grid inside a box. By joining dots on the grid with straight lines, identify Point D to complete the trapezium ABCD such that AD is longer than BC.

2 m

Attempt

Grid dots Right-angled triangle Trapezium Area perimeter More than or less than Equal stage

8 P6.GE.NK.21060728

Level 2 PSLE
Triangle BCD is drawn on a square grid inside a box. By joining dots on the grid with straight lines, identify the dot to draw a right-angled triangle BCE such that it has the same area as triangle BCD. Give your answer in number. (Eg 1)

2 m

Attempt

Grid dots Right-angled triangle Trapezium Area perimeter More than or less than Equal stage

9 P6.AP.TL.17090744

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.