Questions

From Best to Worst

71 P4.AN.NK.23041232

Level 2
Square ABCD is folded as shown in the diagram. Find ∠x.

2 m

Attempt

72 P4.AN.JM.17092870

Level 2
The figure shows a piece of square paper ABCD folded at two of its corners A and C. Given that ∠ADE = 12° and ∠CDF = 15°, find ∠ADC.

2 m

Attempt

Right angle Square Overlapping angles Folded figure

73 P4.AN.JM.17092869

Level 2
Pauline has a piece of square paper. She folded it along the dotted line as shown. Find ∠g.

2 m

Attempt

Right angle Square Overlapping angles Folded figure

74 P4.AP.JM.17100159

Level 2
Given that each shaded square is 1 cm², find the area of the shaded figure shown.

2 m

Attempt

Rectilinear figure Composite figure area Grid square

75 P4.AP.JM.17100140

Level 2
The figure is made up of a rectangle and a square. The area of the rectangle is thrice the area of the square. If the area of the square is 16 cm² and the breadth of the rectangle is 2 cm, find the length of the rectangle.

2 m

Attempt

Square Rectangle Rectilinear figure Composite figure area Length Times as many

76 P4.VO.JM.17092808

Level 3
The total surface area of a cube is 6 m². What is the volume of the cube?

3 m

Attempt

Volume of cube Square & square root Surface area

77 P4.FR.JM.17101641

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

Attempt

Fraction of a whole Cut & paste Area Perimeter Square Triangle

78 P4.AP.JM.17100161

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

Attempt

Square Length D Addition & subtraction

79 P4.AP.JC.18012092

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)