Questions

From Worst to Best

101 P6.VO.NK.17053184

Level 3 PSLE
The figure shows an empty flower vase of height 40 cm. It is made from 2 containers. The top container is in the form of a cuboid which has a square base side 4 cm and height 28 cm. The bottom container is in the form of a cube of 12 cm. 2.16 litres of water is poured into the empty vase. What is the height of the water level from the base of the vase? (1 litre = 1000 cm³ )

3 m

Video Attempt

102 P6.AP.TL.17090759

Level 2 PSLE
The shaded figure is formed by two identical circles with centres at A and C. ABCD is a square and the length of AB is 7 cm. Find the perimeter of the shaded figure. (Take π = ²²₇)

2 m

Video Attempt

Square Circle Circumference Composite figure perimeter Overlapping area

103 P6.VO.NK.17080920

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

Attempt

Base area x height Volume transfer D Place values D Round off Percent of a whole Percent to units

104 P6.AG.NK.21061107

Level 3 PSLE
The perimeter of figure ABCDE is (10w + 14) cm. The perimeter of square ABCD is 20 cm.

Find the perimeter of triangle ADE in terms of w.
The perimeter of figure ABCDE is 44 cm. What is the value of w?

3 m

Attempt

Algebra in 1 variable Algebra substitution Area perimeter Square Triangle

105 P6.RD.TL.17042616

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)