Questions

From Worst to Best

131 P6.VO.NK.21060406

Level 3 PSLE
An open rectangular box is shown.

The inside of the box including the base is painted. Find the painted area.
When the box is packed full with 1-cm cubes, how many cubes are there?
How many cubes touch inside the box as a result?

5 m

Attempt

132 P6.VO.JC.23034301

Level 3 PSLE
The figure shows the amount of water in two rectangular Tanks, A and B, at first.
Ray poured ¹₄ of the water from A into B to fill it to the top, without overflowing.

How much water was there in A at first?
Ray then poured all the water from B into A. 720 cm³ of water overflowed from A. What was the height of A?

5 m

Attempt

Volume of cuboid Height of cuboid Volume transfer Fraction of a whole

133 P6.VO.NK.17053044

Level 3
The figure is not drawn to scale. It shows an empty container made up of a cuboid, measuring 40 cm by 25 cm by 25 cm and 2 similar cubes of sides 5 cm. Line A is 10 cm. 12.5 ℓ of water is poured into the top cube into the cuboid.

What is the height of the water level from the base of the container?
How much more water in cm³ must be poured in so that the water fills up half of the top cube?

5 m

Attempt

Volume of cuboid Volume of cube Base area x height Height of cuboid Filling tank Volume common base area Fraction of a whole More than or less than

134 P5.VO.JM.17083187

Level 3
A rectangular tank measuring 25 cm by 20 cm by 16 cm is half filled with water. If 3 identical cubes each measuring 10 cm by 10 cm by 10 cm are placed inside the water, find the new height of the water level.

5 m

Attempt

Volume of cuboid Height of cuboid Displacement Fraction of a whole

135 P5.VO.JM.17083192

Level 3
Figure A shows a rectangular container filled with some water and 8 identical blocks. The base area of the rectangular container is 448 cm². Figure B shows the same container being turned upright. Find the volume of water in the container.