Questions

From Worst to Best

321 P5.VO.JM.17083198

Level 3
Tank A is half-filled with water while Tank B is empty. Abby poured water from Tank A into Tank B without spilling until the water level in both tanks were the same. What is the volume of the water in Tank B now?

5 m

Attempt

322 P6.AN.NK.17051738

Level 3
The figure is not drawn to scale. ∠BAC = 40°, BA = BC and AF//BE. Given that ∠z is ¹₂ of ∠x and ∠z is 3 times of ∠y, find

∠z
∠w.

4 m

Attempt

Isosceles triangle Angles on straight line Corresponding angles Sum of angles in a quadrilateral Fraction of a whole Fraction to units Times as many Units method

323 P6.SP.JC.21061119

Level 3 PSLE
The figure shows taps A and B and an empty tank. At 2 p.m., tap A was turned on. Water flowed into the tank from tap A at a rate of 3.8 litres per minute. After 5 minutes, tap B was turned on. At 2.15 p.m., the tank was half filled with water.

How many litres of water flowed out of tap B in 1 minute?
At 2.30 p.m., what fraction of the tank was filled with water?

5 m

Attempt

Rate more than 1 object Duration am pm Volume of cuboid Filling tank Units method Fraction of a whole

324 P5.PC.JM.17083139

Level 3
Dina spent 60% of her money on a number of pens. She spent 25% of the remaining money on a few highlighters and 50% of what was left on a number of sketchbooks.

What fraction of her money was left?
Given that the pens cost $36 more than the sketchbooks, find the sum of money Dina had at first.

5 m

Attempt

Percent of a whole Percent to units Fraction of a whole Money More than or less than Remainder concept Branching

325 P6.SP.JC.17053052

Level 3
Water flows into a tank through Tap A and flows out of the container through Tap B. The capacity of a tank is 40 litres. When only Tap A is turned on, the container is completely filled in 16 minutes. When only Tap B is turned on, it takes ¹₃ hour for all the water to flow out. If both taps are turned on at the same time,