Questions

From Worst to Best

241 P4.WN.JC.17100342

Level 2
Given that all the blocks are identical, what is the height of the house? (a) _____ m (b) _____ cm

2 m

Attempt

242 P3.DE.JM.17102974

Level 2
Aiken bought a bun for 65¢ and a packet-of milk for 80¢. He paid the cashier $2. How much change did he receive? Express your answer in cents.

3 m

Attempt

D Addition & subtraction Money Unit conversion Model Part-whole

243 P6.RA.NK.21060202

Level 1 PSLE
Charles has a number of 10¢, 20¢ and 50¢ coins in the ratio 4 : 2 : 1. The total value of all the coins is $156. What is the total value of the 20¢ coins?

3 m

Attempt

Ratio to units Money Unit conversion Number x value Units table

244 P4.WN.JC.17100350

Level 2
3 kg of pepper are packed into packets each weighing 5 g. How many such packets are there?

2 m

Attempt

W Multiplication & division Mass Unit conversion Model Part-whole

245 P4.WN.JC.21041801

Level 1 PSLE
3 kg of pepper are packed into packets each weighing 50 g. How many such packets are there?

2 m

Attempt

W Multiplication & division Mass Unit conversion Model Part-whole

246 P6.SP.JC.17080922

Level 3
The figure shows a tank made up of 3 sections. Cuboid A with a square base of side 4 cm and height 30 cm. Cube B with a side of 12 cm. Cuboid C that is 60 cm by 20 cm by 40 cm. Water from a tap above flows down at a rate of 1.2 litres per minute while water is drained out from the bottom at a rate of 1 litre per minute. How long did it take to fill up the tank to a height of 66 cm from the base? Give the answer in minutes correct to nearest whole number.

3 m

Attempt

Rate 1 object Unit conversion Volume Volume of cuboid Volume of cube Filling tank W Round off

247 P6.SP.JC.17053161

Level 3
The figure shows a rectangular tank measuring 55 cm by 22 cm by 24 cm. It was ¹₃ filled with water at first. Dylan turned on a tap and let water flow into the tank at a rate of 1.36ℓ per minute. After 15 minutes, he turned off the tap. How much water had overflowed? (Express the answer in ℓ.)