Level 1 PSLE
Water leaks from a tap at a rate of 3 ml per second. At this rate, how much water will leak from the tap in 1 minute?
1 m
Level 1
A copier prints 24k pieces of paper in 3 minutes. How many pieces of paper are printed by the copier in 11 minutes?
1 m
Level 1 PSLE
Water drips from a tank tap at 8 mℓ per second into an empty pail. How much water is collected in 2 hours? (Express the answer in ℓ.)
1 m
Level 1 PSLE
A tank was filled with 55 litre of water at 07 00. Water flowed out of the tank from 07 00 to 11 00. The line graph shows the amount of water in the tank from 07 00 to 11 00. During which one-hour period was the decrease in the volume of water the greatest? Give your answer in number. (Eg 1)
(1) From 0700 to 0800
(2) From 0700 to 0900
(3) From 0900 to 1000
(4) From 1000 to 1100
1 m
Level 1 PSLE
A tank was filled with 48 litres of water at 06 00. Water flowed out of the tank from 06 00 to 11 00. The line graph shows the amount of water in the tank from 06 00 to 10 00. What was the average decrease in the volume of water in litres per hour from 06 00 to 10 00? (Give your answer in ℓ.)
1 m
Level 1 PSLE
Water from a tap leaks at a rate of 35 mℓ per min. At this rate, how much water is leaked in 2 hours? Give your answer in ℓ.
2 m
Level 2 PSLE
A machine started printing posters at 8.00 a.m. on Monday at the rate of 1000 posters per hour. After every 6 hours of printing , it was stopped for an hour. How many posters were printed by 10.00 a.m. the next day?
2 m
Level 1 PSLE
The line graph shows the temperature of soup in a pot from 08 00 to 08 35. (Give your answers in °C.)
  1. What was the temperature of the soup at 08 25?
  2. What was the increase in temperature per minute over the first 5 minutes?
2 m
Level 2 PSLE
The graph shows the amount of water that flows from a tap. At this rate, how many litres will flow from the tap in 28 minutes?
2 m
Level 3
9 identical 4-cm cubes are placed in an empty rectangular tank of length 90 cm and width 25 cm. The tank is then filled with water from a tap flowing at a rate of 7 litres per minute. It takes 12 minutes to fill up 34 of the tank. What is the height of the tank? Correct the answer to 1 decimal place.
3 m