Level 2
The actual lengths of Rope A and Rope B are in 2 decimal places. When rounded to the nearest metre, their lengths are each 10 m long. What is the greatest possible difference between the lengths of Rope A and Rope B?
Level 3
A tank is 29 filled with water. Rachel poured in 8.3 litres of water and the tank is now 56 full. How much water can the tank hold if it is filled to the brim? Give your answer correct to 1 decimal place.
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
Level 2
The actual masses of two wooden crates, Y and Z, are measured in hundredths. The mass of Crate Y is rounded off to 13.6 kg and the mass of Crate Z is rounded off to 16.8 kg. What is the greatest possible difference in the actual masses of these two crates? Give the answer in kg.
Level 1
The figures shows the number of visitors to the National Museum in two months.
January - 49 506
February - 31 385
Round off the number of visitors in each month to the nearest thousand. Then estimate the total number of visitors in the two months.
Level 1
The figures shows the number of visitors to the National Museum in two months.
January - 49 506
February - 31 385
Round off the number of visitors in each month to the nearest thousand. Then estimate the total number of visitors in the two months.
Level 2 PSLE The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
Level 2 PSLE The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
Level 2
The number of pupils in a school when rounded off to the nearest hundred was 1900 people. What was the smallest possible number of pupils In the school?
Level 2
When Kareen rounded off a number to the nearest thousand, the result was 4000. What was the smallest possible 4-digit number that Kareen had rounded off?
Level 2
The price of an apartment when rounded off to the nearest $1000 is $90000. What is the greatest possible price of the car if it has been round off to the nearest thousand?
Level 3
A rectangular tank measuring 50 cm by 25 cm by 19 cm was 12 filled with water. There was a leak at the bottom of the tank and water seeped out at the rate of 5 m? per second. How many minutes would it take to empty the tank completely? Leave your answer correct to 1 decimal place.
