51 P4.WN.JM.17102251
Level 2
With the digits 3, 4 and 5, form the largest three-digit number which when rounded off to the nearest hundred is 400?
2 m
W Place values W Round off Min-max
52 P5.WN.JM.17082946
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.
2 m
W Place values W Addition & subtraction W Round off
53 P5.WN.JM.17082909
Level 1
Find the value of 8067 x 34. Round off the answer to the nearest thousand.
2 m
W Place values W Multiplication & division W Round off
54 P6.AP.NK.21060415
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
2 m
Composite figure perimeter Quarter circle D Round off
55 P5.WN.JM.17082943
Level 2
A number becomes 900 when rounded off to the nearest 100. What is the greatest possible number?
2 m
W Place values W Round off Min-max
56 P5.WN.JM.17082950
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?
2 m
W Place values W Round off Min-max
57 P5.WN.JM.17082948
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?
2 m
W Place values W Round off Min-max
58 P5.WN.JM.17082947
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?
2 m
W Place values W Round off Min-max Money
59 P4.DE.JM.17101058
Level 1
A number when rounded off to one decimal place is 15.8. What could be the smallest possible actual number with two decimal places?
2 m
D Place values D Round off Min-max
60 P5.SP.NK.23050638
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.
3 m
Rate 1 object Unit conversion Duration Volume of cuboid Filling tank Fraction of a whole F Multiplication D Round off

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