Level 1
Find the following values without a calculator. Round off 98765 to
  1. the nearest ten.
  2. the nearest hundred.
  3. the nearest thousand.
  4. the nearest ten thousand.
1 m
Level 1
Find the difference between 6048 and 365 by first rounding off each number to the nearest hundred.
2 m
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
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
Level 1
Find the value of 8067 x 34. Round off the answer to the nearest thousand.
2 m
Level 2
A number becomes 900 when rounded off to the nearest 100. What is the greatest possible number?
2 m
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
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
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
Level 2
The figure is made up of 3 rectangles and 3 semi-circles. Find the perimeter of the figure. (Take π = 227) Round off the answer to the nearest whole number.
2 m