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.
