Chapter 1 and 2

• 42

• 58

• 70

• 150

• 0

• 5

• 10

• -2

Round off 3 409 725 to

to the nearest 10000

(a)  

Round off 78.4695 to

the nearest whole number

(a)  

• 250

• 4194

• 5542

• 6000

Round off 508 754 to the nearest ten thousand

• 510 000

• 509 000

• 508 000

• 508 754

• 53%

• 510%

• 515%

• 526%

Davos is a cleaner. The table shows information about the time it will take him to clean each of the four rooms in a house.

What is the total (in minutes) taken by Davos to complete the cleaning?

• 159min

• 200min

• 355min

• 443min

Davos wants to clean all four rooms in one day. He will have breaks for a total time of 75 minutes. Davos is going to start cleaning at 9 am.

Will he finish cleaning by 4 pm?

• Total time taken=430min

  Ans: No, cant finish by 4pm

• Total time taken=355min

  Ans: No, cant finish by 4pm

• Total time taken=430min

  Ans: yes, can finish by 4pm

• Total time taken=355min

  Ans: yes, can finish by 4pm

• 105

• 200

• 123

• 153