Term 4, Number Revision

Fill in the black....

53 964 = 50 000 + (a)   + 900 + 60 + 4

Fill in the black:

78 921 = (a)   + 8000 + 900 + 20 + 1

Fill in the blank...

10 000 + (a)   + 30 + 4 = 10 634

The number 78 570 is rounded to the nearest HUNDRED. What is the answer?

• 78 500

• 78 600

• 78 000

• 78 800

The number 34 139 is rounded to the nearest HUNDRED. What is the answer?

• 35 000

• 34 100

• 43 200

• 34 200

The number 7284 is rounded to the nearest THOUSAND. What is the answer?

• 7000

• 7300

• 8000

• 7500

The number 64 892 is rounded to the nearest THOUSAND. What is the answer?

• 60 000

• 64 000

• 64 900

• 65 000

Use your whiteboard to work out the following algorithm. Make sure you set it out properly.

56 962 - 4793= (a)  

Use your whiteboard to solve the following algorithm. Make sure you set it out properly.

36 852 + 72 156

(a)  

Use your whiteboard to solve the following word problem.

Friends Kyle, Henry and Hayley, kept count of the amount of time they spent on technology over a month. In one month, Kyle spent 167 hours on his xbox, Henry spent 625 on his iPad and Hayley spent 342 on her Nintendo Switch. How much time did they spend on technology altogether?

(a)