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WorksheetsQUIZ #1 Approximation & Divisibility Rules
Total questions: 25
Worksheet time: 19mins
Round off 3 456 780 to one hundred thousand place.
3 600 000
3 000 000
3 500 000
4 000 000
Round of 635 904 to highest place.
600 000
635 000
700 000
640 000
The population of a country in May 2010 was 3 184 359. round off the population to the nearest million.
3 200 000
3180 000
4 000 000
3 000 000
8,935,514 round off the underlined number.
8 940 000
8 930 000
8 936 000
9 000 000
Round off the underlined number. 6,975,834
6 900 000
6 970 000
6 980 000
7 000 000
A company buys some computers for P5 305 650. Round off this amount to the nearest ten thousand pesos.
5 000 000
5 300 000
5 310 000
5 306 000
Round off each of the following numbers to the nearest million. 7 028 935
7 000 000
8 000 000
7 100 000
7 200 000
2 435 993 Round off to the nearest hundred thousand.
2 000 000
2 400 000
2 300 000
2 440 000
The number of coins at a bank was 9 735 935. Round off this number to the nearest hundred thousand.
8 000 000
9 800 000
9 700 000
9 740 000
Round off to the nearest million 9 742 059
9 700 000
9 800 000
9 900 000
10 000 000
What is the divisibility rule for 5?
The digits must add up to 10.
The last digit can only be a 5.
The last digit needs to be a 5 or 0.
The sum of the digits need to be divisible by 5.
Is 525 divisible by 5?
Yes
Maybe
No
I don't know
All of these numbers are divisible by 5 except for...
75,395
222,222,235
984,940
8,943,892
Which of the following is an even number?
1
4
9
5
Is 1,284,604 divisible by 2?
Yes, because 4 is an even number
Yes, because the sum of the digits is 20, which is an even number
No, because 4 is an odd number
No, because the it is not divisible by 3
What is the divisibility rule for 3?
Add up the digits. The sum must be an even number
The last digit must be a 3.
The digits must add up to 9.
Add up the digits. The sum must be a multiple of 3.
Is 81 divisible by 3?
Yes, because 81 is an odd number
Yes, because the sum of the digits is 9, a multiple of 3
No, because 81 is an odd number
No, because 81 does not end in 3
Is 555,509 divisible by 3?
Yes
Maybe
No
I don't know
2520 is divisible by 6 because:
It is divisible by 2 (even) and 5 (ends in a 0 or 5)
It's divisible by 2 (even) and 3 (sum of digits is a multiple of 3)
The sum of the digits is 12, a multiple of 6
The sum of the digits is even
A number is divisible by 10 if . . .
It is even
It ends in 0 or 5
It ends in 0
The sum of the digits is a multiple of 10
252 is divisible by 9 because:
The number is divisible by 2 and 3
The sum of the digits is a multiple of 3
The sum of the digits is a multiple of 9.
The sum of the digits is even.
How do you know if a number is divisible by 12?
The sum of the digits must be a multiple of 12
If it is divisible by 3 and 4
If it ends in 3, 6, or 9
If it is divisible by 2 or 3
How do you know if a number is divisible by 12?
The sum of the digits must be a multiple of 12
If it is divisible by 3 and 4
If it ends in 3, 6, or 9
If it is divisible by 2 or 3
You have two numbers, 20 and 100. What number can you divide out of both of them?
3
9
10
15
You have two numbers, 36 and 72. What number can you divide out of both of them?
9
6
3
All of the above
