3.2 Divisibility Test Exercise
Authored by M. Afif Mukhlisin
Mathematics
6th - 8th Grade
Used 12+ times
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11 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following numbers are divisible by 5:
Answer explanation
Numbers that end in 0 or 5 are divisible by 5.
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following numbers are divisible by 4:
Answer explanation
If the last two digits of a number form a number that is a multiple of 4, then the original number is a multiple of 4.
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following numbers are divisible by 3:
Answer explanation
If the last two digits of a number form a number that is a multiple of 4, then the original number is a multiple of 4.
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following numbers is not divisible by 7:
Answer explanation
If the last two digits of a number form a number that is a multiple of 4, then the original number is a multiple of 4.
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
What is the smallest positive perfect square that is divisible by both 2 and 3?
(a)
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
How many numbers from 1 through 400 have a 2 in the units place (ones place) and are divisible by 4?
(a)
Answer explanation
If the last two digits of a number form a number that is a multiple of 4, then the original number is a multiple of 4. Otherwise, the original number is not a multiple of 4. The only two-digit multiples of 4 with 2 in the units place are 12, 32, 52, 72, and 92. There are 5 such multiples for each hundreds digit from 0 (the two-digit numbers) through 3. So there are numbers less than 400 that are divisible by 4. For the record, the numbers are
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Both ABC and 3D8 are three-digit numbers such that ABC - 3D8 = 269.
If 3D8 is divisible by 9, then what number does ABC represent?
(a)
Answer explanation
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