Special numbers

Tests of divisibility

Name: ______________________________Date: ______________Score: ______ / 20

1.
What must a number end in to be divisible by 10?
1. A0
2. B5
3. C1
2.
300 is divisible by 5.
True False
3.
Which of these numbers is divisible by 2?
1. A163
2. B21
3. C284
4.
100 is divisible by 5.
True False
5.
Only numbers ending in 5 are divisible by 5.
True False
6.
1050 is a multiple of 50.
True False
7.
What is the largest even number you can make using the digits 5, 7, 6 and 3?
8.
25 is divisible by 5.
True False
9.
74 is divisible by 5.
True False
10.
For a two-card total to be divisible by 5, the ones digits must add to...?
1. A5 or 0
2. B2
3. C1
11.
Using all the digits 0, 1, 5 and 6 once, find the largest odd number that is divisible by 5.
12.
Which rule tells you a number is divisible by 2?
1. Ait is an even number
2. Bit ends in 5
3. Cits digits add to 10
13.
Which of these numbers is divisible by 25?
1. A1050
2. B1060
3. C1070
14.
57 is divisible by 2.
True False
15.
91 is divisible by 5.
True False
16.
172 is divisible by 4.
True False
17.
157 is divisible by 5.
True False
18.
67 is divisible by 5.
True False
19.
76 is divisible by 2.
True False
20.
116 is divisible by 5.
True False

Answer key

Special numbers — Tests of divisibility