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Mastering Base 10 and Binary Conversions

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Convert the decimal number 25 to binary.

a)

11100

b)

11001

c)

10101

d)

11010

2.

Convert the decimal number 100 to binary.

a)

1001100

b)

1100010

c)

1010100

d)

1100100

3.

Convert the binary number 1010 to decimal.

a)

11

b)

10

c)

1000

d)

1011

4.

Convert the binary number 1111 to decimal.

a)

10

b)

14

c)

16

d)

15

5.

What is the binary representation of the decimal number 7?

a)

101

b)

111

c)

1110

d)

110

6.

What is the binary representation of the decimal number 15?

a)

1111

b)

1000

c)

1110

d)

1011

7.

Identify the binary digits in the number 1101.

a)

1, 1, 0, 1

b)

0, 1, 1, 0

c)

1, 1, 1, 0

d)

1, 0, 1, 1

8.

What is the place value of the leftmost digit in the binary number 10101?

a)

4

b)

8

c)

16

d)

2

9.

Perform binary addition: 101 + 110.

a)

1110

b)

1011

c)

1010

d)

1001

10.

Perform binary addition: 111 + 101.

a)

1001

b)

1100

c)

1110

d)

1010

11.

What is the decimal equivalent of the binary number 10001?

a)

16

b)

18

c)

17

d)

20

12.

What is the decimal equivalent of the binary number 1100?

a)

10

b)

8

c)

12

d)

14

13.

Convert the decimal number 63 to binary.

a)

111101

b)

111111

c)

110111

d)

111110

14.

Convert the binary number 10010 to decimal.

a)

18

b)

22

c)

20

d)

16

15.

What is the place value of the second digit from the right in the binary number 1110?

a)

8

b)

4

c)

2

d)

1