Grade 7 Number Bases Worksheet
Explore different number bases, including binary, octal, and hexadecimal, with conversion and arithmetic exercises for 7th grade math students.
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Number Bases Exploration
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Read each question carefully and follow the instructions to convert numbers between different bases and perform basic arithmetic.
1. The base-10 number system is also known as the system.
2. The binary number system uses only two digits: and .
3. In the hexadecimal system, the letter 'A' represents the decimal value .
1. What is the decimal equivalent of the binary number 1011₂?
7
9
11
13
2. Which of the following is an invalid digit in the octal number system?
0
7
8
5
1. Convert the decimal number 25 to binary.
2. Convert the binary number 11010₂ to decimal.
1. The hexadecimal number 'F' is equivalent to the decimal number 15.
True
False
2. The octal number system uses digits from 0 to 8.
True
False
1. What is the sum of the binary numbers 101₂ and 110₂? Express your answer in binary.