Year 7 Binary

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 37 to binary

• 00100101
• 00100011
• 00100111
• 01000101

Convert 00010001 to decimal

• 17
• 27
• 37
• 47

Convert 00100100 to decimal

• 26
• 36
• 46
• 56

What are the number choices in binary?

• 0 and 1

• 0, 1 and 2

• 0 to 2

• 0 to 9

What are the first 6 powers in binary?

• 0, 2, 4, 8, 12, 32

• 1, 2, 4, 8, 16, 31

• 1, 2, 6, 8, 16, 32

• 1, 2, 4, 8, 16, 32

What is 23 in binary

• 10101

• 10110

• 10111

• 11000

If a binary number ends with a 1, it must be...

• An odd number
• An even number
• A prime number
• The number 12

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16