Basic 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 196 to binary

• 11000110
• 11100100
• 11000100
• 11010100

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

Tags

CCSS.4.NBT.A.2

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

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

Tags

CCSS.2.OA.C.3

What is the denary number system?

• It counts the number of dens
• Our usual base 10 number system
• A special number system for computers
• Den Ary's number system

What is the point of binary?

• It represents how computers interpret electrical signals
• Because we like to make you do extra maths ;-D
• For the lulz
• Because it describes star systems

What is 1011 in denary?

• 11
• 14
• 26
• 1011

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010

Tags

CCSS.2.NBT.A.3