Number Systems Review

Binary uses 1’s & 0’s to represent data

• True
• False

What is 3 in binary?

• 0100
• 0001
• 0101
• 0011

Tags

CCSS.2.NBT.A.3

What is 12 in binary?

• 0010
• 1010
• 1100
• 1111

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Which of these are the correct place values for binary?

• 128,64,32,16,8,4,2,1

• 128, 68,34,12,6,4,2,1

• 1,0

• 0,1

Tags

CCSS.2.NBT.A.3

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 23 in binary

• 10101

• 10110

• 10111

• 11000

Tags

CCSS.2.NBT.A.3

What is 1 + 1 in binary?

• 10

• 01

• 11

• 2

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What is 111 +110?

• 1100

• 1101

• 1110

• 1111

Convert 37 to binary

• 00100101
• 00100011
• 00100111
• 01000101