Think decimally...act binary!

In Binary Addition Rules - What does 1 + 1 equal?

• 1 carry the 1

• 0 carry the 1

• 2

• 0

In Binary Addition Rules - What does 1 + 0 equal?

• 0 carry the 1

• 0

• 1

• 1 carry the 1

In Binary Addition Rules - What does 0 + 0 equal?

• 0

• 1

• 0 carry the 1

• 2

In Binary Addition Rules - What does 1 + 1 + 1 equal?

• 3

• 0 carry the 1

• 1 carry the 1

• 1 carry two 1s

0001 + 0001 = ?

• 0002

• 0011

• 0010

• 0100

10111 + 101 = ?

• 11100

• 10101

What is the point of binary?

• Binary isn't a real thing

• Because it describes star systems

• It represents how computers interpret electrical signals

• Because teachers like to make you do extra math

Binary is made up of which numbers

• 3 and 4.

• 0 and 1.

• 1 and 2.

• 2 and 3.

Convert 11111111 to decimal

• 255

• 235

• 245

• 225

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

• 0,1

• 1,0