Conversion : binary to decimal

01 to decimal

• 0

• 1

• 10

• 010

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

1101 to decimal

• 15

• 11

• 12

• 13

1111 to decimal

• 15

• 11

• 12

• 13

10111 to decimal

• 23

• 27

• 30

• 31

11101 to decimal

• 23

• 27

• 29

• 30

How many numbers can be represented with 16 bits?

• 264

• 16

• 256

• 255

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

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

How is our number system different from the binary system?

• Our number system is base-5; the binary system is base-3
• Our number system is base-10; the binary system is base-2
• Our number system is base-10; the binary system is base-1
• Our number system is base 100; the binary system is base-2