Binary Numbers

What kind of 'base' system is binary known as?

• Base 12

• Base 8

• Base 2

• Base 10

Tags

CCSS.5.NBT.A.2

We do our everyday counting in base

• Base ten

• Base two

• Base one

• Base 8

Tags

CCSS.4.NBT.A.2

A binary number contains the following digits except

• 0

• 1

• 1 and 0

• 2

A number in base ten is called

• Decimal number

• Binary number

• Octal number

• Hexadecimal

Tags

CCSS.2.NBT.A.3

Write 10 in base ten as a binary code.

• 1001 in base two

• 1010 in base two

• 1111 in base two

• 1000 in base two

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010

Tags

CCSS.2.NBT.A.3

Convert 11011 in base two to a decimal number.

• 20 in base ten

• 18 in base ten

• 23 in base ten

• 27 in base ten

Convert 32 in base ten to a binary number.

• 101010 in base two

• 111001 in base two

• 100000 in base two

• 101010 in base two

Convert 1111 in base two to a number in base ten.

• 25 in base ten

• 15 in base ten

• 30 in base ten

• 40 in base ten

Tags

CCSS.2.NBT.A.3

A binary number always starts with digit zero.

• TRUE
• FALSE