Year 7 HT3 - Binary and Decimal

Binary is a base _ number system

• Base 2

• Base 10

• Base 16

• Base 8

Decimal is a base _ number system

• Base 2

• Base 10

• Base 16

• Base 8

Which grid do we use to convert decimal numbers into binary numbers?

• 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1

• 128 | 64 | 32 | 16 | 8 | 4 | 2

• 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128

• 1 | 2 | 4 | 8 | 16 | 32 | 64

Convert the number 5 into binary

• 00000101

• 00001010

• 00001100

• 10100000

Convert the number 13 into binary

• 00001101

• 00001011

• 00001010

• 10110000

Write down the binary number for the decimal number 56

Write down the binary number for the decimal number 160

Write down the binary number for the decimal number 100

Write down the binary number for the decimal number 99

If you convert the number 202 into binary, it makes 11001010 - is this correct?

• True

• False