Numbers and Integers Yr 6

What are the PRIME factors of 12

• 1,2,5,12

• 1,2,6,3,4,12

• 2,3

• 1,12

What are all the factors of 24

• 1,2,3,4,6,8,10,24

• 1,2,12,24

• 1,2,3,4,6,8,12,24

• 1,2,3,12,24

Is 77 a Prime Number?

• True

• False

Answer explanation

77 has 7 and 11 as well as 1 and 77 .

Prime Numbers have 1 and itself as factors?

• True

• False

8 - 12 =

• 4

• -4

• 0

• 2

A building has 15 floors above ground and 5 car park floors below ground.

How many floors do I travel if I leave the 12th floor and get off at the bottom carpark?

• 17

• 15

• 14

• 5

The next 2 multiples of 3 after 9 are

• 15, 19

• 12,16

• 10,11

• 12,15

This is a factor tree.

The 2 prime factors of 6 are

• 1,6

• 2,3

• 3,3

• 0,6

• 2

• 0

• 6

• 8

The Prime factors of 45 are

• 5,3,3

• 5,3

• 1,5,3,3

• 5,9