Factors and Multiples G6

Which of the following shows ALL the factors of 12?

• 2, 3, 6

• 1, 2, 3, 4, 6, 12

• 1, 6, 12

• 12, 24, 36, 48, 60

Find the first 5 multiples of 15.

• 1, 3, 5, 15, 30

• 15, 30, 45, 60, 75

• 15, 30, 60, 120, 240

• 15, 20, 25, 30, 35

What is the square root of 100?

• 50

• 25

• 10

• 1

What is

 $3^3$  ?

• 6

• 9

• 18

• 27

Which shows the prime factorisation of 48 ?

• 6 x 8

• 2 x 2 x 2 x 2 x 3

• 2 x 2 x 3 x 4

• 2 x 3 x 4 x 6 x 8

What is the GCF (or HCF) of 18 and 24 ?

• 4

• 6

• 8

• 12

What is the GCF (or HCF) of 36 and 50?

• 1

• 2

• 4

• 12

What is the LCM of 12 and 14?

• 2

• 60

• 84

• 168

What is the prime factorisation of 120?

• 12 x 10

• 2 x 3 x 5 x 5

• 2 x 2 x 2 x 2 x 2 x 5

• 2 x 2 x 2 x 3 x 5

What is 12.4 + 14.07 ?

• 26.47

• 26.11

• 25.131

• 15.31