Doubles and halves

What is Double 50?

• 25

• 100

• 150

• 10

Can you find half of 24?

• 12

• Half of 20 is 10 and half of 4 is 2- so the answer is 12

• 28

• 48

• No

To find a quarter of a number I would half and

Are you confident at doubling numbers?

• Yes

• No

When will you use your doubling and halving skills?

Are you confident at halving numbers?

• Yes

• No

What is double 10?

• 10 + 10 = 20

• 10 + 20 = 30

• 10 + 5 = 15

What is double 25?

• 25 + 20 = 45

• 20 + 5 = 25

• 25 + 25 = 50

....... is half of 56

• 30

• 32

• 28

45 doubled

• 85

• 95

• 90

• 84