Number crunching

Convert 56 kg to grams.

• 56 grams

• 56000 grams

• 5600 grams

• 560 grams

Find the missing numbers.
520, ____, 560, 580, ____

• 540, 590
• 540, 600
• 525, 590
• 510, 590

Double of 5 is

• 15
• 10
• 5
• 20

Half of 50 is

• 100
• 25
• 5
• 10

calculate 30 + 60 + 90 =

• 110

• 180

• 280

18 + ___________ = 100

• 80

• 82

• 81

• 140

• 150

• 144

Calculate: 75 - 38

• 37

• 43

• 32

If a box contains 24 chocolates and 6 are taken out, how many chocolates are left in the box?

• 18

• 20

• 22