Mental Math Practice

What is the next number?

 

What is the next number? 145, 153, 161, _________

145, 153, 161, _________

Double the difference between 28 and 41.

Write twenty minutes to 11 in the morning in figures, using am or pm?

There are 33 biscuits in a bag. The dog ate one third of them. How many biscuits did it eat?

How many hours are there in 10 days?

In a century how many months are there?

• 12

• 120

• 1200

• 12000

Grace's favourite programme starts at half past 4. The time NOW is ten past 4. How many minutes are left for the programme to start?

• 10 minutes

• 15 minutes

• 20 minutes

• 25 minutes

 

Karl walks to his grandma's house every day. It is 1 km 10m there and back. How far does he walk in 1 week?

• 7170 m

• 7070m

• 6890m

• 6070m

 

What is three fifths of 25 ? 

• 15

• 25

• 20

• 10

 

I go to a cafe and buy a cake for Rs. 175 and a cup of coffee for Rs.140. How much change to I get from a 500 rupees note?

• 175

• 200

• 185

• 285