Mental Maths 1

What is the expanded form of this number? 3571

• 4000 +300 +70 + 1

• 3000 + 500 +70 + 1

• 7000 +300 + 40 + 1

• 3000 +700 + 50 + 1

What is the value of 7 in this number: 3789

• 70

• 7

• 7000

• 700

Round 450 to its nearest 100.

• 500

• 400

How many hours are there in 1 day?

• 23 hours

• 21 hours

• 24 hours

• 25 hours

How many cents are there in €2.78?

• 2.78c

• 20078c

• 78c

• 278c

Work out: 36 + 19 =

• 56

• 55

• 57

• 58

What is the time?

• 6:50

• 7:50

• 10:07

• 6:55

How many ml are there in 1 litre?

• 100ml

• 1000ml

• 10,000

How many mins are there in 2 hours and 10 mins?

• 120 mins

• 110 mins

• 130 mins

• 140 mins

How many days in 2 weeks 3 days?

• 17

• 14

• 16