Mental Maths warm up Year 4

Multiply 9 by 4

Round 388 to the nearest hundred

Add 4, 9 and 7.

Is the sum of 30 and 50 odd or even?

What is two hundred and six times 10?

Which of these numbers is both a multiple of 2 and a multiple of 3?

• 16

• 15

• 18

Three times a number is 300. What is the number?

Pencils cost 10p. How many can I buy for 72p?

• 5

• 6

• 7

• 8

Is a bucket more likely to hold 10 litres or 100 litres?

• 10 litres

• 100 litres

How many millimetres are there in 3cm?

• 3mm

• 30mm

• 300mm

• 3000mm