Mental Maths

What is 0.6 × 4?

• 1.0

• 0.2

• 2.4

• 0.10

Which of these numbers is a prime number?

• 17

• 14

• 15

• 18

What is the perimeter of a square with sides 5 inches?

• 25

• 20

• 10

• 15

Which of these numbers is divisible by 5?

• 33

• 51

• 45

• 18

9278 = 9008 + _________

• 120

• 270

• 300

• 170

Round 3.48 to the nearest whole number.

• 3

• 4

• 5

• 6

What is the value of 2x + 1, if x= 6

• 12

• 11

• 13

• 10

I set off at 7:45a.m. My journey takes 45 minutes. When do I arrive?

• 8:00a.m

• 8:30a.m

• 8:55a.m

• 8:25a.m

1/4 of 32 subtract 1/2 of 12 =

• 1

• 2

• 3

• 4

In a class, 2/5 of the children are boys. What fraction are girls?

• 2/5

• 4/5

• 3/5

• 1/5