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Worksheets

MEntal mathematics

Total questions: 31

Worksheet time: 32mins

Name
Class
Date
1.

What is half of seventy?

(a)  

2.

What is the square of nine?

(a)  

3.

If I add two odd numbers together, is the answer odd or even?

a)

odd

b)

even

4.

Which triangle has two equal sides?

a)

equilateral

b)

isosceles

c)

scalene

5.

Round thirty-seven point eight to the nearest whole number.

(a)  

6.

What is fourteen point eight divided by ten?

(a)  

7.

How many millilitres are there in three point seven litres?

(a)  

8.

A puppy weighs two thousand and forty five grams. Write its weight in kilograms.

(a)  

9.

Add together: 25; 35 and 50.

(a)  

10.

Multiply eighteen by twenty.

(a)  

11.

What is double seven point eight?

(a)  

12.

How many fifty cent coins are there in twelve euro?

(a)  

13.

Give the properties of a rhombus

a)

One pair of sides are equal.

b)

The opposite sides are parallel.

c)

The adjacent angles are equal.

d)

Diagonals do not bisect each other at right angles.

e)

The sum of two adjacent angles is equal to 180 degrees.

14.

{ 3x12=303x-12=-30  }Your Answer is :- [choose 1 or more 1 options

a)

Prime

b)

Composite

c)

Divisible by 2

d)

Divisible by 7

e)

Divisible by 3

15.

Find the missing number in the following pattern

2, 5, 10, _____, 26, 37

a)

17

b)

18

c)

19

d)

15

16.

Add (-8) and (-5)

a)

-13

b)

+13

17.

Multiply : (-3) x (-4) x (+4)

a)

+48

b)

-48

c)

-8

d)

+8

18.

What is the symbol of pi?

a)

b)

π

c)

Ω

d)

19.

Arrange the numbers in ascending order: 36, 12, 29, 21, 7

a)

A. 36, 29, 21, 12, 7

b)

B. 36, 29, 7, 21, 12

c)

C. 7, 12, 21, 29, 36

d)

D. None of these

20.

Square of 14

a)

179

b)

196

c)

169

d)

28

21.

45 x 45

a)

250

b)

220

c)

90

d)

2025

22.

Find the value of x; if x = (2 × 3) + 11.

a)

55

b)

192

c)

17

d)

66

23.

50 times 5 is equal to

a)

250

b)

55

c)

45

d)

500

24.

26 + 32 - 12

a)

46

b)

47

c)

48

d)

49

25.

Area of rectangle =

a)

l x b

b)

l + b

c)

2(l + b)

26.

The perimeter of square =

a)

l2

b)

4l

c)

l x b

d)

2( l + b)

27.

What is half of 11.30 metres?

a)

5.55m

b)

5.65m

c)

5.651m

d)

5.75m

28.

What is 120 take away 37?

a)

87

b)

73

c)

93

d)

83

29.

How many days are there in a leap year?

a)

366 days

b)

365 days

c)

356 days

d)

720 days

30.

How many faces does a cuboid have?

a)

8

b)

12

c)

6

d)

3

31.

What is 20x55?

a)

1000

b)

2000

c)

1100

d)

2100