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Worksheets

Mental Math

Total questions: 15

Worksheet time: 17mins

Name
Class
Date
1.

Which is the largest?

0.62 0.47 0.8 0.67 0.53 0.09

(a)  

2.

3.89 x 6.83

(a)  

3.

What is the median of: 35, 27, 51, 31, 28, 19, 33

(a)  

4.

0.73 + (a)   = 1

5.

What is next in the series?

2, a, 5, d, 8, g, 11, (a)  

6.

Fatima can finish a book in 10 days. If she could read 2 times faster, in how many days can she finish the same book?

a)

5

b)

20

c)

10

d)

15

7.

The next number in the sequence 4, 5, 8, 13, 20, 29, ______ is

a)

42

b)

38

c)

40

d)

49

8.

Elizabeth is 40 years old. She is 19 years older than her daughter. What is the difference between their ages after 10 years?

a)

5

b)

19

c)

24

d)

30

9.

Which number is the odd one out?

a)

2436

b)

4864

c)

2084

d)

8088

e)

1375

10.

What comes next in this series?

1...A...6...B...4...C...9...D...11...?

a)

10

b)

R

c)

7

d)

E

11.

If a bookseller makes a profit of 20% based on the selling price of a book, what percentage does the bookseller make on the original price?

a)

20

b)

22.5

c)

80

d)

85

12.

A regular hexagon can be divided into 6 equilateral triangles by drawing at least how many straight lines?

a)

3

b)

4

c)

5

d)

7

13.

Which of the following comes next?

JAK KBL LCM MDN _______

a)

OEP

b)

NEO

c)

MEN

d)

PFQ

14.

Which of the following is wrong?

a)

11 is a prime number

b)

Addition of two even numbers is an even number

c)

Multiplication of an even number by an odd number is an odd number

d)

81 is a perfect square

e)

1997 is an odd number

15.

Which one of the following has no symmetry line?

a)

Circle

b)

Square

c)

Rhombus

d)

Kite

e)

Parallelogram