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MENTAL MATH

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

What does BODMAS stand for?

a)

Bold, Orange, Division, Multiplication, Addition, Subtraction

b)

Big, Opposite, Division, Multiplication, Addition, Subtraction

c)

Brackets, Order, Division, Multiplication, Addition, Subtraction

2.

The perimeter of a square is 64. Find the length of one side.

a)

8

b)

16

c)

12

d)

20

3.

1 * 3 0 9 8 * 8

+ 4 * 5 4 * 9 5

2 2 0 * * 5 3 3

How will you replace *

a)

1 7 3 0 9 8 3 8

+ 4 7 5 4 6 9 5

2 2 0 6 4 5 3 3

b)

1 2 3 0 9 8 5 8

+ 4 8 5 4 7 9 5

2 2 0 1 0 5 3 3

c)

1 2 3 0 9 8 6 8

+ 4 3 5 4 0 9 5

2 2 0 5 5 5 3 3

4.

10 x 15 + 25 = ?

a)

165

b)

175

c)

185

d)

195

5.

Look at the pattern and fill in the next three numbers:

275650, 275660, _______, _______, _______

a)

275685, 275710, 275735

b)

275670, 275680, 275690

c)

275661, 275662, 275663

d)

375650, 475650, 575650

6.

Which of the following is correct?

a)

IX < V

b)

III > IV

c)

XX = XVIII

d)

XII < XIII

7.

Which of these are the same as 420 million?

a)

42 crores

b)

42 lakhs

c)

4 crores

d)

4 lakhs

8.

How many minutes are there in 14 hours?

a)

820 minutes

b)

860 minutes

c)

830 minutes

d)

840 minutes

9.

The following bar graph shows some sports liked by students. According to the bar graph, which sport is liked the most? And by how many students?

a)

soccer, 3 students

b)

soccer, 10 students

c)

basketball, 6 students

d)

none of the above

10.

How many faces does a cube have?

a)

5

b)

4

c)

6

d)

8

11.

Does the following shape have a line of symmetry?

a)

Yes

b)

No

12.

What time does the given clock show?

a)

2:00

b)

2:50

c)

10:10

d)

2:10

13.

What is the HCF of 45 and 75?

a)

12

b)

6

c)

15

d)

20

14.

What is the LCM of 4, 10 and 15?

a)

60

b)

50

c)

40

d)

30

15.

Look at the figure. How can you name the shaded part?

a)

5/3

b)

3/5

c)

5/5

d)

3/8

e)

3/3

16.

Write 20,587,344 in words. (Note- in the Indian Place Value System)

(a)  

17.

Which of the following numbers can replace the * in the number 424*07 by the smallest number possible to make it divisible by 3.

a)

0

b)

1

c)

2

d)

3