CBSE Class 3 Mathematics Mental Maths Worksheet

Put the correct sign:-

1. 3000 + 300 + 3 3330

2. 20 tens + 6 ones 204

3. Two thousand nine 2009

4. 4880 4080

5. Greatest four digit number smallest five digit number.

6. Predecessor of 200 Successor of 198

7. Sum of 80 and 60 Difference of 200 and 50

8. 6 times 15 7 limes 12

9. 100 more than 120 20 less than 230

10. Product of 8 and 20 Product of 15 and 10

Put the correct sign:-

1. 3000 + 300 + 3 ___________ 3330

2. 20 tens + 6 ones 2___________ 04

3. Two thousand nine ___________ 2009

4. 4880 ___________ 4080

5. Greatest four digit number ___________ smallest five digit number.

6. Predecessor of 200 ___________ Successor of 198

7. Sum of 80 and 60 ___________ Difference of 200 and 50

8. 6 times 15 ___________ 7 limes 12

9. 100 more than 120 ___________ 20 less than 230

10. Product of 8 and 20 ___________ Product of 15 and 10

1. Write 2 division facts of :- 5X6 = 30 ___________ ___________

2. 9 hundreds minus 4 hundreds = _______________

3. __________ 25 p coins make 1 rupee.

4. The product of 50 and 50 is _____________

5. If 1 suitcase costs Rs. 170, then the cost of 9 suitcases is ___________

6. The greatest out of 999, 362, 243 is _____________

7. Rs. 2 = ____________ p

8. Half past 9 can also be written as ______________

9. If 8 kg potatoes cost Rs. 32, the price of 1 kg potatoes is ________

10. 24 X 2 X 0 = _______________

1. There are ____________ 5 rupees notes in Rs. 20.

2. The smallest out of 2400, 2407, 2270 is ____________.

3. 2 hundreds + 16 tens = _____________

4. 60 less than 600 is ____________

5. Subtract 400 from the smallest four digit number. __________

6. The successor year of the year 2013 is __________.

7. The difference of the smallest four digit number and largest three digit number is _______________

8. 8195 – 0 = ____________

9. 300 + __________ = 800

10. 3000 X 100 = ______________

1. Difference of 5700 and 1700 is ____________

2. ____________ X 71 = 0

3. When a number is multiplied by __________, the product is the number itself.

4. The two multiplication facts of 56 ÷ 7 = 8 _______, _______

5. 6538 ÷ 100 = Quotient ___________ = , Remainder ___________

6. In a leap year February has _________ days

7. 720 paise = Rs. ____________ and __________p

8. There are 32 children in a class. Each one of them are given Rs. 10 to spend. What was the total amount that they spend altogether?

9. ________ X __________ = 1

10. 4 + 4 + 4 + 4 + 4 + 4 = 4 X ___________ = ___________

1. 50 X 20 = __________ hundreds

2. 300 subtracted from 750 is __________

3. Rs. 49.50p + Rs. 10.50p = __________

4. Which is greater? 12 times 8 __________ 11 times 10

5. 15 added 3 times = __________ X 9

6. 600 + 100 = - __________ 100

7. 25 X 8 = 2 X __________

8. Complete the pattern 580, 575, 570, __________ , __________

9. 16 + 9 – 12 = __________

10. What should be subtracted from 500 to get 260 ? __________

Write true / False for the following:-

1. 45 X 35 = 35 X 45 __________

2. 28 – 13 = 13-28 __________

3. 4306 = 4000 + 30 + 6 __________

4. 538 < 583 __________

5. 791 X 0 = 386 X 0 __________

6. 570 + 160 = 800 – 60 __________

7. The place value and face value of 8 in 318 are equal __________

8. In a cube, all the edges are equal. __________

9. In a triangle all sides are equal. __________

10. 400 + (300 + 200) = (400 + 200) + 300 __________

1. 9 weeks = ______________ days

2. _____________ minutes = 180 seconds.

3. Smallest 4- digit number – 1 = ______________

4. 32 + 18 = ___________ + 32

5. 95 X _______ X 60 = 0

6. The predecessor of 1110 is _____________

7. The numeral for 7000 + 50 + 6 is ______________

8. ____________ X 11 = 121

9. 65 ÷ 13 = _______________

10. 11 taken away from 1414 is _____________

1. There are _________ notes of Rs. 5 in Rs. 100.

2. In a rectangle ____________ sides are equal.

3. The two consecutive months having 31 days are ___________, ____________

4. Complete the pattern: 48, 39, 30 _______, 12

5. Mr. Roy bought 2 boxes of chocolates with 24 chocolates in each. How many chocolates did he buy in all? ____________

6. How many more cms do you need to make a 12 cm line into 17 cm long?

7. Name any two shapes which have the same number of sides. _____________, ________________

8. What is the time if it is 2 hours 20 minutes after 12 noon? _____________

9. 57,51, 45, 39, _____________

10. Smallest four digit number formed by using the digits 2, 8, 0, 5 _____________

Comprehensive Sheet- Multiplication

Multipy:-

(1) H T O                            (2) H T O
          7 8                                   2 4 5
       x 4 5                                    x 1 6

(3) H T O                            (4) H T O
       1 0 5                                  4 3 8
       x 2 3                                   x 7 2

Fill in the blanks-

1. 85X 100= ______ 3. 87X____ = 870

2. 154X10= ______ 4. 99X____= 9900

Word Problems-

1. A bus can carry 66 children. How many children can go to picnic in 28 buses?
Solution-
_______________________________________________
______________________________________________
______________________________________________

Working

Ans. _______________________________________________

2. There are 254 grapes in one bunch. If Tanvy bought 23 bunches, how many grapes does she have altogether?
Solution-
_______________________________________________
______________________________________________
______________________________________________
Working

Ans. _______________________________________________

Comprehensive Sheet- Division

I Divide.

1. 9045 by 9 2. 7504 by 8

II Fill in the divisor-

1. 56 ÷ _____________ = 8

2. 64 ÷ _____________ = 8

3. 30 ÷ _____________ = 6

4. 49 ÷ _____________ = 7

III Fill in the place holders with >.< or =

1. 28 ÷ 4 ____________ 24 ÷ 3

2. 14 ÷ 2 ____________ 45 ÷ 5

3. 12 ÷ 3 ____________ 24 ÷ 6

4. 16 ÷ 8 ____________ 27 ÷ 3

IV Fill in the blanks-

1. 15 ÷ 15 ____________

2. 10 ÷ 1 _____________

3. 0 ÷ 7 ______________

4. 9÷ ______= 1

V Word Problem-

1. Divide the greatest 3 digit number by 7. Find the quotient and remainder
Solution-
_______________________________________________
______________________________________________
______________________________________________
Working
Ans. ________________________________________________

2. A fruit seller had to arrange 992 apples in 8 boxes. How many apples are there in one box?
Solution-
_______________________________________________
_______________________________________________
_______________________________________________
Working
 

Fill in the blanks:-

1. 4 x 30 = ________

2. 17 x (3 x 8) = (17 x 8) x ________

3. 9 times 18 = _________

4. 16 + 16 + 16 + 16 + 16 + 16 = _____ x ____ = _______

5. There are seven trees in each of 10 rows. How many trees in all?________

6. The product of the greatest three digit number and the smallest two digit number in __________

7. 100 taken away from 90 tens is __________

8. (17 times 10) – (4 times 20) = __________

9. 750 – 250 = __________

10. _____ x 10 = 870

SECTION-B [TABLES]

1. 11 x ____ = 77

2. 14 x ____ = 140

3. 16 x 11 = ____

4. 17 x 8 = _____

5. 15 x 3 = _____

6. 18 x 4 = _____

7. 9 x ____ = 63

8. 8 x 8 = _____

9. 12 x 9 = ____

10. ____ x 5 = 65

SECTION-C

Q.1. Fill in the blanks using suitable property of multiplication:-

(a) 93 x _____ = 93 (c) 13 x 4 = 4 x ______

(b) ____ x 125 = 0 (d) (9 x 5) x 28 = (5 x ___) x 9

Q.2. Multiply:-

(a) 78 x 100=_____ (c) 95 x1000 = _____

(b) 356 x 10 = _____ (d) 80 x 100 = _____

Q.3. Find the product using a number line:-
5 x 3

Q.4. Multiply and find the products:-

(a) 2 0 3                                 (b) 3 8 9
        x 2                                          x 6

(c) 8 0 9                                 (d) 3 8 9
      x 7 8                                      x 4 5

Q.5. Word problem:-

(a) A cartoonist sketches 104 cartoons in a month. If he draws the same number of cartoons every month; how many cartoons would he draw in a year?
Solution :-
_______________________________________________
_______________________________________________
_______________________________________________
Working:-
Ans:________________________

Please note down the start time and finish time in doing following questions

Solve the following:

a) 45 X 10 =________

b) 78 X 56=____X 78

c) 64 divided by 8 =_______

d) 768 x 100= __________

e) 843 divided by 1=___________

f) 0 divided by 7=___________

g) If 8x9 =72 , then 72 divided by 9 = ________

h) If 7 X 5 = 35 , then 37 divided by 7 = _______

Total time taken: _________