How many Times
NCERT solutions for Class 3 Mathematics

NCERT Solutions for Class 3 Maths How many Times
CHAPTER – 9 Class 3 Maths How many Times
1. How many spiders?
Ans. 3 spiders.
2. In the same way, how many bottles are these?
Ans. 4 times 5 = 20 bottles.
3. How many eggs?
Ans. 6 times 5 = 30 eggs.
4. Rewrite using the + sign.
Ans. (a) 2
5 times 5 or 5 + 5
4
18 times 18 or 18 + 18 + 18 + 18
3
20 is 3 times 20 or 20 + 20 + 20
8
9 is 8 times 9 or 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9
5. Ramu bought 4 packets of biscuits. Each packet has 4 biscuits did Ramu buy?
Ans. 4
4 = 16 biscuits.
6. There are 12 desks in a classroom. Each desk has 4 legs. What is the total number of legs of the desk?
Ans. 12
4 = 48 legs.
7. Sabiha brought home 3 bunches of flowers. Each bunch has 4 flowers. How many flowers were there?
Ans. 3
4 = 12 flowers.
8. One rail coach has 8 wheels. How many wheels in all in 6 coaches?
Ans. 6
8 = 48 wheels.
9. Tarru frogs jumps 3 steps each time. Which numbers will Tarru touch?
Ans. 1
3 = 3, 2
3 = 6, 3
3 = 9, 4
3 = 12, 5
3 = 15, 6
3 = 18, 7
3 = 21, 8
3 = 24, 9
3 = 27, 10
3 = 30, 11
3 = 33, 12
3 = 36, 13
3 = 39, 14
3 = 42, 15
3 = 45.
10. Show jumps with 4 steps.
Ans. 1
4 = 4, 2
4 = 8, 3
4 = 12, 4
4 = 16, 5
4 = 20, 6
4 = 24, 7
4 = 28, 8
4 = 32, 9
4 = 36, 10
4 = 40, 11
4 = 44, 12
4 = 48, 13
4 = 52, 14
4 = 56, 15
4 = 60.
11. Try jumps with seven steps.
Ans. 1
7 = 7, 2
7 = 14, 3
7 = 21, 4
7 = 28, 5
7 = 35, 6
7 = 42, 7
7 = 49, 8
7 = 56, 9
7 = 63, 10
7 = 70, 11
7 = 77, 12
7 = 84, 13
7 = 91, 14
7 = 98, 15
7 = 105.
Class 3 Maths How many Times
12. How much do these things cost?
(a) 4 toffees cost ______ rupees.
Ans. 4
2 = 8 rupees.
(b) 3 pencil cost _____ rupees.
Ans. 3
10 = 30 rupees.
(c) 10 pencil boxes cost _____rupees.
Ans. 10
10 = 100 rupees.
(d) 9 balloons cost _____ rupees.
Ans. 5
9 = 45 rupees.
(e) 5 toys cost ____ rupees.
Ans. 5
4 = 20 rupees.
(f) 7 face masks cost _____ rupees.
Ans. 7
3 = 21 rupees.
13. Complete the following:
(a) 2
7 = ___
Ans. 14.
(b) 3
9 = ___
Ans. 27.
(c) 4
9 = ___
Ans. 36.
(d) 5
2 = ___
Ans. 10.
(e) 5
8 = ___
Ans. 40.
(f) 3
10 = ___
Ans. 30.
(g) 10
6 = ___
Ans. 60.
(h) 2
8 = __
Ans. 16.
(i) 5
9 = ___
Ans. 45.
(j) 10
8 = ___
Ans. 80.
14. Look at the pattern and complete them.
(a) 3, 6, 9, _________
Ans. 3, 6, 9, 12, 15, 18.
(b) 2, 4, 6, ________
Ans. 2, 4, 6, 8, 10, 12.
(c) 10, 20, 30, _______
Ans. 10, 20, 30, 40, 50, 60.
(d) 4, 8, 12, _______
Ans. 4, 8, 12, 16, 20, 24.
(e) 5, 10, 15, _______
Ans. 5, 10, 15, 20, 25, 30.
(f) 30, 60, 90, _______
Ans. 30, 60, 90, 120, 150, 180.
15. A shirt has 5 buttons. How many buttons would 3 shirts have?
Ans. 5
3= 15 buttons.
16. There are four fans. Each fan has 3 blades. What is the total number of blades in all?
Ans. 4
3 = 12 blades.
17. A box contain 6 apples. How many apples in all with seven boxes have?
Ans. 6
7 = 42 apples.
18. How many corners would 4 triangles have?
Ans. 4
3 = 12 corners.
19. Some multiplication facts:
(a) 8
3 = ___
Ans. 24.
(b) 5
__ = 35
Ans. 7.
(c) 3
__ = ___
Ans. 3
4= 12.
(d) __
6 = 36
Ans. 6.
(e) 10
__ = __
Ans. 10
5 = 50.
(f) 5
__ = 40.
Ans. 8.
(g) __
9 = 36.
Ans. 4.
(h) __
___ = 54.
Ans. 9
6 = 54.
(i) __
7 = 28.
Ans. 4.
Class 3 Maths How many Times
20. A flower has five petals. A bunch of flowers has 13 flowers. How many petals are there in the bunch?
Ans. 13
5 means 13 times 5.
10 times 5 is 50.
So, the answer is more than 50.
20 times 5 is 100.
So, the answer is less than 100.
10 | 3 | |
5 | 10 | 3 |
50 | 15 |
Adding 50 and 15
5 | 0 |
+1 | 5 |
6 | 5 |
So, 13
5 = 65.
Thus, there are 65 petals in a bunch.
21. A book has 64 pages. What will be the total number of pages in 8 such books?
Ans. 64
8 means 64 is 8
60 times 8 is 480.
So, the answer is more than 480
70 times 8 is 560
60 | 4 | |
8 | 60 | 4 |
480 | 32 |
Adding 480 and 32
4 | 8 | 0 |
+ | 3 | 2 |
5 | 1 | 2 |
So, 64
8 = 512
Thus, there are 512 pages in 8 books.
Class 3 Maths How many Times
22. Students stand in rows in the assembly. There are six rows of students. How many students are there?
Ans. 17
6 means 17 times 6
10 times 6 means 60
So, the answer is more than 60
20 times 6 means 120
So, the answer is less than 120
10 | 7 | |
6 | 10 | 7 |
60 | 42 |
Adding 60 and 42
6 | 0 |
+4 | 2 |
10 | 2 |
So, 17
6 = 102
Thus, there are 102 students.
23. A design has 3 flowers in it. A piece of cloth has 17 such designs. How many flowers will be on the cloth?
Ans. 20
3 = 60
20 times 3 is 60.
So, the answer is less than 60.
10 | 7 | |
3 | 10 | 7 |
30 | 21 |
Adding 30 and 21
3 | 0 |
+2 | 1 |
5 | 1 |
So, 17
3 = 51
Thus, there are 51 flowers on the cloth.
24. First guess the answer and then check it by calculating:
(a) 42
23 = ____
Ans. So, the answer is more than 840.
40 | 2 | |
20 | 40 800 | 2 40 |
3 | 40 120 | 2 6 |
Add the numbers
8 | 0 | 0 |
1 | 2 | 0 |
4 | 0 | |
+ | 6 | |
9 | 6 | 6 |
So, 42
23 = 966.
(b) 51
13
Ans. So, the answer is more than 510.
50 | 1 | |
10 | 50 500 | 1 10 |
3 | 50 150 | 1 3 |
Add the numbers
5 | 0 | 0 |
1 | 5 | 0 |
1 | 0 | |
+ | 3 | |
6 | 6 | 3 |
So, 51
13 = 663.
(c) 25
36 = ___
Ans. So, the answer is more than 730.
20 | 5 | |
30 | 20 600 | 5 150 |
6 | 20 120 | 5 30 |
Add the numbers
6 | 0 | 0 |
1 | 2 | 0 |
1 | 5 | 0 |
+ | 3 | 0 |
9 | 0 | 0 |
So, 25
36 = 900.
(d) 73
11 = ___
Ans. So, the answer is more than 730.
70 | 3 | |
10 | 70 700 | 3 30 |
1 | 70 70 | 3 3 |
Add the numbers
7 | 0 | 0 |
7 | 0 | |
3 | 0 | |
+ | 3 | |
8 | 0 | 3 |
So, 73
11 = 803.
(e) 54
12= ___
Ans. So, the answer is more than 540.
50 | 4 | |
10 | 50 500 | 4 40 |
2 | 50 100 | 4 8 |
Add the numbers
5 | 0 | 0 |
1 | 0 | 0 |
4 | 0 | |
+ | 8 | |
6 | 4 | 8 |
So, 54
12 = 648.
(f) 12
14 = ___
Ans. So, the answer is more than 120.
10 | 2 | |
10 | 10 100 | 2 20 |
4 | 10 40 | 2 8 |
Add the numbers
1 | 0 | 0 |
4 | 0 | |
2 | 0 | |
+ | 8 | |
1 | 6 | 8 |
So, 12
14 = 168.