The chapter “How Many Times” is Chapter 6 from Merry Math III for students of Class 3rd of JKBOSE. The particular post is about Length Mass and Capacity Solutions Page No 115 to Page No 120. In a previous post, you read about How Many Times Answers from Page No 106 to Page No 108. Let’s get started:
Length Mass and Capacity Solutions Page No 115 to Page No 120
Activity I Page No 115 – 116 Solutions
- Convert into decimeters
3 metres
11 metres
21 metres
45 metres
Sol.
3 metres = (10 x 3) dm = 30 dm
11 metres = (10 x 11) dm = 110dm
21 metres = (10 x 21) dm = 210dm
45 metres = (10 x 45)dm = 450dm
7 metres
19 metres
30 metres
50 metres
Sol.
7 metres = (10 x 7) dm = 70dm
19 metres = (10 × 19) dm = 190dm
30 metres = (10 x 30) dm = 300dm
50 metres = (10 x 50) dm = 500dm
- Convert into decimeters
i) 2 m 2 dm
Sol. 2m 2dm= 2m + 2dm
= (2 x 10) dm + 2dm
= 20dm + 2dm
= 22dm
- ii) 3m 4 dm
Sol. 3m 4dm= 3m + 4dm
(3 x 10) dm + 4dm
30dm + 4dm
34dm
iii) 5 m 5 dm
Sol. 5m 5dm=5m + 5dm
= (5 x 10) dm + 5dm
= 50dm + 5dm
= 55dm
iv) 5 m 5 dm
Sol. 6m 7dm= 6m + 7dm
= (6 x 10) dm + 7dm
60dm +7dm
= 67dm
v) 3m 9dm
Sol. 3m 9dm= 3m + 9dm
= (3 x 10) dm + 9dm
= 30dm + 9dm
= 39dm
vi) 9m 3dm
Sol. 9m 3dm = 9m + 3dm
= (9 x 10) dm + 3dm
= 90dm + 3dm
= 93dm
vii) 8m 8dm
Sol. 8m 8dm = 8m + 8dm
(8 x 10) dm + 8dm
= 80dm +8dm
88 dm
viii) 4m 4dm
Sol. 4m 4dm = 4m + 4dm
= (4 × 10) dm + 4dm
= 40dm + 4dm
44dm
Activity-II Page 116-117
- Convert into centimetres:
3 dm
4 dm
21 dm
32 dm
43 dm
i) 3 dm
Sol. 3 dm = (10 x 3) cm = 30cm
ii) 4 dm
Sol. 4 dm = (10 × 4) cm = 40cm
iii) 21 dm
Sol. 21dm = (10 x 21) cm = 210cm
iv) 32 dm
Sol. 32dm = (10 x 32) cm = 320cm
v) 43 dm
Sol. 43dm = (10 × 43) cm = 430cm
5 dm
10 dm
37 dm
45 dm
30 dm
i) 5 dm
Sol. 5 dm = (10 x 5) cm = 50cm
ii) 10 dm
Sol. 10dm = (10 × 10) cm = 100cm
iii) 37 dm
Sol. 37dm = (10 x 37) cm = 370cm
iv) 45 dm
Sol. 45dm = (10 x 45) cm = 450cm
v) 50 dm
Sol. 50dm = (10 x 50) cm = 500cm
- Convert into centimeters:
1 dm 2 cm
41 dm 9 cm
9 dm 7 cm
10 dm 9 cm
12 dm-3 cm
21 dm 5 cm
29 dm 1 cm
30 dm 3 cm
i) 1 dm 2 cm
Sol. 1 dm 2 cm = 1dm + 2cm
= (1 x 10) cm + 2cm
= 10 cm + 2cm
= 12 cm
ii) 41 dm 9 cm
Sol. 41 dm 9 cm = 41dm + 9cm
= (41 x 10) cm + 9cm
= 410 cm + 9cm
= 419 cm
iii) 9 dm 7 cm
Sol. 9 dm 7 cm = 9dm + 7cm
= (9 x 10) cm + 7cm
= 90 cm + 7cm
= 97 cm
iv) 10 dm 9 cm
Sol. 10 dm 9 cm = 10 dm + 9cm
= (10 x 10) cm + 9cm
= 100 cm + 9cm
= 109 cm
v) 12 dm-3 cm
Sol. 12 dm 3 cm = 12dm + 3cm
= (12 x 10) cm + 3cm
= 120cm + 3cm
= 123 cm
vi) 21 dm 5 cm
Sol. 21 dm 5 cm= 21dm + 5cm
= (21 x 10) cm + 5cm
= 210 cm + 5cm
= 215 cm
vii) 29 dm 1 cm
Sol. 29 dm 1 cm = 29dm + 1cm
= (29 x 10) cm + 1 cm
= 290cm + 1cm
= 291 cm
viii) 30 dm 3 cm
Sol. 30 dm 3 cm= 30dm + 3cm
= (30 x 10) cm + 3cm
= 300cm + 3cm
= 303 cm
Activity -III Page 118-119
- 1. Convert into centimetres :
3 m
5 m
8 m
15 m
21 m
i) 3 m
Sol. 3m = (100 x 3) cm = 300cm
ii) 5 m
Sol. 5m = (100 x 5) cm = 500cm
iii) 8 m
Sol. 8m = (100 x 8) cm = 800cm
iv) 15 m
Sol. 15m = (100 x 15) cm = 1500cm
v) 21 m
Sol. 21m = (100 x 21) cm = 2100cm
4 m
6 m
13 m
18 m
30 m
i) 4 m
Sol. 4m = (100 × 4) cm = 400cm
ii) 6 m
Sol. 6m = (100 x 6) cm = 600cm
iii) 13 m
Sol. 13m = (100 x 13) cm = 1300cm
iv) 18 m
Sol. 18m = (100 x 18) cm =1800cm
v) 30 m
Sol. 30m = (100 x 30) cm = 3000cm
- Convert into centimetres :
1 m 90 cm
9m 10 cm
18 m 18 cm
8m 8 cm
20 m 2 cm
37 m 7 cm
8 m 3 dm
7m 6 dm
15 m 5 dm
10 m 1 m
12 m 2 dm
25 m 5 dm
i) 1 m 90 cm
Sol. 1 m 90 cm = 1m + 90 cm
= (1 x 100) cm + 90 cm
100 cm + 90 cm
= 190 cm
ii) 9m 10 cm
Sol. 9 m 10 cm = 9m + 10cm
= (9 x 100) cm + 10 cm
=900cm + 10cm
= 910 cm
iii) 18 m 18 cm
Sol. 18 m 18 cm= 18m + 18 cm
= (18 x 100) cm + 18 cm
= 1800 cm + 18cm
= 1818 cm
iv) 8m 8 cm
Sol. 8 m 8 cm = 8m + 8cm
(8 x 100) cm + 8cm
= 800 cm + 8cm
= 808 cm
v) 20 m 2 cm
Sol. 20 m 2 cm = 20m + 2cm
= (20 x 100) cm + 2cm
= 2000 cm + 2cm
= 2002 cm
vi) 37 m 7 cm
Sol. 37 m 7 cm = 37m+7cm
= (37 x 100) cm + 7cm
= 3700 cm + 7cm
= 3707 cm
vii) 8 m 3 dm
Sol. 8 m 3 dm = 8m + 3dm
= (8 x 100) cm + (3 x 10) cm
= 800 cm + 30 cm
= 830 cm
viii) 7m 6 dm
Sol. 7 m 6 dm = 7m+ 6dm
= (7 x 100) cm + (6 x 10) cm
= 700 cm + 60 cm
= 760 cm
ix) 15 m 5 dm
Sol. 15 m 5 dm = 15 m + 5 dm
= (15 x 100) cm + (5 x 10) cm
= 1500 cm + 50 cm
= 1550 cm
x) 10 m 1 m
Sol. 10 m 1 dm = 10m + 1dm
= (10 x 100) cm + (1 x 10) cm
= 1000 cm + 10cm
= 1010 cm
xi) 12 m 2 dm
Sol. 12 m 2 dm = 12m + 2dm
= (12 x 100) cm + (2 x 10) cm
= 1200 cm + 20 cm
=1220 cm
xii) 25 m 5 dm
Sol. 25 m 5 dm = 25 m + 5dm
= (25 x 100) cm + (5 x 10) cm
= 2500 cm + 50 cm
=2550 cm
Page 119-120
- 1. Fill in the blanks:
Sol.
Q.2. Put a tick (🗸) on the correct relationships:
Sol.
That’s it about Length Mass and Capacity Solutions Page No 115 to Page No 120. Hope you found it useful. Do show your love and suggestions in the comment section below.
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