Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution . We provide step by step Solutions of lesson-3 Decimals for ICSE Class-7 Foundation RS Aggarwal Mathematics of Goyal Brothers Prakashan . Our Solutions contain all type Questions of Exe-3A to develop skill and confidence. Visit official Website CISCE for detail information about ICSE Board Class-7 Mathematics.
Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution
Board | ICSE |
Publications | Goyal brothers Prakashan |
Subject | Maths |
Class | 7th |
Chapter-3 | Decimals |
Writer | RS Aggrawal |
Book Name | Foundation |
Topics | Solution of Exe-3A |
Academic Session | 2023 – 2024 |
Exercise – 3A
Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution
1. Convert the following decimals into like decimals :
(i) 8.1, 9.4, 6.05, 12
Solution: 8.1, 9.4, 6.05, 12
= 8.10, 9.40, 6.05, 12.00
(Taken upto 2 decimal places)
(ii) 6.35, 11.8, 9.125, 32.04, 9
Solution: 6.35, 11.8, 9.125, 32.04, 9
= 6.350, 11.800, 9.125, 32.040, 9.000
(Taken upto 3 decimal places)
(iii) 6.005, 2, 0.6, 1.78, 14.3
Solution: 6.005, 2, 0.6, 1.78, 14.3
= 6.005, 2.000, 0.600, 1.780, 14.300
(Taken upto 3 decimal places)
(iv) 0.72, 53.76, 16, 8.304, 2.3754
Solution: 0.72, 53.76, 16, 8.304, 2.3754
= 0.7200, 53.7600, 16.0000, 8.3040, 2.3754
(Taken upto 4 decimal places)
2. Write each of the following decimals into expanded form :
(i) 16.74
Solution: 16.74
Expanded form = [10 + 6 + (7/10) + (4/100)]
(ii) 243.689
Solution: 243.689
Expanded form = [200 + 40 + 3 + (3/10) + (8/100) + (9/1000)]
(iii) 9.3578
Solution: 9.3578
Expanded form = [9 + (3/10) + (5/100) + (7/1000) + (8/10000)]
(iv) 2314.57
Solution: 2314.57
Expanded form = [200 + 300 + 10 + 4 + (5/10) + (7/10)]
3. Express each of the following as a fraction in simplest form :
(i) 0.8
Solution: 0.8
= (8/10)
= (4/5)
(ii) 0.45
Solution: 0.45
= (0.45/100)
= (9/20)
(iii) 1.6
Solution: 1.6
= (1.6/10)
= (8/5)
= 1(3/5)
(iv) 4.75
Solution: 4.75
= (4.75/100)
= (19/4)
= 4(3/4)
(v) 0.345
Solution: 0.345
= (0.345/1000)
= (69/200)
(vi) 64.015
Solution: 64.015
= (64.015/1000)
= (12803/200)
= 64(3/200)
(vii) 12.725
Solution: 12.725
= (12.725/1000)
= (509/40)
= 12(29/40)
(viii) 0.0024
Solution: 0.0024
= (24/10000)
= (3/1250)
4. Convert each of the following fractions into a decimal :
(i) (19/10)
Solution: (19/10)
= 1.9
(ii) (243/100)
Solution: (243/100)
= 2.43
(iii) (51/100)
Solution: (51/100)
= 0.51
(iv) (9/100)
Solution: (9/100)
= 0.09
(v) (72/1000)
Solution: (72/1000)
= 0.072
(vi) (3/5)
Solution: (3/5)
= 0.6
(vii) (7/8)
Solution: (7/8)
= 0.875
(viii) (37/40)
Solution: (37/40)
= 0.925
(ix) 4(3/8)
Solution: 4(3/8)
= (35/8)
= 4.375
(x) 9(1/25)
Solution: 9(1/25)
= (226/25)
= 9.04
(xi) 2(9/16)
Solution: 2(9/16)
= (41/16)
= 2.5625
(xii) 4(11/125)
Solution: 4(11/125)
= (511/125)
= 4.088
— : end of Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution:–
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