Class 6 - Mathematics : Decimals
Exercise : 8.2
Top Block 1
NCERT Solutions Class 6 Mathematics Decimals Ex 8.2
Question: 1.Complete the table with the help of these boxes and use decimals to write the number:
| Ones (100) |
Tenths (10) |
Hundreths (1) |
Numbers (1⁄10) |
|---|---|---|---|
Answer :
| Ones (100) |
Tenths (10) |
Hundreths (1) |
Numbers (1⁄10) |
|---|---|---|---|
| 0 | 2 | 6 | 0.26 |
| 1 | 3 | 8 | 1.38 |
| 1 | 2 | 8 | 1.28 |
Question: 2.Write the numbers given in the following place value table in decimal form:
| Hundreds (100) |
Tens (10) |
Ones (1) |
Tenths (1⁄10) |
Hundreths (1⁄100) |
Thousandths (1⁄1000) |
|---|---|---|---|---|---|
| 0 | 0 | 3 | 2 | 5 | 0 |
| 1 | 0 | 2 | 6 | 3 | |
| 0 | 3 | 0 | 0 | 2 | 5 |
| 2 | 1 | 1 | 9 | 0 | 2 |
| 0 | 1 | 2 | 2 | 4 | 1 |
Answer :
Mddle block 1
Question: 3.Write the following decimals in the place value table:
(a) 0.29
(b) 2.08
(c) 19.60
(d) 148.32
(e) 200.812
Answer :
| Number | Hundreds (100) |
Tens (10) |
Ones (1) |
Tenths (1⁄10) |
Hundreths (1⁄100) |
Thousandths (1⁄1000) |
|---|---|---|---|---|---|---|
| 0.29 | 0 | 0 | 0 | 2 | 9 | 0 |
| 2.08 | 0 | 0 | 2 | 0 | 8 | 0 |
| 19.60 | 0 | 1 | 9 | 6 | 0 | 0 |
| 148.32 | 1 | 4 | 8 | 3 | 2 | 0 |
| 200.812 | 2 | 0 | 0 | 8 | 1 | 2 |
Question: 4.Write each of the following as decimals:
(a) 20 + 9 + 4⁄10 + 1⁄100
(b) 137 + 5⁄100
(c) 710 + 6⁄100 + 4⁄1000
(d) 23 + 2⁄10 + 6⁄1000
(e) 700 + 20 + 5 + 9⁄100
Answer :
(a) 20 + 9 + 0.4 + 0.01 = 29.41
(b) 137 + 0.05 = 137.05
(c) 0.7 + 0.06 + 0.004 = 0.764
(d) 23 + 0.2 + 0.006 = 23.206
(e) 700 + 20 + 5 + 0.09 = 725.09
Question: 5.Write each of the following decimals in words:
(a) 0.03
(b) 1.20
(c) 108.56
(d) 10.07
(e) 0.032
(f) 5.008
Answer :
(a) Zero point zero three
(b) One point two zero
(c) One hundred and eight point five six
(d) Ten point zero seven
(e) Zero point zero three two
(F) Five point zero zero eight
Question: 6.Between which two numbers in tenths place on the number line does each of the given number lie?
(a) 0.06
(b) 0.45
(c) 0.19
(d) 0.66
(e) 0.92
(f) 0.57
Answer :
All the numbers lie between 0 and 1.
(a) 0.06 is nearer to 0.1.
(b) 0.45 is nearer to 0.5.
(c) 0.19 is nearer to 0.2.
(d) 0.66 is nearer to 0.7.
(e) 0.92 is nearer to 0.9.
(f) 0.57 is nearer to 0.6.
Question: 7.Write as fractions in lowest terms:
(a) 0.60
(b) 0.05
(c) 0.75
(d) 0.18
(e) 0.25
(f) 0.125
(g) 0.066
Answer :
(a) 0.60 = 60⁄100 = 3⁄5
(b) 0.05 = 5⁄100 = 1⁄20
(c) 0.75 = 75⁄100 = 3⁄4
(d) 0.18 = 18⁄100 = 9⁄50
(e) 0.25 = 25⁄100 = 1⁄4
(f) 0.125 = 125⁄1000 = 1⁄8
(g) 0.066 = 66⁄1000 = 33⁄500