Punjab State Board PSEB 6th Class Maths Book Solutions Chapter 6 Decimals Ex 6.1 Textbook Exercise Questions and Answers.
PSEB Solutions for Class 6 Maths Chapter 6 Decimals Ex 6.1
1. Write each of the following in figures:
Question (i)
Seventy-two point one four.
Solution:
Seventy-two point one four = 72.14
Question (ii)
Two hundred fifty-seven point zero eight
Solution:
Two hundred fifty-seven point zero eight = 257.08
Question (iii)
Eight point two five-six.
Solution:
Eight point two five six = 8.256
Question (iv)
Forty-five and twenty-three hundredths.
Solution:
Forty five and twenty three hundredths
= 45 + \(\frac {23}{100}\)
= 45.23
Question (v)
Six hundred twenty-one and two hundred fifty-three thousandths
Solution:
Six hundred twenty-one and two hundred fifty-three thousandths
= 621 + \(\frac {253}{1000}\)
= 621.253
Question (vi)
Twelve and eight thousandths.
Solution:
Twelve and eight thousandths
= 12 + \(\frac {8}{1000}\)
= 12.008
2. Write the following decimal numbers in words:
Question (i)
12.52
Solution:
12.52 = Twelve point five two or twelve and fifty-two hundredths.
Question (ii)
7.148
Solution:
7.148 = Seven point one four eight or seven and one hundred forty-eight thousandths.
Question (iii)
0.24
Solution:
0.24 = Zero Point two four or twenty-four hundredths.
Question (iv)
5.018
Solution:
5.018 = Five-point zero one eight or five and eighteen thousandths.
Question (v)
.009.
Solution:
.009 = Point zero zero nine or nine thousandths.
3. Write the following decimals in the place value table:
Question (i)
(i) 21.569
(ii) 0.64
(iii) 3.51
(iv) 14.087
(v) 3.002.
Solution:
Number | Thousands | Hundreds | Tens | Ones | Tenths | Hundredths | Thousandths |
1. 21.569 | – | – | 2 | 1 | 5 | 6 | 9 |
2. 0.64 | – | – | – | 0 | 6 | 4 | – |
3. 3.51 | – | – | – | 3 | 5 | 1 | – |
4. 14.087 | – | – | 1 | 4 | 0 | 8 | 7 |
5. 3.002 | – | – | – | 3 | 0 | 0 | 2 |
4. Write the following as decimals:
Question (i)
40 + \(\frac {2}{10}\)
Solution:
40 + \(\frac {2}{10}\) = 40.2
Question (ii)
700 + 5 + \(\frac {3}{10}\) + \(\frac {4}{100}\)
Solution:
700 + 5 + \(\frac {3}{10}\) + \(\frac {4}{100}\) = 705.34
Question (iii)
100 + \(\frac {5}{100}\) + \(\frac {3}{1000}\)
Solution:
100 + \(\frac {5}{100}\) + \(\frac {3}{1000}\) = 10.053
Question (iv)
100 + \(\frac {7}{10}\) + \(\frac {4}{1000}\)
Solution:
100 + \(\frac {7}{10}\) + \(\frac {4}{1000}\) = 0.704
Question (v)
\(\frac {5}{1000}\)
Solution:
\(\frac {5}{1000}\) = 0.005
5. Write the decimals shown in the following place value table:
Question (i)
Thousands | Hundreds | Tens | Ones | Tenth | Hundredths | Thousandths |
– | 5 | 2 | 4 | 1 | 2 | – |
2 | 0 | 3 | 4 | 2 | 1 | – |
– | – | 6 | 1 | 0 | 2 | 3 |
– | – | – | 4 | 0 | 0 | 1 |
– | 1 | 0 | 0 | 0 | 3 |
Solution:
(i) 524.12
(ii) 2034.21
(iii) 61.023
(iv) 4.001
(v) 100.03
6. Expand the following decimals.
Question (i)
2.5
Solution:
2.5 = 2 + 0.5
= 2 + \(\frac {5}{10}\)
Question (ii)
18.43
Solution:
18.43 = 10 + 8 + 0.4 + 0.03
= 10 + 8 + \(\frac {4}{10}\) + \(\frac {3}{100}\)
Question (iii)
4.05
Solution:
4.05 = 4 + 0.05
= 4 + \(\frac {5}{100}\)
Question (iv)
13.123
Solution:
13.123 = 10 + 3 + 0.1 + 0.02 + 0.003
= 10 + 3 + \(\frac {1}{10}\) + \(\frac {2}{100}\) + \(\frac {3}{1000}\)
Question (v)
245.456
Solution:
245.456 = 200 + 40 + 5 + 0.4 + 0.05 + 0.006
= 200 + 40 + 5 + \(\frac {4}{10}\) + \(\frac {5}{100}\) + \(\frac {6}{1000}\)
Question (vi)
20.057
Solution:
20.057 = 20 + 0.05 + 0.007
= 20 + \(\frac {5}{100}\) + \(\frac {7}{1000}\)