NCERT Solutions for Class 6 Maths Chapter 8 Decimals InText Questions

NCERT Solutions for Class 6 Maths Chapter 8 Decimals InText Questions

These NCERT Solutions for Class 6 Maths Chapter 8 Decimals InText Questions and Answers are prepared by our highly skilled subject experts.

NCERT Solutions for Class 6 Maths Chapter 8 Decimals InText Questions

NCERT In-text Question Page No. 165

Question 1.
Can you now write the following as decimals?

Answer:
We have,

(iii) 3 hundreds + 3 tens + 4 ones + 1 tenth

Question 2.
Write the lengths of Ravi’s and Raju’s pencils in ‘cm’ using decimals.
Answer:

Question 3.
Make three more examples similar to the one given in question 1 and solve them.
Answer:
Please try yourself.

NCERT In-text Question Page No. 167

Question 1.

NCERT In-text Question Page No. 175

Question 1.
(i) Write 2 rupees 5 paise and 2 rupees 50 paise in decimals.
(ii) Write 20 rupees 7 paise and 21 rupees 75 paise in decimals.
Answer:
(i) (a) 2 rupees 5 paise :

(b) 2 rupees 50 paise =

(ii) (a) 20 rupees 7 paise :
20 rupees +7 paise

(b) 21 rupees 75 paise :
21 rupees + 75 paise
= 21 rupees + 75 x -jy rupees
= 21 rupees + -jy rupees
= ₹ [21 + 0.75] = ₹ 21.75

NCERT In-text Question Page No. 176

Question 1.
Can you write 4 mm in ’em’ using decimals?
Answer:
Yes,
Since 10 mm = 1 cm

Question 2.
How will you write 7 cm 5 mm in ’em’ using decimals.
Answer:
7 cm 5 mm:
Since, 10 mm = 1 cm

Question 3.
How will you write 2008 m in ‘km’?
Answer:
Yes, we can change the given ‘metres’ into kilometres.

Question 4.
Can you now write 52 m as ‘km’ using decimals? How will you write 340 m as ‘km’ using decimals?
Answer:

Question 5.
How will you write 2 kg 9 g in kg’ using decimals?
Answer:

NCERT In-text Question Page No. 178

Question 1.
Find
(i) 0.29 + 0.36
(ii) 0.7 + 0.08
(iii) 1.54 + 1.80
(iv) 2.66 + 1.85
Answer:
(i) 0.29 + 0.36

∵ (9 + 6) hundredths =15 hundredths = 1
tenths + 5 hundredths
Thus, 0.29 + 0.36 = 0.65

(ii) 0.7 + 0.08

Thus, 0.7 + 0.08 = 0.78

(iii) 1.54 + 1.80

Thus, 1.54 + 1.80 = 3.34
Note: 5 tenths + 8 tenths =13 tenths
and 13 tenths = 10 tenths + 3 tenths = 1 one + 3 tenths

(iv) 2.66 + 1.85

Thus, 2.66 + 1.85 = 4.51

NCERT In-text Question Page No. 180

Question 1.
Subtract 1.85 from 5.46
Answer:
1.85 and 5.46 are ‘like decimals’.

Here, 1 is borrowed from ‘ones’ and given to tenths such that:
4 tenths + 10 tenths =14 tenths
5 ones – 1 one = 4 ones

Question 2.
Subtract 5.25 from 8.28
Answer:
5.25 and 8.28 are ‘like decimals’.

Question 3.
Subtract 0.95 from 2.29
Answer:
0.95 and 2.29 are ‘like decimals’.

Question 4.
Subtract 2.25 from 5.68
Answer:
2.25 and 5.68 are ‘like decimals’.