**Chapter 8 Decimals**

**Ex 8.1 Class 6 Maths Question 2.
Write the following decimals in the place value table.
(a) 19.4
(b) 0.3
(c) 10.6
(d) 205**

Solution:

Place value table is given as under:

Solution:

Place value table is given as under:

**Ex 8.1 Class 6 Maths Question 3.
Write each of the following as decimals:
(a) Seven-tenths
(b) Two tens and nine-tenths
(c) Fourteen point six
(d) One hundred and two ones
(e) Six hundred point eight**

Solution:

(a) Seven-tenths = 7 x
= 0.7

(b) Two tens and nine-tenths = 2 tens + 0 ones + 9 tenths = 20 +
= 20.9

(c) Fourteen point six = 14.6

(d) One hundred and two ones

= 1 x 100 + 2 x 1 = 100 + 2 = 102

(e) Six hundred point eight = 600.8

Solution:

(a) Seven-tenths = 7 x

(b) Two tens and nine-tenths = 2 tens + 0 ones + 9 tenths = 20 +

(c) Fourteen point six = 14.6

(d) One hundred and two ones

= 1 x 100 + 2 x 1 = 100 + 2 = 102

(e) Six hundred point eight = 600.8

**Ex 8.1 Class 6 Maths Question 4.
Write each of the following as decimals:**

Solution:

Solution:

**Ex 8.1 Class 6 Maths Question 5.
Write the following decimals as fractions. Reduce the fractions to lowest form.
(a) 0.6
(b) 2.5
(c) 1.0
(d) 3.8
(e) 13.7
(f) 21.2
(g) 6.4**

Solution:

Solution:

**Ex 8.1 Class 6 Maths Question 6.
Express the following as cm using decimals.
(a) 2 mm
(b) 30 mm
(c) 116 mm
(d) 4 cm 2 mm
(e) 162 mm
(f) 83 mm**

Solution:

We know that 10 mm = 1 cm.

Solution:

We know that 10 mm = 1 cm.

**Ex 8.1 Class 6 Maths Question 7.
Between which two whole numbers on the number line are the given numbers lie?
Which of these whole numbers is nearer the number?
**

(a) 0.8

(b) 5.1

(c) 2.6

(d) 6.4

(e) 9.1

(f) 4.9

(a) 0.8

(b) 5.1

(c) 2.6

(d) 6.4

(e) 9.1

(f) 4.9

Solution:

(a) 0.8 lies between the whole numbers 0 and 1.

(a) 5.1 lies between the whole numbers 5 and 6.

(b) 2.6 lies between the whole numbers 2 and 3.

(c) 6.4 lies between the whole numbers 6 and 7.

(d) 9.1 lies between the whole numbers 9 and 10.

(e) 4.9 lies between the whole numbers 4 and 5.

Solution:

(a) 0.8 lies between the whole numbers 0 and 1.

(a) 5.1 lies between the whole numbers 5 and 6.

(b) 2.6 lies between the whole numbers 2 and 3.

(c) 6.4 lies between the whole numbers 6 and 7.

(d) 9.1 lies between the whole numbers 9 and 10.

(e) 4.9 lies between the whole numbers 4 and 5.

**Ex 8.1 Class 6 Maths Question 8.
Show the following numbers on the number line.
(a) 0.2
(b) 1.9
(c) 1.1
(d) 2.5**

Solution:

Solution:

**Ex 8.1 Class 6 Maths Question 9.
Write the decimal number represented by the points A, B, C, D on the given
number line.**

Solution:

Point A represents 0.8

Point B represents 1.3

Point C represents 2.2

Point D represents 2.9

Solution:

Point A represents 0.8

Point B represents 1.3

Point C represents 2.2

Point D represents 2.9

**Ex 8.1 Class 6 Maths Question 10.
(a) The length of Ramesh’s notebook is 9 cm 5mm. What will be its length in cm?
(b) The length of a young gram plant is 65 mm. Express its length in cm.**

Solution:

(a) Length of the notebook = 9 cm 5 mm

(b) Length of the young gram plant = 65 mm

Solution:

(a) Length of the notebook = 9 cm 5 mm

(b) Length of the young gram plant = 65 mm

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