Questions and Solutions for NCERT Mathematics Class Sixth Exercise 8.1 of Chapter 8

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Questions and Solutions for NCERT Class 6th Mathematics Chapter 7 – Decimals – Exercise 8.1

1. Write the following as numbers in the given table.

Solution:

2. Write the following decimals in the place value table.
(a) 19.4 (b) 0.3 (c) 10.6 (d) 205.9

Solution:

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

4. Write each of the following as decimals:
(a) 5/10 (b) 3 + 7/10 (c) 200 + 60 + 5 + 1/10 (d) 70 + 8/10 (e) 88/10 (f) 4 2/10 (g) 3/2 (h) 2/5 (i) 12/5 (j) 3 3/5 (k) 4 1/2

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

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

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

Answer: 0 and 1

(b) 5.1

Answer: 5 and 6

(c) 2.6

Answer: 2 and 3

(d) 6.4

Answer: 6 and 7

(e) 9.1

Answer: 9 and 10

(f) 4.9

Answer: 4 and 5

8. Show the following numbers on the number line.
(a) 0.2 (b) 1.9 (c) 1.1 (d) 2.5

9. Write the decimal number represented by the points A, B, C, D on the given number line.

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

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