Page 91 - Math Skill - 4

Decimals 89

Example 5: Write the place values of underlined digits.
(a) 16.005 (b) 3.278 (c) 0.018

Solution: (a) The place value of 5 in 16.005 = 5 thousandths = 5 = 0.005
1000
(b) The place value of 2 in 3.278 = 2 tenths = 2 = 0.2
10
(c) The place value of 1 in 0.018 = 1 hundredth = 1 = 0.01
100
Example 6: Write the following in short form.
(a) 100 + 70 + 9 + 2 (b) 6000 + 200 + 7 + 5 + 3
10 100 1000

Solution: (a) 100 + 70 + 9 + 2 = 179.2 (b) 6000 + 200 + 7 + 5 + 3 = 6207.053
10 100 1000

Exercise 6.2

1. Write the number name for each of the following.

(a) 0.3 (b) 2.03 (c) 1.017 (d) 0.008 (e) 10.13
(f) 12.065 (g) 216.504 (h) 819.7 (i) 18.007 (j) 116.03
2. Write the following in figures.

(a) Point two nine (b) Three point four seven
(c) Eighteen point zero four (d) Ninety point one two three
(e) Seven hundred sixty-three point four eight
3. Write each of the following fractions as decimal.

(a) 3 (b) 7 (c) 23 (d) 47 (e) 91 (f) 3
10 10 100 100 1000 1000
4. Write the following decimals as fractions.
(a) 0.3 (b) 0.04 (c) 0.007 (d) 0.7 (e) 0.19 (f) 183.013

5. Write each of the following decimals in the place value chart.
(a) 0.58 (b) 18.018 (c) 63.53 (d) 198.007
(e) 2.106 (f) 237.845 (g) 0.684 (h) 16.198
6. Write each of the following decimals in expanded form.

(a) 24.91 (b) 36.088 (c) 15.278 (d) 83.007
(e) 163.214 (f) 230.98 (g) 725.189 (h) 601.05
7. Write each of the following in short form.

2 7 9 1 3
(a) 6 + + + (b) 600 + 20 + +
10 100 1000 10 1000
8. Which of the following groups is of like decimals?
(a) 1.1, 2.54, 0.88 (b) 7.677, 4.55 (c) 0.786, 3.406 (d) 2.85, 0.5