# Lesson 1- Reading And Writing Decimals

Objectives

At the end of this lesson, students should:

• Know what decimals are.
• Be able to read and write decimals.

Decimals are numbers that have a decimal point between two sets of figures.

More examples of decimals include 8.7, 16.2, 24.57, 132.7, 356.18, and 749.248.

We can read and write decimals as follows:

Example 1

6.5 can be read as six point five.

4.29 can be read as four point two nine.

Example 2

10.7 can be read as ten point seven.

15.02 can be read as fifteen point zero two.

32.146 can be read as thirty-two point one four six.

Example 3

127.3 can be read as one hundred and twenty seven point three.

456.08 can be read as four hundred and fifty six point zero eight.

300.123 can be read as three hundred point one two three.

Unit 10 Lesson 1: Exercise 1

Write the following decimals in words.

1) 4.7            11) 0.45

2) 9.5            12) 0.164

3) 12.18          13) 892.11

4) 3.69           14) 63.37

5) 7.025          15) 15.317

6) 87.19          16) 54.025

7) 100.5          17) 341.37

8) 229.13         18) 15.952

9) 24.129         19) 927.919

10) 515.3         20) 600.84

1) Four point seven
2) Nine point five
3) Twelve point one eight
4) Three point six nine
5) Seven point zero two five
6) Eighty seven point one nine
7) One hundred point five
8) Two hundred and twenty nine point one three
9) Twenty four point one two nine
10) Five hundred and fifteen point three
11) Zero point four five
12) Zero point one six four
13) Eight hundred and ninety two point one one
14) Sixty three point three seven
15) Fifteen point three one seven
16) Fifty four point zero two five
17) Three hundred and forty one point three seven
18) Fifteen point nine five two
19) Nine hundred and twenty seven point nine one nine
20) Six hundred point eight four

Unit 10 Lesson 1: Exercise 2

Write the decimals below in figures.

1. One point two nine
2. Three point seven six
3. Twelve point zero three
4. Seventeen point one seven
5. Zero point zero three
6. One hundred and eight point nine six
7. Three hundred and twenty one point five two
8. Sixty four point zero four three
9. Nine hundred and thirty six point five three two
10. Forty one point six zero seven

1) 1.29       6) 108.96
2) 3.76       7) 321.52
3) 12.03       8) 64.043
4) 17.17       9) 936.532
5) 0.03       10) 41.607

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