__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

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.*

- One point two nine
- Three point seven six
- Twelve point zero three
- Seventeen point one seven
- Zero point zero three
- One hundred and eight point nine six
- Three hundred and twenty one point five two
- Sixty four point zero four three
- Nine hundred and thirty six point five three two
- 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

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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