1. WELCOME AND THANK YOU
FOR USING THIS MODUL.
PLEASE SELECT…
User’s Manual
The Module
About Author
2. User’s manual :
Click this button to go to home
Click this button to go to list of content
Button to go to next slide
Button to go to previous slide
3. Main Menu
Button to go back to main slide of each subtopic
Button to go back to main slide of tutorial
Button to go back to main slide of all question
Button to go back to question
10. By the end of this lesson, you
will able to;
1 1
• Represent fractions 10 and 100 as
decimals and vice-versa.
• Represent fractions with denominators
10,100 and 1000 as decimals.
• Read and write decimals to thousandths.
• Change fractions to decimals and vice-
versa.
11. CONTENTS
RELATIONSHIP BETWEEN DECIMALS AND
FRACTIONS
REPRESENT CHANGING
FRACTION AS FRACTIONS TO
DECIMALS AND DECIMALS AND
VICE VERSA VISE VERSA
REPRESENT FRACTIONS
WITH DENOMINATOR
10, 100, 1000 AS
DECIMALS
13. DIAGRAM DESCRIPTION
THE SHADED PART
IS ONE PART OUT OF
TEN PARTS
0.1
1 10 1.0
= ÷
1 10 0
10 1 0
=0.1 1 0
0
14. DIAGRAM DESCRIPTION
THE SHADED PART
IS ONE PART OUT OF
TEN PARTS
0.1
1 10 1.0
= ÷
1 10 0
10 1 0
=0.1 1 0
0
15. DIAGRAM DESCRIPTION
THE SHADED PART IS
27 PART OUT OF 100
PARTS
0.27
27 100 27.00
= 27 ÷ 100 0
100 270
200
= 0. 27 700
700
0
16. DIAGRAM DESCRIPTION
THE SHADED PART IS
27 PART OUT OF 100
PARTS
0.27
27 100 27.00
= 27 ÷ 100 0
100 270
200
= 0. 27 700
700
0
17. HOW TO READ AND
WRITE DECIMALS
Decimals Read and write as:
0.47
Zero point four seven
3.59 Three point five nine
38.24 Thirty-eight point two four
4.073 Four point zero seven three
18. HOW TO READ AND
WRITE DECIMALS
Decimals Read and write as:
0.47
Zero point four seven
3.59 Three point five nine
38.24 Thirty-eight point two four
4.073 Four point zero seven three
28. To change a fraction to a
decimals
Rule : Divide the numerator by the denominator
ample 1 : Change the following fraction into decimals
3
0.75
4 4 3.00
Solution : 3 0
= 3÷ 4 3 0
4 2 8
= 0 . 75 20
20
0
29. To change a fraction to a
decimals
Rule : Divide the numerator by the denominator
ample 1 : Change the following fraction into decimals
3
0.75
4 4 3.00
Solution : 3 0
= 3÷ 4 3 0
4 2 8
= 0 . 75 20
20
0
30. Example 2 : Change the following fraction into
decimals
1
1
5
1 6
Solution : 1 = 1 .2
5 6 .0
5 5 5
= 6 ÷5 1 0
1 0
= 1.2 0
31. Example 2 : Change the following fraction into
decimals
1
1
5
1 6
Solution : 1 = 1 .2
5 6 .0
5 5 5
= 6 ÷5 1 0
1 0
= 1.2 0
32. To change a decimals to a
fraction
Rule :
Express the decimals as a fraction
by the denominator by using 10, 100 and 1000.
Example 1 : Change the following decimals into
fraction
0.04
Solution : 0 . 04 =
4
100 2 zero
2 digit 1
=
25
33. To change a decimals to a
fraction
Rule :
Express the decimals as a fraction
by the denominator by using 10, 100 and 1000.
Example 1 : Change the following decimals into
fraction
0.04
Solution : 0 . 04 =
4
100 2 zero
2 digit 1
=
25
34. Example 2 : Change the following decimals
into fraction
2.25
Solution : 2 .25 = 2 + 0 .25
25
2 digit = 2 +
100 2 zero
1
=2
4
35. Example 2 : Change the following decimals
into fraction
2.25
Solution : 2 .25 = 2 + 0 .25
25
2 digit = 2 +
100 2 zero
1
=2
4
36. Example 3 : Change the following decimals
into fraction
0.075
Solution : 75
0.075 =
1000 3 zero
3 digit 3
=
40
37. Example 3 : Change the following decimals
into fraction
0.075
Solution : 75
0.075 =
1000 3 zero
3 digit 3
=
40
39. Instruction
• Form the group consist of 5 or 6
members.
• Each group are given 5 points.
• The group that want to answer the
question need to show the number of
group first. The faster one can answer the
questions.
• The correct answer get 5 points but
uncorrect answer will deduct 3 points.
• The winner get the reward.
41. 1 Write the following decimals in words
9. 99
A. Nine point nine nine nine
B. Nine point nine nine
C. Nine point ninety nine
D. Nine point nine
1 2 3 4 5 6 7 8
42. 1 Write the following decimals in words
9. 99
A. Nine point nine nine nine
B. Nine point nine nine
C. Nine point ninety nine
D. Nine point nine
53. 4 Convert the following decimal into
fraction or mixed number to its lowest
terms
2.85
A. 17 B. 5
2 2
20 8
C. 7 85
2 D. 2
20 100
1 2 3 4 5 6 7 8
54. 4 Convert the following decimal into
fraction or mixed number to its lowest
terms
2.85
2.85 = 2 + 0.85
85
=2 + A. 17 B. 5
100 2 2
20 8
17
=2
20
C. 85
2
7 D. 2
20 100
65. 7 1.987 can read as
ξ
A. One point ninety eight seven
B. One point nine eighty seven
C. One point nine eight seven
D. One point eight seven nine
1 2 3 4 5 6 7 8
66. 7 1.987 can read as
A. One point ninety eight seven
B. One point nine eighty seven
C. One point nine eight seven
D. One point eight seven nine