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# Mathf1 decimal

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### Mathf1 decimal

1. 1. WELCOME AND THANK YOU FOR USING THIS MODUL. PLEASE SELECT… User’s Manual The Module About Author
2. 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. 3. Main MenuButton 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
4. 4. CHAPTER 4: DECIMAL FORM 1 ENTER
5. 5. Main MenuINTRODUCTION CONTENT TUTORIAL summar y SUMMARY
6. 6. introduction
7. 7. Pyramid of EgyptThe use of decimals in daily life
8. 8. Pyramid of EgyptThe use of decimals in daily life
9. 9. 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.
10. 10. CONTENTS RELATIONSHIP BETWEEN DECIMALS AND FRACTIONS REPRESENT CHANGING FRACTION AS FRACTIONS TODECIMALS AND DECIMALS AND VICE VERSA VISE VERSA REPRESENT FRACTIONS WITH DENOMINATOR 10, 100, 1000 AS DECIMALS
11. 11. REPRESENT FRACTION ASDECIMALS AND VICE VERSA
12. 12. 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
13. 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. 14. 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
15. 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. 16. HOW TO READ ANDWRITE DECIMALSDecimals 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
17. 17. HOW TO READ ANDWRITE DECIMALSDecimals 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. 18. REPRESENT FRACTIONSWITH DENOMINATOR 10,100, 1000 AS DECIMALS
19. 19. Any fraction withdenominator 10, 100 and 1000 can be expressed indecimals.Decimals 0.1 0.01 0.001Fractions 1 1 1 10 100 1000
20. 20. Any fraction withdenominator 10, 100 and 1000 ca be expressed indecimals.Decimals 0.1 0.01 0.001Fractions 1 1 1 10 100 1000
21. 21. 1 2
22. 22. Express the following in decimals forms.Example 1 7 10Solution 7 1 digit to the right = 0 .7 of the decimal 10 1 zero in the denominator
23. 23. Express the following in decimals forms.Example 1 7 10Solution 7 1 digit to the right = 0 .7 of the decimal 10 1 zero in the denominator
24. 24. Express the following in decimals forms. 34Example 2 100Solution 34 2 digit to the right = 0 . 34 of the decimal 100 2 zero in the denominator
25. 25. Express the following in decimals forms. 34Example 2 100Solution 34 2 digit to the right = 0 . 34 of the decimal 100 2 zero in the denominator
26. 26. CHANGING FRACTIONS TODECIMALS AND VISE VERSA
27. 27. To change a fraction to a decimals Rule : Divide the numerator by the denominatorample 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
28. 28. To change a fraction to a decimals Rule : Divide the numerator by the denominatorample 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. 29. 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
30. 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. 31. 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 0.04Solution : 0 . 04 = 4 100 2 zero 2 digit 1 = 25
32. 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 0.04Solution : 0 . 04 = 4 100 2 zero 2 digit 1 = 25
33. 33. Example 2 : Change the following decimals into fraction 2.25Solution : 2 .25 = 2 + 0 .25 25 2 digit = 2 + 100 2 zero 1 =2 4
34. 34. Example 2 : Change the following decimals into fraction 2.25Solution : 2 .25 = 2 + 0 .25 25 2 digit = 2 + 100 2 zero 1 =2 4
35. 35. Example 3 : Change the following decimals into fraction 0.075Solution : 75 0.075 = 1000 3 zero 3 digit 3 = 40
36. 36. Example 3 : Change the following decimals into fraction 0.075Solution : 75 0.075 = 1000 3 zero 3 digit 3 = 40
37. 37. TUTORIAL
38. 38. 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.
39. 39. 8 7 6 5 4 31 2
40. 40. 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
41. 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
42. 42. TRY AGAIN?
43. 43. ANSWER1 2 3 4 5 6 7 8
44. 44. 2 Express the following decimals as numerals Zero point three six eight A. 0.068 B. 0.638 C. 0.863 D. 0.368 1 2 3 4 5 6 7 8
45. 45. 2 Express the following decimals as numerals Zero point three six eight A. 0.068 B. 0.638 C. 0.863 D. 0.368
46. 46. TRY AGAIN?
47. 47. ANSWER1 2 3 4 5 6 7 8
48. 48. 3 Write the following fraction as a decimals 3 ξ 3 4 A. 3.53 B. 3.75 C. 3.25 D. 3.34 1 2 3 4 5 6 7 8
49. 49. 3 Write the following fraction as a decimals 3 3 4 3.75 4 15.00 3 15 12 A. 3.53 3 = 30 4 4 20 B. 3.75 20 C. 3.25 = 15 ÷ 4 20 0 D. 3.34 = 3.75
50. 50. TRY AGAIN?
51. 51. ANSWER1 2 3 4 5 6 7 8
52. 52. 4 Convert the following decimal into fraction or mixed number to its lowest terms 2.85 A. 17 B. 5 2 2 20 8C.  7 85 2 D. 2 20 100 1 2 3 4 5 6 7 8
53. 53. 4 Convert the following decimal into fraction or mixed number to its lowest terms 2.852.85 = 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
54. 54. TRY AGAIN?
55. 55. ANSWER1 2 3 4 5 6 7 8
56. 56. ∈ 5 0.770 as a fraction is A. 107 B. 77 100 100 C.  77 70 D. 1000 1000 1 2 3 4 5 6 7 8
57. 57. 5 0.770 as a fraction is 770 0.770 = 1000 77 = 100A. 107 B. 77 100 100C.  77 70 D. 1000 1000
58. 58. TRY AGAIN?
59. 59. ANSWER1 2 3 4 5 6 7 8
60. 60. 176 Express 9 1000 as a decimals ξ A. 9.17 B. 9.017 C. 9.071 D. 0.917 1 2 3 4 5 6 7 8
61. 61. 176 Express 9 1000 as a decimals ξ 17 17 9 =9+ 1000 1000 A. 9.17 = 9 + 0.017 B. 9.017 = 9.017 C. 9.071 D. 0.917
62. 62. TRY AGAIN?
63. 63. ANSWER1 2 3 4 5 6 7 8
64. 64. 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
65. 65. 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
66. 66. TRY AGAIN?
67. 67. ANSWER1 2 3 4 5 6 7 8
68. 68. 8 Which of the following fraction is equivalent to 0.625? 5 A. 1 B. 8 4 ξ C.  5 1 D. 6 3 1 2 3 4 5 6 7 8
69. 69. 8 Which of the following fraction is equivalent to 0.625? 625 0.625 = 1000 5 5 = A. 1 B. 8 8 4 ξ C.  5 1 D. 6 3
70. 70. TRY AGAIN?
71. 71. ANSWER1 2 3 4 5 6 7 8
72. 72. SUMMARY
73. 73. DECIMALSA DECIMALS REPRESNTS A FRACTION WHOSEDENOMINATOR IS 10, 100, 1000 (multiple of 10) 3 = 3 ÷ 4 = 0.75 4 FRACTION DECIMALS 75 0.75 = 100 3 = 4
74. 74. BIODATA Nur Fatihah Bt Abdullah Practicum Teacher (09 – 00) Mathematic Education Universiti Pendidikan Sultan Idris
75. 75. Main Menu Developed by : Nur fatihah Abdullah Special ForSMS Muzaffar Syah (MOZAC)
76. 76. ARE YOU SURE TO EXIT? YES NO
77. 77. THANK YOUS