Topic 4 - Percentage

18

Transcript of Topic 4 - Percentage

Page 1: Topic 4 - Percentage
Page 2: Topic 4 - Percentage

There are 100 squares in this grid. We will look at percentages (%), which are always out of 100.

When we say 50%, we mean 50 out of 100 or 100

50. Just as 23% is 23 out of 100 or

100

23.

Page 3: Topic 4 - Percentage

Base on the Percentages Squares, colour the following number of squares. 1. 8% red = ________ squares.

2. 10% blue = ________ squares.

3. 25% green = ________ squares.

4. 3% black = ________ squares.

5. 7% purple = ________ squares.

6. 9% yellow = ________ squares.

7. 3% brown = ________ squares.

8. 17% pink = ________ squares.

9. 12% orange = ________ squares.

10. 3% navy = ________ squares.

Page 4: Topic 4 - Percentage

TOPIC 3 : PERCENTAGE LEARNING AREA 1 : Percentage Learning Outcomes i) Name and write the symbol for percentage :

1. Write percentages of the shaded parts.

5. Shade 23% of the parts.

2. Write four percent in numerals.

6. Write 17% in words.

3. Write sixty-three percent in numerals.

7. Write 100% in words.

4. Write 52% in words.

8. Write fifty-eight percent in numerals.

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L.Outcome 2: State fraction of hundredths in percentage:

Question 9 – 16: Convert to percentages

9. 100

14=

14. 100

71=

10. 100

87=

15. 100

81=

11. 100

21=

16. 100

90=

12. 100

8=

17. 100

49=

13. 100

64=

18. 100

33=

Page 6: Topic 4 - Percentage

Convert to fractions of hundredths:

19. 25% =

24. 11% =

20. 8% =

25. 21% =

21. 14% =

26. 39% =

22. 63% =

27. 81% =

23. 80%

28. 99% =

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L.Outcome 3: Convert proper fractions to percentage.

Convert to percentage:

29. 10

4 =

34. 2

1 =

30. 50

20 =

35. 5

3 =

31. 20

5 =

36. 20

11 =

32. 25

5 =

37. 4

1 =

33. 10

7 =

38. 50

9 =

Page 8: Topic 4 - Percentage

L.Outcome: Convert percentage to fraction in its simplest form.

Convert to fractions in the simplest form.

39. 15% =

44. 60% =

40. 25% =

45. 75% =

41. 20% =

46. 80% =

42. 40% =

47. 28% =

43. 50% =

48. 10% =

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L.Outcome: Convert percentage to decimal number and vice versa.

Convert to decimal numbers.

49. 13% =

54. 62% =

50. 27% =

55. 84% =

51. 39% =

56. 18% =

52. 11% =

57. 5% =

53. 75% =

58. 3% =

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Convert to percentage.

59. 0.05 =

64. 0.51 =

60. 0.75 =

65. 1.25 =

61. 0.63 =

66. 2.25 =

62. 0.37 =

67. 3.06 =

63. 0.11 =

68. 1.01 =

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SUMATIVE TEST: PERCENTAGE

PAPER 1:

Instructions; Each question is followed by

four options, A, B, C and D. Choose only

one correct answer.

1. Diagram 1 consists of squares of

equal size. What is the percentage of the

shaded parts?

A 100% C 15%

B 85% D 25%

2. 43 out of 100 is

A 4100

3 C 3

100

4

B 100

43 D 4

10

3

3. 50% in words is

A five zero percent

B fifty percent

C fifteen percent

D fifty-five percent

4. Convert 11% to a decimal.

A 0.11 C 1.1

B 11.0 D 0.011

5. Convert 0.55 to a fraction.

A 55

5 C

50

55

B 50

15 D

20

11

6. Express 25

17 as a percentage.

A 17% C 68%

B 34% D 25%

7. The figure shows a hundred square grid.

What percentage of the area is

not shaded?

A 38% C 52%

B 48% D 58%

8. Which of the following is true?

A 2

1 = 5% C

10

3 = 3%

B 20

17 = 34% D

25

13 = 52%

9. Convert 0.85 to percentage

A 85 % C 0.085 %

B 0.85 % D 8.5 %

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10. 62% of RM3 200 is

A RM124 C RM1984

B RM984 D RM6214

11. 50

= 48 %

What is the missing number in the box?

A 12 C 36

B 24 D 48

12 The diagram 2 consists of squares of equal size. What is the percentage of

the shaded parts?

A 40 % C 16%

B 24% D 8%

13 Convert 76% to fraction in its simplest form.

A 20

11 C

50

13

B 25

14 D

25

19

14 Express 600ml of 2l in percentage.

A 30 % C 60 %

B 45 % D 75 %

15 Which of the following is equivalent to

80 % ?

A 10

7 C

5

4

B 4

3 D

20

17

16 Convert 76 % to fraction in its simplest form.

A 20

11 C

50

13

B 25

14 D

25

19

17 Below is a student’s name.

AINAA NAJWA

How many percent of the letters in

the name is the letter A ?

A 25 % C 75 %

B 50 % D 5 %

18 Convert 10

6 to percentage.

A 60 % C 6 %

B 30 % D 3 %

19 Which of the following is equal to

25

6 ?

A 20 % C 25 %

B 24 % D 26 %

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20 Express 71 % as a decimal.

A 0.71 C 7.1

B 7.11 D 71.0

21 Express 0.5 + 0.11 + 0.32 as a percentage.

A 0.93 % C 93 %

B 9.3 % D 930 %

22 25

14 = %

What is the number must be written

in the box?

A 14 C 39

B 25 D 56

23 Which of the following gives the biggest

value of percentage?

A 25

1 C

10

7

B 20

4 D

24

3

24 There are 100 chairs in a restaurant. 32 chairs are red colour. What is the

percentage of red chairs?

A 23 % C 68 %

B 32 % D 100 %

25 Express 10

3 +

5

1 as a percentage.

A 20 % C 50 %

B 30 % D 80 %

26 Express RM80 of RM400 in percentage.

A 8 % C 20 %

B 16 % D 40 %

27 In SK Perwaja, 49 out 100 pupils are girls. What is the percentageof girls in

the school?

A 41 % C 51 %

B 49 % D 59 %

28 Amirul had RM200. He spent RM80.What was the percentage of

money spent by him?

A 20 % C 40 %

B 30 % D 48 %

29 Puan Azelina buys 20 oranges. She eats 16 oranges. What is the percentage of

oranges left?

A 20 % C 30 %

B 25 % D 40 %

30 25

7 is equivalent to

A 14 % C 28 %

B 21 % D 42 %

31 Which of the following is correct?

A 10

3 = 3 % C

20

7= 14 %

B 5

1 = 10 % D

50

9= 18 %

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32 Convert 52 % to a fraction of hundredths.

A 100

25 C 2

100

5

B 5100

2 D

100

52

33 Out of 10 questions in English Test, Jamal got 6 answers correct. What is the

percentage of correct answers?

A 6 % C 66 %

B 60 % D 106 %

34 Which of the following is equivalent to

20%?

A 15 minutes of 1 hour.

B RM60 of RM150

C 500 g of 2 kg

D 40 cm of 2 m

35 There are 12 blue marbles and 36 red marbles in a box. What is the percentage

of blue marbles in the box?

A 25 % C 40 %

B 30 % D 45 %

36 Which of the following has the same

value as 0.06?

A 100

6 C

100

60

B 10

60 D

1000

600

37 The original price of a new shirt is RM45. How much is the new price if

20% discount is given?

A RM25 C RM32

B RM15 D RM36

38 20 % of 95 add 25% of 68 is

A 32 C 36

B 34 D 42

39 Pak Hasan has 250 ducks in his farm. How many percentage of duck are left if

he sold 5

4 of ducks to others?

A 15 % C 30 %

B 20 % D 35 %

40 Each month Rosli saves 10 % of his salary in the bank. If Rosli’s salary is

RM2500 per month, calculate his saving

for a year.

A RM250 C RM300

B RM1300 D RM3000

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SUMATIVES TEST: PERCENTAGE

PAPER 2:

1 Convert 4

2 to percentage.

5 Write thirty-five percent in numerals.

2 Convert 27 % to decimal number.

6 Write 68 % in word.

3 Convert 0.09 to percentage.

7

4 Convert 35 % to fraction in its simplest

form.

Shade 25 % of the diagram above.

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8 20 % out of RM10 is

12 What is the percentage of the shaded area

in the diagram below.

9 Express 4

1 as a percentage

10 In netball game. Najwa scores 2 out of 5 free throws. What is the percentage of her

score?

13 25% out of 240 km is

11 From the diagram below, find the percentage of the shaded parts.

14 4

3 of the students in class are girls.

State the percentage of boys in the class.

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15 50

= 18 %

What is the missing number in the

box?

18 Encik Naim’s monthly income is RM2500. He saves 30% of the total

income to the bank. How much does he

save?

16 Naim buys 2l of fresh milk. He drinks

400ml of it. What is the percentage of

fresh milk he has drunk?

19 There are 7500 chairs in the hall. 15 % of the chairs are broken. Find the number of

the broken chairs.

17 Aminah’s weight was 40kg two years

ago. There is a 25 % increment on her

weight. Calculate Aminah’s weight now.

20 Azlin baked 1320 biscuits for Hari Raya. She gave 10 % of the biscuits to her

neighbour. How many biscuits were left?

Page 18: Topic 4 - Percentage

Answers:

PERCENTAGE YEAR 5 ( PAPER 1)

NUMBER ANSWER NUMBER ANSWER

1 C 21 C

2 B 22 D

3 B 23 C

4 A 24 B

5 D 25 C

6 C 26 C

7 B 27 B

8 D 28 C

9 A 29 A

10 C 30 C

11 B 31 D

12 A 32 D

13 D 33 B

14 A 34 D

15 C 35 A

16 D 36 A

17 B 37 D

18 A 38 C

19 B 39 B

20 A 40 D