Topic 4 - Percentage
Transcript of 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.
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.
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.
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=
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% =
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 =
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% =
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% =
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 =
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 %
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 %
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 %
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
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.
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.
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?
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