Sunday, 4 November 2018

P1 : Percentage Practice


(Part 1) TEACHING(15-20 mins)       


(Part2) Core PRACTICE (35-50mins)
Tutor: Please observe and ensure that the student follows the method/step. 
Start Time:                    End Time:              
(I) Percent (10-15 mins)                                                    Working
Express each fraction as a percentage.
1.   13 /20 =                          2.  ¾ =

Express each decimal as a percentage
3.   0.026 =                            4.  0.107 =  

Express each percentage as a fraction in its simplest form.
5.  45% =                               6.  8% =          

Express each percentage as a decimal
7.  25% =                               8.  0.7% =  

(II) Word Problems (25- 40 mins)
9.    The figure below is made up of 5 identical squares.
What percentage of the figure is shaded? (9/p1/f)
(1) 10%
(2) 20%
(3) 25%
   (4) 80%

For question 10 and 11.
The pie chart below shows the Colour Houses of 40 pupils in a class. Study it carefully and answer questions 10 and 11. (10-11/p1/f)          
10. What percentage of the pupils are in the Green House?
(1) 10%
(2) 25%
(3) 35%
(4) 75% 

11. How many pupils are in the Yellow House?
(1) 10%
(2) 25%
(3) 35%
(4) 75%   

12.  Kim bought a smartphone at a sale. She has to pay an additional 7% for GST. How much did she pay in all? (25/p1/f)
For question 13 and 14
Study the advertisement below. (16/p2/18f)
Aunt Liz ordered a chicken, a box of banana fritters and a cake.
13.  How much was the total cost of ordering the food with the delivery charge?

14.  How much change did she receive if she paid the delivery man $150?

15.  Daniel spends 20% of his monthly salary on food and 15% on transport. He then saves the rest of his money. If he saves $2275, how much is his monthly salary? (5/p2/f)

16.  Karen gave away 80% of her dresses and threw away 30 spoiled dresses. She had 10 dresses left. How many dresses did Karen have at first? (30/p1/f)

17.  The usual price of a television is $1625. John bought the television at a discount of 20%. He had to pay a 7% GST on the discounted price. How much did he pay for the television in total?

18.  The graph below shows the number of visitors at Kidz Club from Monday to Friday. The bar that shows the number of visitors on Thursday has not been drawn. 
  
If the percentage of visitors decreased by 36% from Thursday to Friday, what is the number of visitors on Thursday? (28/p1/s)

19.  Simon earns $4600 per month. He gives his children $1500, his wife 20% of his remaining salary and saves the rest. How much will his wife get if Simon gets a 10% pay raise? (6/p2/s)

Extra
1.  Amy bought 7 kg of flour. She used 4.7 kg to bake cakes. What percentage of the flour was not used? Express your answer correct to 1 decimal place.

2. Patrick had $400. He bought a pair of glasses for $78 and spent $48 on a pair shoe. What percentage of his money was left?

3.* A youth club has 50 male and 70 female members. 16% of the male members and 10% of the female members are students. What percentage of the members are students?

4.*  After a discount of 25%, the price of a concert ticket is $60. Senior citizens are given a further discount of $12. What is the total percentage discount given to senior citizens for the ticket?

5.*       Ticket at $15 each. $10 discount for every 4 tickets
Mr. Tan paid $315 for tickets to the puppet show. Hoe many tickets did he get?

6.*            1st book at 10% discount,
                2nd book at 20% discount.
      Price of 2nd book should be equal to or lower than price of 1st book.
Joan and Jose each bought two books at the sale.
(a) Joan’s books were priced at $8 and $10. How much did she pay for them?
(b) Jose paid a total of $24.80 for his two books. He paid $4 more for the 1st book than the 2nd book. What was the price of the 2nd book before discount?

7.*  Hazel was given a fixed amount of pocket money each month. In July he spent $50 and saved the rest. In August he spend 10% less and her savings increased by 25%. How much was Hazel’s pocket money for each month?

8.* Linda bought a rice cooker for $126 after a discount of 30%.
(a) What was the price of the rice cooker before discount?
(b) She paid $40 for a toaster. The total discount for the rice cooker and the toaster was $64. What was the percentage discount given for the toaster?

TheMathbooklets Content Page 
Practice Content Page 

Percentage Answer Keys
1.         65%
2.         75%
3.         2.6%
4.         10.7%
5.         9/20
6.         2/25
7.         0.25
8.         0.07
9.         2
10.      1
11.      3
12.      $51.36
13.      $124.50
14.      25.50
15.      3500
16.      40 
17.      $1391
18.      2500
19.      712

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