Mathematical Literacy- Finance (Inflation)

Introduction

https://youtu.be/yENxNTBsehI

Task

1. Mrs Sokhela prepares doughnuts for sale. The projected inflation rate for the year 8,1%. The old price list is given below. Prepare a new price list taking the projected inflation into account.

Ingrediates Old price per quality
Oil R25,99/litre
Flour  R22,50/5kg
Salt R11,00/kg
Milk  R9,99/400 m
Eggs R30,00/2,5 dozen
Apricot jam R10,99/450g
Yeast R6,00/200g

2

Year 2006 2007 2008 2009 2010
Average rate of inflation 5% 6.5% 11,3% 7,2% 4,5%
Cost of a loaf bread (R) 4,34 4,56 4,85 5,40 5,79
Cost of taxi trip to work (R) 5,00 5,25 5,59 6,22 6,97

2.1 During which year was the rate of inflation the highest?

2.2 Name one thing that may have influenced the cost of a taxi trip increasing so dramatically in 2008.

2.3 Bongi looked at the table and said “If the inflation rate went down in 2010 then things would be

cheaper

in 2010 than in 2009”. Do you agree with her? Explain.

Process

Click on the link below to check on how to calculate inflation rate.

https://youtu.be/EKn08KNMCJs

https://www.indeed.com/career-advice/career-development/how-to-calculate-inflation-rate#:~:text=Use%20the%20inflation%20rate%20formula,inflation%20rate%20as%20a%20percentage.

Step 1: Calculate the new price of the ingredients with the given old price and inflation rate.

Step 2: Answer the questions based on the table given.

Evaluation

 

  Description of competence Marks
  Outstanding 19-25
  Meritorious 15-18
  Satisfactory  9-14
  Adequate 8-0
     

 

Conclusion

Learners should be able to: Investigate, through calculation and discussion, the impact of inflation on the value of an item over time

Recognize that inflation represents the average increase in the prices of a variety of goods and services over time and that different items can have different inflation rates.

Credits

 

1.

Oil

R28,10

Flour R24,32
Salt R11,89
Milk R10,80
Eggs R32,43
Apricot jam R11,88
Yeast R6,47
   

 

2.

 2.1 2008

2.2 Petrol price increases

2.3 No – only if the inflation rate was negative

 

 

 

 

Teacher Page

 

For queries

Contact: 063 348 0650

Email: 0780607599k@gmail.com