NAME:

TEACHER:

SOUTH GRAFTON HIGH SCHOOL

2015Preliminary Course

Focus Study: Mathematics and Communication Assessment Task

GENERAL MATHEMATICS

11MAG 1.2 Mrs O’Connor11MAG 2.2 Mr Creagh11MAG 3.2 Mrs Rudder

11MAG 5.1 Mr Smallacombe/ Mrs Kelemec11MAG 5.2 Mr Lock

Time Allowed : Teacher will inform you of the due date.General Instructions

The task is in 4 sections: Multiple Choice, Digital Download and Storage questions, Phone Plan questions and a in depth phone plan investigation.

Task value

20%Mark

/40

STRAND REFERENCES TOPICS QUESTION MARK

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Multiple Choice Mobile Phone Plans

Digital Download and File Storage

1

/10

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Digital Download and File Storage

2

/10

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Mobile Phone Plans3

/10

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Mobile Phone Plans 4

/10

TOTAL /40

Circle the correct answer.SECTION 1 - Multiple Choice ( 10 marks )

Attempt all questions . Calculators may be used. All questions are of equal value.

1. The cost of a 4 minute call with a 35cent flagfall fee and a rate of 40cents per 30 seconds or part thereof is:

A. $3.60 B. $1.15 C. $3.55 D. $4.50

2.. How many bits are in a byte?

A. 2 B. 10 C. 1024 D. 8

3.How many bytes in 16GB?

A. 16 x 230 B. 16 x 220 C. 16 x 210 D. 16x 240

4. How many different ways can 6 songs on a USB be played in shuffle mode if no song is played twice?

A. 36 B120 C. 720 D. 72

5. A bitmap image uses 560000 bits of memory. What is this size in kilobytes?

A.560kB B.54.7kB C.70kB D.68.4kB

6. Which speed is equivalent to 256kbps?

A.32kB/s B.256kB/s C.31.25kB/s D.2048kB/s

7. A broadband download speed is 14000 kbps. How long will it take to download a 4.2GB file?

A.42min B.5min C.43min D. 2577min

8. How many terabytes in 3072GB?

A.0.0029 B.3 C. 3145728 D. 3221225472

9. How many files of average size 7.2MB can be stored on a 4GB USB drive?

A.568 B. 4096 C.7372 D. 58254210. A mobile phone on a plan with a call connection fee of $0.32 and voice calls of $0.44 per 30

second block makes a call that costs $9.12. How long was the call for?

A. 9 mins B.12min C. 15min D.10min

STRAND REFERENCES TOPICS QUESTION MARK

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Multiple Choice Mobile Phone Plans

Digital Download and File Storage

1

/10

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Digital Download and File Storage

2

/10

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Mobile Phone Plans3

/10

Focus Study: Mathematics and Communication

MGP-1, MGP-2, MGP-3, MGP-5, MGP-6, MGP-7,

MGP-8, MGP-9, MGP-10

Mobile Phone Plans 4

/10

TOTAL /40

SECTION 2 – (10 marks) Bits (b) Bytes (B)1 bit (b) 1 bit 1 byte (B) 8 bits1 kilobit (kb) 1000 or 103bits 1 kilobyte (KB) 1024 or 210 B1 megabit (mb) 1 000 000 or 106 bits or

103kb1 megabyte (MB) 220B or 210KB

1 gigabit (gb) 1 000 000 000 or 109 bits or 106kb or 103 mb

1 gigabyte (GB) 230B or 220KB or 210MB

1 terabit (tb) 1 000 000 000 000 or 1012 b or 109kb or 106mb or 103gb

1 terabyte (TB) 240B or 230KB or 220MB or 210GB

1) (4 marks) Here are the sizes of 10 document files:3.2MB 210KB 3.6MB 850KB 1.2MB4.2MB 3.2MB 960KB 6.0MB 750KB

a) Using the values from the conversion table above, how many kilobytes of space to you need to store all the files?

b) What is the average (mean) size of a file in KBs to 1 decimal point?

2) (3 marks)A customer has ADSL2 and has a download speed of 20000 kbps. They are downloading a video file of 4.5GB. How long will this take to download? Use the conversion table above and show all working. (Hint kb is not the same as KB, use the conversion table above)

3) (3 marks) Katelynn has received a new 32GB tablet for her birthday from her favourite aunty to store her collection of movies and music on. Each 1 hour of video uses 420MB and each song averages 3MB.

If she uses ½ the memory for movies and ½ for songs, how many hours of video fits on the tablet and how many songs? (Use conversion table above)

SECTION 3 – Phone Plans (10 marks)

1) (8 marks)

a) What is the account number?b) What is the bill number?c) What is the due date?d) What is the balance?e) Is there any amount overdue and if so what is it?f) Are there any adjustments and if so what are they?g) What is the phone number or numbers on the bill and how much applies to each?h) What period does this bill cover?

2) (2 marks)

a) How much would a customer on the $29 Big Plan pay for a 30 minute call to another Virgin mobile at 7pm on a Saturday night?

b) How much excess fee would the customer pay if they used 2GB of data in 1 month? (Use1MB=1024KB)

SECTION 4 – In depth Phone Plan investigation (10 marks)What is the Best Phone Plan?

Focus: Consumer Arithmetic, Working Mathematically and ICT skills

Task DescriptionSuggested Materials

1. You are required to visit the websites of Telstra, Optus and Vodaphone and compare one mobile phone plan from each of the carriers against the provided calling pattern.

2. You are required to produce a table to communicate the amounts charged for each call type and the bill total for each plan.

3. You are required to communicate in writing, the results of your findings regarding: the best plan for the provided usage and what the best plan would be.

4. Explain in writing the various additional elements that impact a person’s choice of phone carrier, phone plan and handset such as bonus options etc.

calculatorExcel/ WordPhone company links provided

Additional Information

Links to websites:Telstra : http://www.telstra.comOptus : h ttp://personal.optus.com.au/ Vodaphone: http://vodafone.com.auCalling Pattern (monthly):National Direct Dialled: 50 calls ($75@ 30c per minute or part thereof )SMS: 200 messagesMMS: 50 messagesOther calls: (18/1800, 13/1300): 10 calls ($20@ 30c per minute or part thereof)Data Usage: 2.5 Gigabyte

Assessment Criteria

You will be assessed on how well you:

Calculate the cost of each individual plan Interpret the details of the plans on the websites. Clearly communicate the details and calculations in a spreadsheet or table.. Analyse the results and provide a conclusion to the best plan in written form Communicate the various elements affecting phone, carrier and plan choice Set out the results of your findings

SEE MARKING RUBRIC SUPPLIED FOR MORE DETAIL

Things You Need to Consider

Pay careful attention to the terms and conditions of each plan Look for bonus options Consider other information on carriers’ websites, e.g., network coverage, handsets, specials. The information is to be analysed for a monthly timeframe. The calling pattern provided can be considered an average monthly usage 1GB=1024MB

Marking Criteria

10 9 8 7 6 5 4 3 2 0

Knowledge, Skills and Understanding

Weighting 50%

Highly developed arithmetic skills evident--All plans included

-- All details of plans correct

--All calculations correct

Well-developed arithmetic skills evident-- 75% of plans included

-- 75% of details of plans correct

-- 75% calculations correct

Sound arithmetic skills evident--More than half of plans included

-- More than half of details correct

-- More than half of calculations correct

Basic arithmetic skills evident-- Less than 6 plans included

--More than half of details correct

--More than half of calculations correct

Limited arithmetic skills evident-- Less than 3 plans included

--Little detail of plans included or correct

--Calculations mostly incorrect

Working Mathematically CommunicatingApplying StrategiesReasoningReflecting

Weighting 40%

--Highly developed analysis of information and description of other factors provided

--Perceptive analysis of information and description of other factors -provided

--Sound analysis of information and description of other factors provided

--Basic analysis of information and description of other factors provided

--Limited analysis of information and description of other factors provided

ICTWeighting 10%

--Highly developed ICT skills evident

--Effective ICT skills evident

--Competent ICT skills

--Basic ICT skills evident

--Little ICT skills evident

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