Mathematical Literacy Memo 2 (English)

Feb-March 2012 — Grade 12 / Matric — Mathematical Literacy

Memo 2012 Grade 12 English Mathematical Literacy Hub →

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🎯 150 marks ⏱️ 3h 📄 12 pages 📝 54 items found 📚 4 topics 🔑 2 key info

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Q5— Section header —

Q1— Section header —

1.1Mr Gys and his friends are planning on going camping one weekend. They will use a of the tent is recta ngular with a length of 380 cm and a width of 265 cm. They need to buy a groundsheet to place underneath the tent. (A groundsheet is a

1.1.1Determine the scale used if the widt h of the tent in the picture is 45 mm. Give the scale in the form: 1 :

1.1.2Rolls of the thick plastic are sold as follows: 2 m wide plastic costing R20,99 per metre, including VAT 6 m wide plastic costing R44,99 per metre, including VAT These rolls of plastic are so ld in metre lengths only.

1.2To help them in planning when to go cam ping, they used 24-hour meteograms to see (A meteogram is a graph of the predicted weather conditions for a certain period of time. It shows the temperature fluctuati

1.2.1Give an estimation of the period of time on Day 1 that the predicted temperature will fall below 0

1.2.2Estimate the maximum temperature on Day 2 and the time at which the temperature on Day 2 was at its maximum.

1.2.3During which time interval was the predicted temperature on Day 1 lower than the predicted temperature on Day 2?

1.2.4Use the range of the temperatures for the two days to determine on which one of the two days you would sugge st they should go camping. Explain

1.3They went fishing during their camping trip and recorded the ma ss (in grams\ 1 513875 3 0259121 809 1 513 1 0031 794 1 6289581 052 The following are statistical measur

1.3.1Determine the number of fish caught having a mass between the lower

1.3.2Which ONE of the following measures of central tendency (median, mean or mode\ a twelfth fi sh with a mass of 1 462 g was also caught?

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2.1The principal of the local school asked Lihle to take over the runn ing of the school tuck shop. He wanted to show Lihle that the annual profit from the tuck shop increases each year. TABLE 1 below shows th

2.1.1Explain why the two graphs have different shapes. (2\

2.1.2Identify and explain which ONE of the two graphs the principal would ANNUAL PROFIT OF THE TUCKSHOP ANNUAL PROFIT OF THE TUCKSHOP 200 m or 140 m uted) juice which had to

2.2On the opening day of the tuck shop, Lihle decided to give free diluted juice (either \e first few customers. For this free offer, she used 1 200 m of concentrated (undil be mixed with water in the ratio of 1

2.2.1She has a cylindrical container with a diameter of 20 cm and a height of 35 cm.

2.2.2The first 40 customers will each receive 200 m of free juice. Calculate the number of customers who will receive 140 m

2.2.3Write down a formula that could be used to calculate how many learners will receive 140 m of free juice, if number of learners received

Q3— Section header —

3.1Discipline is a serious problem in many South African schools. Mr Khan, the principal of ABC High School , kept a record of the transgressions (breaking of school rules\itted by the Grade 10 to 12 learners at his school

3.1.1Name any TWO transgressions that could be named under Category F.

3.1.2Mr Khan stated: 'The percentage of the total number of learners caught copying during the first term of 2011 increased by more than 5% from Grade 10 to Grade 11 to Grade 12.' Verify whether his statement is co

3.1.3Identify a possible trend relating to the number of transgressions from

3.1.4What type of graphical repres illustrate the information given in TABLE 2? Motivate your answer. arrived late during the first term LATE Grade 12 A

3.2Mr Abel and Mrs Botha, the class teach ers (register teachers\d Grade 12 B respectively, provided informa tion (shown in TABLE 3 below\ number of learners who arrived la te during the first term of 2011.

3.3.1On Day 8, Tom arrived at school at the start of peri od 2. Calculate his arrival time at the school.

3.3.2Give a possible explanation w hy no time was recorded for Tom on

3.3.3Determine the average number of mi nutes Zara arrived late at school. (6\

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4.1Mrs Nkosi lives in the centre of Pretoria car, covering approximately 65 km each way. She works a five-day week and presently a colleague travels with her to work. Mrs Nkosi pays an average of R650,00 per

4.1.1Determine the latest time that Mr s Nkosi should leave home to ensure that she always arrives at work on time.

4.1.2Calculate Mrs Nkosi's total expenses to and from work for a 22-day working month.

4.2Mrs Nkosi decides to use the Gautrain to travel between Pretoria and Sandton. (The Passengers are able to make the trip betw een Pretoria station and Sandton station in 42 minutes, which includes three 1-minute st

4.3Mrs Nkosi has the option of using the 'P ay-As-You-Go' payment system or using a '35-Day Pass'. The Gautrain fares in rand are given on ANNEXURE B. It would cost her R150,00 per month for petrol to travel from her home to the station

4.3.1How much money would Mrs Nkosi save if she decide s to buy a '35-Day Pass' rather than use the 'Pay-As-You-Go' system?

4.3.2Mrs Nkosi's daughter travelled from Pretoria station to using the Gautrain and paid R43,00 on the 'Pay-As-You-Go' system for The total cost of travelling to th Name her TWO destinations.

4.3.3Determine the difference in total expenses if Mrs Nkosi used a '35-Day Pass' to travel to work for 22 da

4.3.4Explain, stating at least TWO financial reasons, whether Mrs Nkosi

Q5— Section header —

5.1Peggy is the owner of the Tasty Sandwich Company. Her weekly expenses are: Wages 25% of the total weekly expenses The cost of the ingredients and

5.1.1(a\Calculate her total weekly expenses. (5\ (b\Write down a formula that Pe ggy could use to calculate her total costs (in rand\ number of sandwiches in the form: (c\Peggy's total costs for making sandwiches in one

5.1.2Calculate the missing values and . Explain the meaning of each of these calculated values.

5.1.3Draw a curved line on the grid on ANNEXURE C to show the relationship between the total cost of producing one sandwich and the number of sandwiches produced per week.

5.1.4Peggy calculated that the total cost per sandwic h could vary from R6,00 Calculate how many sandwiches she w ould produce if the total cost per (a\A minimum (1\ (b\A maximum (3\ long and it is 30 mm thick.

5.2The sandwiches are made from two square slices of bread with a filling between them. Each side of the sandwich is 110 mm Each square sandwich is cut diagonally to form two triangular pieces which are stacked

5.2.1(a\Determine the diagonal length, rounded off to the nearest cm, of the 2s, where d = length of the diagonal side of the sandwich s = length of the side of the sandwich (b\ The ratio of the length of the sticker to the length of the diagonal side

5.2.2The boxed sandwiches need to be pa cked into a rectangular carton that is 94,6 cm long, 58 cm wide and 36 cm high. The sandwiches will be packed upright, as indicated in the sketch Determine the maximum number of boxe

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Topics Identified

GeometryTrigonometryAnalytical GeometryStatistics

Mark Allocation

Total150 marks

Sections28 + 18 + 30 + 32 + 42 = 150 marks

Per-question sum133 marks

Key Information

Contact Number0 00010 1001 · 0 20010 3001

Websitewww.yr.no

Paper information

SubjectMathematical Literacy

Year2012

SessionFeb-March

TypeMemo

PaperPaper 2

LanguageEnglish

Pages15

Downloads3

Examination context

Decade2010s

Years ago14y

Season—

Start day—

Exam period—

Days since exam—

About Mathematical Literacy examination preparation

Grade 12 Mathematical Literacy applies mathematical ideas to everyday situations. Paper 1 covers basic calculations and financial mathematics, while Paper 2 tests data handling, measurement, and multi-step problem-solving.

Every available Grade 12 Mathematical Literacy past paper and memorandum is collected in the Mathematical Literacy hub at mathematical-literacy.freemode.co.za — browse all years, sessions and languages in one place.

How to use this resource for revision

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For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

interpreting real-world information

working with tables and graphs

financial and quantitative reasoning

using appropriate calculations

communicating answers clearly

A practical revision approach

Always check units and ensure your final answer makes sense in context. Underline key information in the question before attempting any calculation.

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