MATHEMATICAL LITERACY
PAPER 2
GRADE 12
NSC EXAMS
PAST PAPERS AND MEMOS NOVEMBER 2018
Symbol/ | Explanation |
M | Method |
MA | Method with accuracy |
CA | Consistent accuracy |
A | Accuracy |
C | Conversion |
S | Simplification |
RT | Reading from a table/graph/document/diagram |
SF | Correct substitution in a formula |
O | Opinion/Explanation |
P | Penalty, e.g. for no units, incorrect rounding off, etc. |
R/RCA | Rounding off /Rounding with CA |
NPR | No penalty for rounding |
AO | Answer only |
MCA | Method with constant accuracy |
NOTE:
QUESTION 1 [38 MARKS] | |||
Q/V | Solution | Explanation | T&L |
1.1.1 | Discount percentage | 1RT numerator and denominator | F L2 |
1.1.2 | Sub Total | 1M subtracting discount | F L2 |
1.1.3 | ✔✔ O | 2O reason (2) | F L4 |
Q/V | Solution | Explanation | T&L |
1.1.4 | Interest Year 1 It is not enough / not sufficient | 1MA calculating interest OR 1C conversion to years OR 2M multiply the principal with 106 % | F L3 |
Q | Solution | Explanation | T&L |
1.1.5 | ✔O OR The dealer added 1% on the VAT inclusive price of ✔ O R182 500 / Calculating VAT on VAT OR Mistake is calculating the increased 1% on the VAT inculsive amount. ✔ O | 1O reason OR 1O stating the error or the solution OR 1O describing the error | F L4 |
Q | Solution | Explanation | T&L |
1.2.1 (a) | Surface area of an open box ✔SF Or = 1,02 × 5,886488 m2 | 1SF Substitution | M L3 |
1.2.1 (b) | Cost = Number of 5 litre × 2 coats × Price per 5 litre ✔ CA OR | CA from 1.2.1(a) OR 1MCA multiply by 2 | F L2 |
Q | Solution | Explanation | T&L |
1.2.2 | To protect the cargo bin's surface from scratching/rusting/ being damaged. ✔✔O OR Extend the life span of a bakkie's loading box ✔✔O OR To stop goods from slipping/protection of goods ✔✔O | 2O reason (2) | M L4 |
1.3 | Time:
Total time needed OR Apply 1st coat (20 min) 8:15 - 8:35 ✔M Apply 2nd coat (20 min) 12:35 - 12:55 ✔ MCA | 1C converting OR 1M adding times | M L2 |
[38] |
QUESTION2 [38MARKS] | |||
Q | Solution | Explanation | T&L |
2.1.1 (a) | ✔ MA | 1MA subtracting correct values | D L2 |
2.1.1 (b) | ✔MCA | CA from 2.1.1(a) | D L3 |
2.1.2 | ✔ A | 1A year increased | D L4 |
2.1.3 | ✔A ✔O | 1A product | D L4 |
2.1.4 | ✔O ✔O | 1O No | D L4 |
Q/V | Solution/Oplossing | Explanation/Verduideliking | T&L |
2.1.5 | Percentage imports and average growth of Personal Care and Cosmetics to Australia | D L3 |
Q | Solution | Explanation | T&L |
2.2.1 | Total cost = Basefare+ 10 × cost per mile | 2RT using correct values | F L2 |
2.2.2 | Maximum distance (in miles)/Maksimum afstand(in myl) | 1RT reading correct values from table | F L3 |
2.2.3 | 1 hour 9 minutes = 69 minutes ✔ C OR Difference = Post trip cost - Upfront cost | 1 C converting to minutes OR 1C time to minutes | F L4 |
Q | Solution | Explanation | T&L |
2.2.4 | To cover cost for idle/wasted time when a vehicle could have been used to assist someone when you cancel the booking. ✔✔O | 2O reasoning (2) | F L4 |
[38] |
QUESTION 3 [39MARKS] | |||
Q | Solution | Explanation | T&L |
3.1.1 | P(Coke & water) = [4/9] ✔A | 1A numerator | P L2 |
3.1.2 | South East OR East of South OR SE. ✔✔A | 2A direction (2 | MP L2 |
3.1.3 (a) | ✔A | 1A for height 1 400 m | MP L4 |
3.1.3 (b) | Lowest point : highest point | 2RT correct values | MP L2 |
3.1.4 | To take struggling runners out of the race because they are not coping. ✔✔O | 2O understanding/reason (2) | MP L4 |
Q | Solution | Explanation | T&L |
3.1.5 | The average speed required to beat the cut-off 2: Increased speed for full marathon = (3,3 + 2,7) km/h = 6km/h ✔MA ✔M ✔CA | 1RT correct values (dist. & time) OR 1M calculating speed / change the subject OR 1M calculating speed / change the subject (6) | MP L4 |
3.2.1 | 20 ℓ = 20 × 1 000 cm3 ✔ C | 1C conversion | M L3 |
Q | Solution | Explanation | T&L |
3.2.2 (a) | Area of base of 1 bucket = 3,142 × (15,6 cm)2 | 1A radius | M L3 |
3.2.2 (b) | ✔A | 1A 120 cm | M L4 |
3.2.3 | Length occupied by 4 buckets OR Length occupied by 4 buckets | 1MA multiplying OR 1MA multiplying | MP L3 |
[39] |
QUESTION 4 [35 MARKS] | |||
Q | Solution | Explanation | T&L |
4.1.1 | Total for these capsules OR Without discount for 5 OR Cost of Capsule 24 + Cost of Capsule 30 - Discount for 5 Adults | 3MA multiply tickets by price OR 3MA multiply tickets by price OR 2MA multiply tickets by price | F L4 |
Q/V | Solution/Oplossing | Explanation/Verduideliking | T&L |
OR | OR 1C conversion | ||
4.1.2 (a) | Circumference of the wheel | 1SF correct values | M L2 |
4.1.2 (b) | Distance = 1237,948 feet ✔ MA OR Circumference in metre | CA from 4.1.2(a) OR 1C conversion | M L2 |
4.2.1 | ✔ M ✔ RT | 1RT correct values | D L2 |
Q | Solution | Explanation | T&L |
4.2.2 | ✔RT | 1RT numerator & denominator | P L3 |
4.2.3 | Ratio =1 157,0 ✔RT OR Number of business visitors = 378,3 thousand OR | 1RT values OR 1RT values OR 1RT values | D L4 |
4.2.4 | 175,1 324,8 405,7 480,5 562,7 600,8 ✔MA | 1MA order, ascending or descending | D L3 |
Q | Solution | Explanation | T&L |
4.2.5 | Tourism boosts the economy (selling and buying) of the country. ✔✔O | 2O reason financial | D L4 |
4.2.6 | ✔M OR | 1M multiplying with 11 1R rounding 1A known total 1MA two unknowns 1CA simplification OR/OF 1M concept of mean 1MA two unknowns 1S simplification 1M dividing by 2 1R rounding (5) | D L4 |
[35] | |||
TOTAL:150 |
Notes to the Marking Guideline Mathematical Literacy P2 November 2018
Note: In any verification/opinion question, some form of calculation must be shown in order to give a mark for conclusion.
1.1.1 | If the values are swopped, give only 1 mark |
1.1.2 | If the candidate starts with R153 947,72 and not show how it was calculated, Max 2 marks |
1.1.5 | Only calculation done and no explanation, Max 3 marks |
1.2.1 (a) | Early rounding leading to a surface area of 6 and the litres required 24, Max 6 marks |
1.2.1 (a) | Changing the formula by replacing a + with a ×, max 6 |
1.3 | 14:35 is worth 3 marks showing calculations; 18:55 is worth 3 marks with calculations. No calculations shown for these answers, 0 marks. |
2.1.1 (b) | Omitting the value of A, max 2 marks provided it is arranged. |
2.1.2 | "constantly increasing" is worth 1 mark. |
2.1.3 | "Both Pf and Fr fluctuate", max 3 marks. |
2.1.5 | One or two points plotted wrong, max 5 marks. Three or four plotted wrong, max 4 marks etc. |
2.2.1 | Adding the costs on the table is a break-down,0 marks. |
2.2.2 | Wrong formula,0 marks. Two wrong values,0 marks. |
2.2.3 | Converting mark must be given if it is substituted without showing the time conversion. |
2.2.3 | After calculating both Post and Upfront costs the difference need not be shown, then the conclusion carries 2 marks. |
3.1.1 | Written as 4:9 or 4 out of 9, give 2 marks, |
3.1.3 (b) | If ratio values are swopped, max 2 marks. |
3.1.5 | If they use 42km and 7 hours or 25,5 km and 4h15min, max 4 marks. |
3.2.1 | If both thicknesses not subtracted, H = 26,156 cm, max 6 marks |
3.2.2(a) | Max of 4 marks if only one bucket's area is subtracted from pallet's area. |
3.2.2(b) | No unit was specified, answer can be in mm or cm, thus 264mm is accepted. |
4.1.1 | Calculating discount on senior citizen, max 7 marks.
|
4.2.1 | If the values are swopped and the answer is negative, max 2 marks |
4.2.2 | With only 1 value in the numerator, max 2 marks. |
4.2.4 |
|
The following tolerance range was agreed upon during marking guideline discussions: Questions 1.1.4 , 1.2.1 , 3.2.1 , 4.1.1 (1 mark each)