GRADE 12 MATHEMATICAL LITERACY
PAPER 1
NSC PAST PAPERS AND MEMOS
SEPTEMBER 2017
MARKS: 150
Symbol | Explanation |
M | Method |
A | Accuracy |
CA | Consistent accuracy |
RT/RG/RM | Reading from a table/Reading from a graph/Read from map |
SF | Substitution in a formula |
P | Penalty, e.g. for no units, incorrect rounding off etc. |
S | Simplification |
R | Rounding/Reason |
NPR | No penalty for rounding |
QUESTION 1 [30 MARKS] | |||
QUES | Solution | Explanation/m | T/L |
1.1.1 | 750 × 100% ✔ | 1M Multiply by 100 | F LI |
1.1.2 | Balance = 3 200 – 750 ✔ | 1M subtraction | F L1 |
1.1.3 | Total amount paid = 750 + 5 × 300 ✔ | 1M Adding and Multiplying | F L1 |
1.2.1 | Rate in cents = 0,8865 × 100 ✔ | 1M Multiplying | F L1 |
1.2.2 | Amount charged = 50 × 88,65 ✔ | 1M Multiplying | F L1 |
1.2.3 | Value Added Tax ✔✔ | 2 R (2) | F L1 |
1.3.1 | Time to clock off = 7:30 + 7 hr. = 14: 30 ✔ | 1M adding 7hr | M L1 |
1.3.2 | Income = 26 × 7 × 20 ✔ =R3 640 ✔ | 1M multiplication | F L1 |
1.4.1 | Distance = 1 141 km ✔✔ | 2RT (2) | M L1 |
1.4.2 | East London ✔ and Polokwane ✔ | 2RT (2) | M L1 |
1.4.3 | Durban ✔and Cape Town ✔ | 2RT (2) | M L1 |
1.5.1 | Parents in the survey = 24 + 32 + 16 + 13 + 5 ✔ = 90 ✔ | 1M Adding | D L1 |
1.5.2 | Less than 20% = 24 + 32 ✔ | 1M Adding | D L1 |
1.5.3 | Modal range = 10–19 ✔✔ | 2RG (2) | D L1 |
1.5.4 | Bar graph ✔✔ | 2RG (2) | D L1 |
[30] | |||
QUESTION 2 [42 MARKS] | |||
QUES. | Solution | Explanation/m | T/L |
2.1.1 | Child support ✔✔ | 2RT (2) | L1 |
2.1.2 | R1 525 + 2 x R350 ✔= R1 525 + R700 ✔ = R2 225 ✔ | 1MA amount | L1 |
2.1.3 | R1 435 x 6,27% = 89,97 ✔ OR 1435 x 1,0627 ✔= R1 524,97 ✔ | 1MA multiply by 6,27% | L1 |
2.2.1 | 4 x R1 155,26 ✔ OR R5 620 – (115,80 + 192,98 + 690,18) OR R4 929,82 – R115,80 – R192,98 | 1M | L1 |
2.2.2 | R0,00 ✔✔ | 2RT (2) |
2.2.3 | R4 621,04 x 5,6% OR 100% – 5,6% | 1MA Value of 5,6% | L3 |
2.3.1 | R8,3 billion ✔✔ OR 8 300 000 000 ✔✔ | 2RT | L1 |
2.3.2 | R19,84 + R2,71 + R0,45 + R1,8 + R2,71 + R17,59 ✔ OR R45 100 000 000 ✔✔ | 1M addition | L1 |
2.3.3 | 1 Euro = R15,3728 | 1M division | L2 |
2.3.4 | 96,0 – 36,8 ✔✔ | 1M correct values | L1 |
2.3.5 | 17,59 x 100% ✔ | 1M Division | L2 |
2.3.6 | 1,8 : 36,8 ✔✔ | 1 Ratio | L2 |
2.4.1 | R10,00 x 25 ✔ | 1M identifying R10 | L1 |
2.4.2 | 260 x R1,50 ✔ | 1M | L1 |
2.4.3 | R11,00 ✔✔ | 2RT (2) | L1 |
2.5.1 | Inflation is the increase in prices of goods and services over time. ✔✔ | 2R (2) | F L1 |
2.5.2 | Inflation rate = new prices - old prices × 100% | 1M Substitution | F L2 |
[42] |
QUESTION 3 [23 MARKS] | |||
QUES. | Solution | Explanation/m | T/L |
3.1.1 | 28 + 2 × 10,6 + 41,2 + 28 ✔✔ | 1M Addition | L2 |
3.1.2 | Number of spoons = 2 7 , 5 ✔ | 1M Division | L1 |
3.1.3 | 50 × 500 = 25 000 | 1M | L1 |
3.2.1 | Volume = length x width x height | 1SF | L2 |
3.2.2 | Volume of chocolate =3 360 | CA from 3.2.1 | L3 |
3.3.1 | Diameter | 1M x 2 and addition | L2 |
3.3.2 | Area = 2,3 m x 2,3 m ✔ | 1SF | L2 |
3.3.3 | Area = 3,142 x (0,918 m)2 ✔✔ | 1M SF | L2 |
3.3.4 | Wasted material = Area of material – Area of tablecloth to cut | CA from 3.3.2 and 3.3.3 | L2 |
[23] |
QUESTION 4 [20 MARKS] | ||||
QUES | Solution | Explanation/m | T/L | |
4.1.1 | Two ✔✔ | 2RM (2) | L1 | |
4.1.2 | Sample point E ✔✔ | 2 RM (2) | L1 | |
4.1.3 | Taaibuschspruit ✔ | 1RM 1st side stream 1RM 2nd side stream (2) | L1 | |
4.1.4 | Scaled length = 3 x 100 000 | 1M x 100 000 | L2 | |
4.2.1 | (a) | 16 ✔✔ | 2RD (2) | L2 |
(b) | Fixed side ✔ and Drop side ✔ | 1RD 1ste wood part | L2 | |
(c ) | B ✔✔ | 2RD (2) | L2 | |
4.2.2 | 16 ✔✔ | 2RM (2) | L1 | |
4.2.3 | 4 ✔ | 1M value of numerator | L2 | |
[20] |
QUESTION 5 [35 MARKS] | |||
QUES. | Solution | Explanation/m | T/L |
5.1.1 | Northern Cape ✔ | 2RT (2) | L1 |
5.1.2 | A =11 705 + 5 105+4 568+10 070 + 13 022 + 5 091 + 1 963 + 3 543+3 589 ✔ | 1A adding | L1 |
5.1.3 | 613; 1 404; 2 122; 2 149; 2 290; 2 600; 2625; 3 492; 4 765 ✔✔ | 2M Ascending order (2) | L1 |
5.1.4 | 2 290 ✔✔ | 2CA from 5.1.3 (2) | L2 |
5.1.5 | 2 625 – 1 404 ✔✔ | 1M correct values | L1 |
5.1.6 | 58 656 | CA from 5.1.2 | L2 |
5.1.7 | Limpopo ✔✔ | 2RT (2) | L1 |
5.2. | A – Minimum value ✔ | 1M Minimum | L2 |
5.3.1 | Sample points 2 , 3 and 9 ✔✔ | 1M 1st sample point 1M 2nd and 3rd sample points (2) | L1 |
5.3.2 | Significant risk of gastrointestinal disorders ✔✔ | 2RT (2) | L1 |
5.3.3 | |||
1 Mark per two points correctly plotted (5 x 1) | (6) | ||
5.4.1 | A ---- (H;H) ✔ | 3A 1 mark for each outcome | P L2 |
5.4.2 | P(HH) =14✔✔ | 1M numerator | P L2 |
[35] | |||
TOTAL: | 150 |