GRADE 12 MATHEMATICS LITERACY
PAPER 1
NSC PAST PAPERS AND MEMOS
FEBRUARY/MARCH 2017
Symbol | Explanation |
M | Method |
M/A | Method with accuracy |
CA | Consistent accuracy |
A | Accuracy |
C | Conversion |
S | Simplification |
RT/RG/RD | Reading from table/graph/diagram |
SF | Correct substitution in formula |
O | Opinion/Example |
P | Penalty, e.g. for no units, incorrect rounding off, etc. |
R | Rounding off |
AO | Answer only full marks |
NPR | No penalty for rounding |
QUESTION 1 [35 marks] | |||
Ques | Solution | Explanation | Topic/L |
1.1.1 | ✔✔A | 2A Definition (2) | F |
1.1.2 | ✔✔O | 2O Interpretation (2) | F L1 |
1.1.3 | ✔A ✔M | 1M adding | F L2 |
1.1.4 | Total salary deposits | 1MA adding all the amounts (1 value omitted/added max 1) (2) | F L1 |
1.1.5 | 11 February was a Thursday ✔M | 1M identifying day of week | M L1 |
1.1.6 | Cash withdrawal fee ✔MA = R6,70 + R4,00 + 1,20% × R5 490,00 = R6,70 + R4,00 + R65,88 ✔S = R76, 58 ✔CA | 1MA adding/multiplication 1S simplification 1CA amount AO (Max 2 marks if R6,70 is omitted) (Max 1 mark if both R6,70 and R4,00 omitted) (3) | F L2 |
1.1.7 | External ✔✔A | 2A correct statement (2) | F L1 |
1.2.1 | Final amount of money in the account after a year OR Amount of interest earned after a year | 1RT reading from table OR 1RT reading from table | F L2 |
1.2.2 | Interest for six months OR Interest for six months | 1RT reading correct value (7,4%)from table OR 1RT reading correct value(7,4%) from table | F L2 |
1.3.1 | ✔O ✔O OR ✔O ✔O | 1O increase 1O price of goods or services (2) | F L1 |
1.3.2 | ✔ A ✔ A OR ✔ A ✔ A | 1A numerator 1A denominator 1A hours 1A rate (2) | F L1 |
1.3.3 | Minimum monthly rate (B) = r × w OR ✔MA ✔MA | 1SF substitution correct value OR 1MA divide by 10,59 | F L2 |
1.3.4 (a) | ✔ MA Total minimum wage = 40 hours × R11,44 per hour = R457,60 ✔ CA | 1MA multiplying 1CA simplification AO (2) | F L1 |
1.3.4 (b) | Actual hourly rate for one domestic worker = R550,90 ✔ M 40 hour = R13,7725 per hour ✔ CA = R13,77 per hour ✔ CA | 1M dividing by weekly hours 1CA hourly rate AO NPR (2) | F L2 |
[35] | |||
QUESTION 2 [28 marks] | |||
2.1.1 | End time = 18:15 + 25 min OR Time set aside for start of last items | 1MA calculating end time 1A using time on table 1M subtracting 1CA total time 1A using time on table 1MA calculating time 1M adding 1CA total time AO (4) [omitting time (25 min) max 3 marks] | M L2 |
2.1.2 | ✔ MA Difference in mass = 800 g – 600 g = 200 g✔ CA | 1MA subtracting correct mass (reversing values-no penalty) 1CA mass (Identifying correct weights only max 1 mark) AO (2) | M L1 |
2.1.3 | 17 years ✔A 17:05✔✔RT/CA | 1A correct age 2RT /CA reading from table (3) 18 years 16:05 (Max 2 marks for 16:05) | M L2 |
2.2.1 | Obese ✔✔RT | 2RT weight status (2) | M L1 |
2.2.2 | Height in inches = 6 × 12 + 3 = 75 ✔ M BMI = 200 ✔ SF × 703 ✔ C 75 × 75 = 24,99556 ✔ CA = 25✔ R | 1M multiplying/adding 1C conversion 1SF substitution 1CA simplification 1R rounding AO (5) | M L2 |
2.3.1 | Total length of podium = 50 cm + 50 cm + 50 cm ✔M = 150 cm ÷ 100 = 1,5 m✔C | 1M adding 1C converting to m AO (2) | M L2 |
2.3.2 | ✔A OR ✔A OR Number of parts = 5 + 4 + 3 = 12 | 1A correct values OR 1A correct values | M L2 |
2.3.3 | Volume = length × breadth × height = 50 cm × 50 cm × 37,5 cm ✔ SF ✔ CA = 93 750 cm3 ✔ A | 1SF substitution 1CA volume 1A unit AO (3) | M L2 |
2.3.4 | 500 ml = 500 cm3 ✔C Height = 500cm3 3,142 × (3,77)2cm2 ✔SF = 11,196… cm ✔CA ≈ 11 cm ✔R | 1C conversion 1SF substitution (accept 500 ml) 1CA simplification 1R rounding (Incorrect conversion max 3 marks) AO (4) | M L2 |
[28] | |||
QUESTION 3 [ 23 marks] | |||
3.1.1 | Bethulie ✔✔A | 2A correct town (2) | MP L1 |
3.1.2 | (a) left/east ✔ A (b) Douglas ✔ A (c) right hand side ✔ A | 1A correct direction 1A correct street 1A correct side (3) | MP L1 |
3.1.3 | N1 ✔✔A | 2A National road (2) | MP L1 |
3.1.4 | ✔ A ✔ A ✔ A OR only R58 ✔✔ ✔A | 3A provincial roads (3) | MP L1 |
3.1.5 | ✔ A ✔ A and ✔ A for Smithfield, Bethulie and Venterstad | 1A first town 1A second town 1A last three towns (3) | MP L2 |
3.1.6 | Map : Actual ✔ A ✔M 42 mm : 72,9 km 42 mm : 72 900 000 ✔C 10 : 17 357 142,86 ✔C A | 1A measurement [accept 40 to 43 mm] 1M scale concept 1C conversion 1CA simplified scale [Accept 18 225 000 to 16 953 488,37] NPR (Ratio reversed max 3 marks) (4) | MP L3 |
3.2.1 | 11 ✔✔RT | 2RT reading from diagram (15 one mark) (2) | MP L1 |
3.2.2 | Clockwise ✔✔A | 2A direction (2) | MP L1 |
3.2.3 | Voting booths ✔✔A | 2A correct point (2) | M L1 |
[23] | |||
QUESTION 4 [39 marks] | |||
4.1.1 | E ✔✔A | 2A correct description (2) | D L1 |
4.1.2 | B ✔✔A | 2A correct description (2) | D L1 |
4.2.1 | ✔A 3 × 100% 10 ✔A = 30% ✔CA | 1A numerator 1A denominator 1CA percentage AO (3) | P L2 |
4.2.2 | ✔MA 72; 109; 118; 137; 137; 144; 144; 146;162; 168 Median = 137 +144 ✔M 2 = 140,5✔CA | 1MA arranging (ascending or descending) 1M median concept 1CA median AO (Wrong column used Max 2 marks) (3) | L2 D |
4.2.3 | ✔A 39 % and 41%✔A | 1A mode 1 1A mode 2 (Wrong column used Max 1 mark for both modes) (2) | L1 D |
4.2.4 | G ✔✔RT | 2RT correct learner (Accept 7th learner) (2) | D L1 |
4.2.5 | ✔MA OR ✔MA | 1M mean concept OR 1M mean concept | D L2 |
4.2.6 | ✔A OR 137 = 23 = 23 × 100 | 1A numerator OR 1A numerator | D L2 |
4.3.1 | B ✔✔A | 2A correct statement (2) | D L1 |
4.3.2 | ✔RT Indian/Asian 15 – 19 ✔RT | 1RT race group 1RT age group (2) | D L1 |
4.3.3 | ✔MA OR Y = 426 156 + 430 667 + 431 779 + 437 412 + 1 558 886 + 1 150 775 + 365 544 + 31 698 ✔MA | 1MA adding OR 1MA adding | P L1 |
4.3.4 | ✔RT = 4,25% ✔CA | 1RT correct values 1M Probability as a % 1CA percentage AO NPR (3) | D L2 |
4.3.5 | ✔RT 674 730 : 688 118 ✔A = 337 365 : 344 059✔CA | 1RT correct values 1A ratio concept 1CA simplified ratio in correct order (Correct unit ratio max 2) (3) | D L1 |
4.3.6 | ✔RT = 4,545486967..% ✔CA | 1RT correct values 1M multiply by 100% 1CA Percentage AO NPR (3) | D L2 |
4.3.7 | 20–39 ✔✔RT | 2RT correct age group (2) | D L1 |
4.3.8 | Bar graph OR B ✔✔RT | 2RT correct graph type (2) | D L1 |
[39] | |||
QUESTION 5 [25 marks] | |||
5.1.1 | Checkers ✔✔A | 2A correct supermarket (2) | F L1 |
5.1.2 | ✔MA X = R440,85 – R(19,99 + 7,99 + 14,99 + 89,99 + 46,99 + 15,99 + 9,99 + 31,99 + 19,99 + 25,99 + 76,99 + 19,99 + 23,99 + 17,99) X = R440,85 – R422,86 = R17,99 ✔CA | 1MA adding/subtracting 1CA simplification AO (2) | F L1 |
5.1.3 | Difference = R15,99 – R13,50 ✔MA = R2,49 ✔CA | 1MA subtracting correct values 1CA simplification (accept –R2,49) AO (2) | F L1 |
5.1.4 | 9✔✔A | [CA from Q 5.1.2] 2A correct number (2) | F L1 |
5.1.5 | Cabbage ✔✔A Milk ✔A | 2A first product 1A second product (3) | F L1 |
5.1.6 | Eggs ✔✔A | 2A product (2) | F L1 |
5.1.7 | Difference in cost OR Woolworths = R49,99 × 2,5 ✔M | 2A correct prices OR 1M multiplying with correct price | F L2 |
5.2.1 | Checkers ✔✔A | 2A correct supermarket (2) | F L1 |
5.2.2 | Woolworths OR PnP ✔✔A✔✔A | 2A correct supermarket (2) | F |
5.2.3 | ✔A OR ✔A | 1A correct values 1M subtraction 1CA simplification 1A correct values 1M subtraction 1CA simplification AO (3) | F |
[25] | |||
TOTAL | 150 |