Mathematical Literacy Grade 10 P2 2019 Memo (Eng)

Downloaded from hlayiso.com PROVINCIAL ASSESSMENT GRADE 10 MATHEMATICAL LITERACY P2 NOVEMBER 2019 MARKING GUIDELINES MARKS: 75 Codes Explanation M Method MA Method with Accuracy CA Consistent Accuracy A Accuracy C Conversion D Define J Justification/Reason/Explain S Simplification RT Reading from a table OR a graph OR a diagram OR a map OR a plan F Choosing the correct formula SF Substitution in a formula O Opinion P Penalty, e.g. for no units, incorrect rounding off, etc. R Rounding Off AO Answer only NPR No penalty for rounding off OR omitting units These marking guidelines consist of 6 pages. Copyright Reserved Please turn over

Downloaded from hlayiso.com Mathematical Literacy/P2 2 NW/November 2019 NSC– Grade 10 – Marking Guidelines KEY TO TOPIC SYMBOL: F = Finance; M = Measurement; MP = Maps, Plans and other Representations DH = Data Handling; P = Probability QUESTION 1 [12 MARKS] Q Solution Explanation Topic & Level 1.1.1 Purchases for the month  M 2M Adding purchases F = 476,00 + 135,50 + 99,50 + 77,50 + 129,50 + 57,00 1A Total purchases L2 = R975,00 A (3) 1.1.2  1M Divide by 12 F Interest per month = 0,31 M 12 L3 = 0,025833333 A 1A Monthly interest Interest on outstanding amount = 0,025833333× 1215,80 M 1M Multiply by = R31,40816667 1215,80 ≈ R31,41 CA 1CA Interest amount OR 31  1M Multiply by Interest payable = 100 × 1215,80 M 1215,80 376 M 1A Annual interest = 1M Divide by 12 12 M ≈ R31,41 M 1CA Interest amount (4) 1.1.3 327,34  MA 1MA Numerator and F Percentage = 1636,71 × 100% M denominator L2 1M Multiply by 100 = 19,9998778 % 1CA Percentage (3) = 20 % CA 1.2 It cannot be said with certainty, because the days of the P week are not given in the graph.O 2O Opinion (2) L4 Copyright Reserved Please turn over

Downloaded from hlayiso.com Mathematical Literacy/P2 3 NW/November 2019 NSC– Grade 10 – Marking Guidelines QUESTION 2 [23 MARKS] Q Solution Explanation Level 2.1.1 MP 24 1RT Total nr Number of screws =  6 1M divide by nr of chair = 4 A 1A answer (3) L2  RT RT MP 2.1.2 Chair seat and stretcher 1 RT chair seat 2A stretcher (3) L2 AAAA M 2.1.3 1A multiply by 42 Area = 41 × 42 cm   1A answer = 1772 cm2  1A unit L3 (3) 2.2 M (a) 94 + 2 × 1  2D explanation = 96 cm  (b) 42 + 2 × 1 1A multiply by 10 = 44 cm 1A answer (4) L3 Dimension = 96 × 44 = 4224 2.3 The screw got a hole in the back where you fit the 2A explanation M Allen key to fasten or loosen the screw.  (2) L2 2.4.1 Material needed = 6 × 1,1  1A multiply by 1.1m M = 6,6 m  1 A answer (2) L2 2.4.2 1A Multiplication F Cost of material needed = 6,6 × R64,50  1A answer = R450,70 (2) L2 2.4.3 Labour = 6 × R75  1M × R75 F = R450,00 1A answer Total cost = (R450,00) + R425,70  1Madding = R875,70  1A answer (4) L3 Copyright Reserved Please turn over

Downloaded from hlayiso.com Mathematical Literacy/P2 4 NW/November 2019 NSC– Grade 10 – Marking Guidelines QUESTION 3 [23 MARKS] Q Solution Explanation Topic & Level 3.1 Guests to invite = 112 – 2 M  1RD Number of seats MP = 110 guests CA  1M Subtract 2 L3 OR 1CA Number of 13 x 8 = 104 + 6 guests (3) = 110 3.2 For easy movement.  A 2O Reason MP OR L4 Uncomfortable to sit on the short side. A Accept any other logical reason. (2) 3.3 A 1A Pass dance floor MP Walk pass the dance floor, pass the podium and turn 1A Direction L4 left. A  OR Accept any other logical explanation. (2) 3.4 Probability of guest sitting at table with even number P L4 = 1 M 7 1CA Answer to 3 = 0,142857142 decimal places (2) = 0,143  CA Answer must not be greater than 1 3.5 Floor Area of hall = length × width M = 16 m × 12 m SF  1SF Substitution L4 = 192 m2  1CA Floor Area Area of Dance floor = 1 × 192 m2  1M × by 1÷4 4 1CA Area of dance = 48 m2  floor (4) 3.6 Hiring of the venue: CA from 3.1.1 F R6 500,00 1M R6500 L4 Draping and décor: R7 750,00 1M R7750 Cost for DJ = R350 × 7 hours 1CA Cost for DJ = R2 450 CA 1MA 350 × 100 and Catering = (R350 × 100 guests) + (R200 × 12) MA 200 × 13 = R35 000 + R2 400 1CA = R37 400 CA Total cost = R6 500,00 + R7750 + R2450 + R37 400 M 1M Adding all values = R54 100  CA 1CA Total cost Statement invalid  MA 1O Invalid (10) Copyright Reserved Please turn over

Downloaded from hlayiso.com Mathematical Literacy/P2 5 NW/November 2019 NSC– Grade 10 – Marking Guidelines QUESTION 4 [18 MARKS] Q Solution Explanation Level 4.1.1 25; 29; 30; 30; 32; 35; 35; 38; 56; 56; 58; 58; 58; 67; 67; 70; 1A correct central values 74; 76; 84; 85 M 1M dividing 56  58 1CA conclusion Median = M 2 = 57% A L3 (3) 4.1.2 Range = 85% – 25% M 1M subtracting min and = 60% CA max values 1CA solution (2) L2 4.1.3 Mode = 58%  A 2A Correct mode (2) L3 4.2.1 P = 0 RT 1A Read from table Q = 6 RT 2A Read L2 from table (2) 4.2.2 M M 1M writing probability 1M multiplying by 7 × 100 100 P= 1CA answer 20 L2 (3) = 35%CA Copyright Reserved Please turn over

Downloaded from hlayiso.com Mathematical Literacy/P2 6 NW/November 2019 NSC– Grade 10 – Marking Guidelines Q Solution Explanation Level 4.2.3 NUMBER OF LEARNERS PER LEVEL 7 7 6 6  CA 5 5 1CA correct FREQUENCY 4 plotting of 4 A L2 3 23 1CA correct plotting of 12 L3  CA 01 1A correct Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 plotting of 0 L6 LEVEL LEVEL (3) L3 A 4.2.4 Share = 3 of R500 1A using 5 ratio = R300 A 1A simplifying R300 Each learner’s share = 2 1CA answer = R150 A (3) L4 Copyright Reserved Please turn over

Downloaded from hlayiso.com Mathematical Literacy/P2 7 NW/November 2019 NSC– Grade 10 – Marking Guidelines PROVINCIAL ASSESSMENT MATHEMATICAL LITERACY P2 GRADE 10 PAPER 2 QUESTION NO. MEASUREMENT DATA HANDLING PROBABILITY FINANCE MAPS/PLANS LEVEL 2 LEVEL 3 LEVEL 4 1.1.1 3 3 1.1.2 4 4 1.1.3 3 3 1.2.1 2 2 TOTAL 6 4 2 10 0 0 2 2.1.1 3 3 2.1.2 3 3 2.1.3 3 3 2.2 4 4 2.3 2 2 2.4.1 2 2 2.4.2 2 2 2.4.3 4 4 TOTAL 15 8 6 12 5 0 0 3.1 3 3 3.2 2 2 3.3 2 2 3.4 2 2 3.5 4 4 3.6 10 10 TOTAL 9 14 10 4 7 0 2 4.1.1 3 3 4.1.2 2 2 4.1.3 2 2 4.2.1 2 2 4.2.2 3 3 4.2.3 3 3 4.2.4 3 3 TOTAL 10 5 3 26 15 12 18 4 GRAND 31 26 19 26 15 12 18 4 TOTAL TOTAL 75 % 41 35 25 40% 31% 11% 15% 4% FINANCE MEASUREMEN MAPS/PLANS DATA 25% ± PROBABILIT 35% ± 5% T 20% ± 5% 15% ± 5% 5% Y MIN 5% Copyright Reserved Please turn over