Maths Lit Practice exam memorandum November Paper 1 Gr11 1

Study & Master Support Pack 2 | Grade 11 CAPS Mathematical Literacy Exemplar examination memorandum: November (Paper 1) This revision pack for Mathematical Literacy Grade 11 provides support for learners revising the most important concepts and principles covered in the CAPS curriculum, by providing exam practice. This revision pack includes a memorandum of the sample November examination (Paper 1). You have permission to print or photocopy this document, and to distribute it electronically via email or WhatsApp. For more information on our Study & Master CAPS-approved textbooks and valuable resource material, visit www.cambridge.org Brighter Thinking | Better Learning

Grade 11 NOVEMBER EXAMINATION Time: 2,5 hours Paper 1 MEMORANDUM Marks: 100 Question 1 ii) (and 2b) Income and expenses 30 000 1. a) 1 GWh = 1 billion watt hours ✓(1) 29 000 b) 1 GWh = 1 million kilowatt hours ✓(1) 28 000 27 000 e 2. a) 12 000 GWh ✓(1) 26 000 Inc om b) 60 000 GWh ✓(1) 25 000 24 000 23 000 3. a) 22 380 + 8 260 + 4 730 + 9 140 + 43 170 + 24 420 22 000 + 59 730 + 31 390 + 11 520 ✓ 21 000 = 214 740 GWh ✓(2) 20 000 st 19 000 Co b) 850 × 0,4634 = R393,89 ✓✓ 18 000 Monthly electricity cost = R394 ✓(3) 17 000 Amount (R) 16 000 4. a) Northern Cape ✓(1) 15 000 b) Gauteng ✓(1) 14 000 13 000 c) 43 170 – 31 390 = 11 780 GWh ✓✓(2) 12 000 d) 9 140 + 8 260 + 11 520 + 4 730 = 33 650 GWh, 11 000 which is less than 43 170 GWh ✓ 10 000 9 000 The statement is true. ✓(2) 8 000 7 000 5. a) 10,4% ✓(1) 6 000 b) Eastern Cape ✓(1) 5 000 c) A: North West = ______ 24 420 4 000 ​​ 214 740 ​​× 100 = 11,4% ✓ 3 000 B: Mpumalanga = ______ 31 390 2 000 ​​ 214 740 ​​× 100 = 14,6% ✓(2) 1 000 d) C(2) 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 12,6 6. a) ​​ ___ 100 ​​× 55,7 = 7, 01… ✓ = 7 million people ✓(2) Number of tickets sold b) 24,1% ✓✓(2) Three marks for points correctly plotted. ✓✓✓ c) Northern Cape ✓(1) One mark for correct shape of graph. ✓(4) d) Gauteng ✓(1) c) 100 tickets ✓(1) e) Any three: Western Cape, Northern Cape, Free State, d) 24 000 ✓ : 21 000 ✓ or 8 : 7 (2) Eastern Cape, Limpopo, North West or 2. a) C = R150 × 150 ✓ or ​​ ____ ___ C 150 7 500 ​​ = ​​  50 ​​ ✓ KwaZulu-Natal ✓✓✓(3) = R22 500 ✓ C = 3 × 7 500 [30] = R22 500 ✓(2) b) See graph above for 1bi. Three marks for points correctly plotted. ✓✓✓ Question 2 One mark for correct shape of graph. ✓(4) _____ ___ 160 1. a) A = 160 × R120 ✓ or ​​  12A 000 ​​ = ​​  100 ​​ ✓ = R19 200 ✓ 3. a) 50 tickets ✓(1) A = ___ 160 ​​ 100 ​​× 12 000 b) Profit = income – cost = R19 200 ✓(2) = R30 000 – R21 000 ✓ b) i) C = R90 × n + R3 000 = R9 000 ✓(2) 15 600 = 90B + R3 000 4. a) P(violin) = ​​ __ 3 90B = 15 600 – 3 000 ✓ 13 ​​ ✓✓ or 0,2308 or 23,08% (2) = 12 600 ✓ P(keyboard) = __ 0 b) ​​  13 ​​ ✓ = 0 ✓ or 0% (2) B = _____ 12 600 ​​  90 ​​ P(female) = ​​ __ 13 c) (1) 13 ​​ = 1 ✓ or 100% = 140 ✓(3) [26] Question 3 1. Median wage = _________ R475 + R485 ​​  2 ​​ ✓ = R480 ✓(2) 2. Range = R925 – R296 ✓ = R629 ✓(2) 1

3. Mean _________________________________________________ 296 + 325 + 414 + 424 + 425 + 425 + 435 + 475 + 485 + 490 + 535 + 550 + 565 + 578 + 631 + 925 Question 5 = ​​          ​​ 1. A2 ✓(1) 16 = ____ 7 978 2. Devenish Street ✓(1) ​​  16 ​​ ✓✓ = R498,63 ✓(3) 3. Thabo Mbeki Street ✓ Grobler Street ✓ 4. a) R345 ✓(1) Burger Street ✓ b) 2 ✓(1) Plein Street ✓(2) 5. Wages earned in December and January 11 4. Walk one block along Hospital Street to Burger Street and 10 five blocks south, passing Van Boeschoten Street, Rissik 9 8 ✓ Street, Devenish Street, Jorissen Street and Grobler Street. 7 Walk to the entrance. ✓✓ Amount (R) 6 Any feasible route that leads to the destination 5 is acceptable. (2) 4 ✓ 3 5. 90 mm = 90 × 22 500 mm ✓ 2 = 2 025 000 mm ✓ ✓ ✓ ✓ ✓ 1 = 2,025 km  (2) 0 200–299 300–399 400–499 500–599 600–699 700–799 800–899 900–999 1 000–1 099 6. 200 000 = 200 × 0,002 590 72 ✓ = R518,14 ✓(2) (3) Salary intervals [10] R2 922,83 6. a) ​​ _______4 ​​ = R730,71 ✓(1) 2 922,83 _____________ – 1 380,00 b) ​​   1 380,00 ​​ ✓ 1 542,83 ______ = ​​  1 380,00 ​​ = 1,1179… × 100 = 111.80% ✓(2) 7. a) C = πd = 3,14 × 150 cm ✓ = 471 cm ✓(2) [17] Question 4 1. a) Afternoon (15:33:42) ✓(1) b) Three ✓(1) c) 15% ✓(1) d) Eight items ✓(1) e) R4,80 ✓(1) f) 24 : 2 ✓ = 12 : 1 ✓(2) R26,99 g) 1 ℓ ice cream = ​​ _____ 2 ​​ = R13,50 ✓(1) h) V=l×b×h h = ___ V 2 000 = 25 × 10 × h ✓ or ​​  l × b ​​ ✓ h = ____ h = ​​ _____ 2 000 2 000 ​​  250 ​​ ✓ 25 × 10 ​​ ✓ = 8 cm ✓ = 8 cm ✓(3) 2. a) 60 inches = 60 × 0,0254 m ✓ = 1,524 m ✓(2) b) 56 kg = _____ 56 ​​  0,4536 ​​ pounds ✓ = 123,46 pounds ✓(2) c) BMI = _____ 56 ​​  (1,65)2 ​​ ✓ = 20,6 ✓(2) [17] 2