ANATest+Grade+6+Mathematics+2013+Memo+Eng

Downloaded from hlayiso.com ANNUAL NATIONAL ASSESSMENTS 2013 GRADE 6 MATHEMATICS MEMORANDUM MARKS: 75 This memorandum consists of 4 pages. General marking note: 1. Give full marks for answers only, unless otherwise stated. 2. Accept any alternative correct solution that is not included in the memorandum. 3. CA refers to consistent accuracy. See clarification at 5.7. QUESTION EXPECTED ANSWER CLARIFICATION MARK TOTAL 1 1.1 B / 29 ✓ 1 1.2 C / 9,11 ✓ 1 1.3 D / 5,6 ✓ 1 1.4 A/6 ✓ 1 1.5 C / 40 ✓ 1 1.6 A / 300 000 ✓ 1 1.7 D / 27 ✓ 1 1.8 B / 325 ✓ 1 1.9 B/ ✓ 1 1.10 B ✓ 1 10 2 342 650 798 ✓ All digits must be correct 1 3 31 ✓ 1 4 40 000 000 ✓ The following answers are also acceptable. 40 M; forty million 4 TM 40 x 1 000 000 1 5 5.1 43 489 All digits must be 345 987 correct. + 307 Answer only, all 389 783 digits correct, full ✓ ✓ marks. 783 ✓ 389 ✓ Apply CA 2 5.2 495 089 All digits must be − 85 847 correct. 409 242 Answer only - all ✓ ✓ digits correct, full marks. 242 ✓ 409 ✓ Apply CA 2

Downloaded from hlayiso.com QUESTION EXPECTED ANSWER CLARIFICATION MARK TOTAL 5.3 3 097 Accept any method × 249 that is 27 873 ✓ mathematically 123 880 ✓ correct. 619 400 ✓ Apply CA. 771 153 ✓ 4 5.4 109 ✓ 36 3 924 − 36 ✓ 324 − 324 ✓ 000 3 5.5 1 3 7 ✓ 4 +3 8 8 4 ✓ 8 4 1 7 ✓✓ or 7 ✓✓ 8 2 1 7 is also 2 acceptable, but no extra mark is awarded for simplifying. 2 5.6 20% of 400 Answer only - all correct, full marks. 20 1 = ✓ × 400 or x 400 ✓ 100 5 Apply CA = 80 ✓ = 80 ✓ 2 5.7 7,83 + 5,39 − 4,86 X 13,57 – 4,86 = 13,22 ✓ − 4,86 = 8,71. = 8,36 0,71 ✓ 8✓ ✓✓ Award two marks for CA. 3 18 6 3 ✓ 1 7 4 ✓ 1 8 Change = R100 – (R65,81 + R18,23) Apply CA. = R100 – R84,04 ✓ = R15,96 ✓ or Change = R100 – R65,81 – R18,23 = R34,19 – R18,23 ✓ 2 Grade 6 English Mathematics Memorandum 2

Downloaded from hlayiso.com QUESTION EXPECTED ANSWER CLARIFICATION MARK TOTAL = R15,96 ✓ 9 614 ✓ 1 10 No ✓ 1 11 Number of busses 12 r 5 ✓ Apply CA. = 785 ÷ 65 ✓ or 65 785 = 12 rem 5 ✓ − 65 135 ✓ − 130 5 Number of busses needed = 13 ✓ 3 12 Decimal Fraction = 0,2 ✓ Percentage = 75% ✓ Common Fraction = ✓ 3 13 0,42 4,24 42,4 ✓ 1 14 31 ✓ 4 x 8 = 32 32 – 1 = 31 1 15 Replace A with 10 ✓ Replace B with  2 ✓ 2 16 14 ✓✓ 1 x 1 square 9 2 x 2 squares 4 3 x 3 squares 1 9 + 4 + 1 = 14 If answer from 9 to 13 give 1 mark. ✓ 2 17 17.1 Obtuse angle ✓ 1 17.2 Right angle ✓ 1 2 18 Stack number 1 2 3 4 6 8 ✓ No. of cans 1 4 9 16 36 ✓ 64 2 19 No of vertices: 4 ✓ No of edges: 12 ✓ No of faces: 4 ✓ 3 20 ✓ 1 Grade 6 English Mathematics Memorandum 3

Downloaded from hlayiso.com QUESTION EXPECTED ANSWER CLARIFICATION MARK TOTAL 21 length = 4 ✓ breadth = 2 ✓ ✓ ✓ or 2 22 22.1 4 hours ✓ 1 22.2 15:00 or 3.00 p.m. ✓ 11 + 4 = 15 Apply CA 1 2 23 23.1 3 000 l ✓ 1 23.2 0,435 ✓ 1 2 24 R18, 95 x 2 = R37, 90 ✓ Apply CA. or R36,95 ÷ 2 = R 18,475 ✓ Thus, 5 kg at R36,95 is a better buy. ✓ 2 25 Difference = 37 °C – 28 °C = 9 ºC ✓ 1 26 Perimeter = 12 x 1,5 + 6 x 1,5 ✓ 3 x 1,5 = 4,5 = 18 + 9 6 x 1,5 = 9 ✓ = 27 ✓ 13,5 x 2 = 27 ✓ Apply CA. 2 27 27.1 Bike riding. ✓ 1 27.2 Difference in time spent = 80 h – 10 h = 70 h ✓ 1 2 28 25 ✓ 1 29 Parallelogram ✓ Answer must be at Hexagon ✓ correct place. 2 30 30.1 32 ✓ 8 x 4 = 32 1 30.2 3 clouds. Any ✓ drawing with 3 clouds. 1 2 TOTAL: 75 Grade 6 English Mathematics Memorandum 4