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NATIONAL SENIOR CERTIFICATE
GRADE 12
SEPTEMBER 2022
MATHEMATICAL LITERACY P2 MARKING GUIDELINE
MARKS: 150
Symbol M MA CA RCA A C S SF J O RT/RG/RM P
R
NPR
AO
Explanation Method Method with accuracy Consistent accuracy Rounding consistent accuracy Accuracy Conversion Simplification Correct substitution in a formula Justification Opinion/Example/Definition/Explanation/Justification/Verification Reading from a table/graph/map Penalty, e.g. for no units, incorrect rounding off etc.
Rounding off
No penalty rounding or omitting units
Answer only, full marks
This marking guideline consists of 12 pages.
2
MATHEMATICAL LITERACY P2
(EC/SEPTEMBER 2022)
MARKING GUIDELINES
NOTE:
? If a candidate answers a question TWICE, only mark the FIRST attempt.
? If a candidate has crossed out (cancelled) an attempt to a question and NOT redone the solution, mark the crossed out (cancelled version).
? Consistent Accuracy (CA) applies in ALL aspects of the marking guidelines; however, it stops at the second calculation error.
? If the candidate presents any extra solution when reading from a graph, table, layout plan and map, then penalise for every extra incorrect item presented.
LET WEL:
? As kandidaat vraag TWEE keer beantwoord, merk slegs die EERSTE poging.
? As kandidaat antwoord van vraag doodtrek (kanselleer) en nie oordoen nie, merk die doodgetrekte (gekanselleerde) poging.
? Volgehoue akkuraatheid (CA) word in ALLE aspekte van die nasienriglyn toegepas, maar dit hou by die tweede berekeningsfout op.
? Wanneer kandidaat aflees van grafiek, tabel, uitlegplan en kaart en ekstra antwoorde gee, penaliseer vir elke ekstra item.
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(EC/SEPTEMBER 2022)
MATHEMATICAL LITERACY P2
3
KEY TO TOPIC SYMBOL: F = Finance; M = Measurement; MP = Maps, plans and other representations; P= Probability
QUESTION 1 [30 MARKS]
Quest 1.1.1
Solution
1,56 kg to g 1,56 ? 1 000 M = 1 560 g A
1.1.2
125 g : 625 g MA 1:5
Explanation 1M multiply by 1 000 1A correct answer
1M divide by 125 1MA answer
Level M L1
(2) M L1
1.1.3 1.1.4
Convert 8 kg to g 8 ? 1 000 = 8 000 g C
= 6,25 cups: 5 000 g
No. of cups = 8 000 ? 6,25 M
5 000
50 000 =
5 000
= 10 MA Mass of raisins = 450 g ? 125 g MA
5 000 g
1C convert 8 kg to g
(2) M L1
1M using ratio format
1MA correct answer (3)
2MA 450 multiply correct M
value and divide by 5 000
L1
1.2.1 1.2.2
= 11,25 g A
1A answer
(3)
Diameter is a line through the centre of the circle 2A correct explanation
M
that touches the circumference of the circle at
L1
two points. A
(Accept any relevant explanation.)
(2)
Difference = 8,04 ? 0,9025 RT MA
1RT correct values
M
= 7,1375 ? 100 C = 713,75 mm2 A
1MA subtract correct values L1 1C convert to mm
1A correct answer
OR
2C convert cm to mm
0,9025 ? 100 = 90,25 mm2 C 8,04 ? 100 = 804 mm2 C
1M subtract correct values
Difference = 804 ? 90,25 M = 713,75 mm2 A
1A correct answer (4)
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4
MATHEMATICAL LITERACY P2
1.2.3
% = 0,9025
8,04
? 100 M
= 11,225 % A
1.2.4 Mass in kg = 28,25 ? 1 000 MA = 0,02825 kg A
1.2.5 Radius = 32 ? 2 MA = 16 mm A
1.2.6 Weight = 15 ? 28,25 MA = 423,75 g A
1.2.7 Time: 11:15 + 4:50 = 15: 65 M C A
= 16h05 minutes
1.3.1 Dimensions on drawing are portrayed smaller than in real life. A OR Dimensions on drawing are portrayed bigger in real life. A
1.3.2 Perimeter = sum of all sides Length C = 8,9 m ? (2,7 + 1,70 +1) = 8,9 m ? 5,4 m M = 3,5 m A
(EC/SEPTEMBER 2022)
1M multiply by 100
M
L1
1A correct percentage
NPR (2)
1MA dividing by 1 000
M
1A answer
L1
(2)
1MA dividing by 2
M
1A correct radius
L1
(2)
1MA multiplying by 15
M
L1
1A mass in g
(2)
1M adding time
M
L1
1C convert minutes to hrs
1A correct time 2A correct explanation
(3) MP L1
(2)
M L1
1M add sides and subtract 1A correct answer
(2) [31]
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