2. Accept Any Alternative Correct Solution That Is Not Included in the Memorandum

Mathematics
MEMORANDUM / Grade 7
Term 3
Test

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.

Apply CA where applicable

TOTAL: 50 marks

QUESTION / EXPECTED ANSWER / CLARIFICATION / Mark / Total
1 / 1.1 / A √ / One mark for correct answer / 1
1.2 / C √ / One mark for correct answer / 1
1.3 / B √ / One mark for correct answer / 1
1.4 / E √ / One mark for correct answer / 1
1.5 / D √ / One mark for correct answer / 1 / 5
2 / 2.1.1 / 64 √ / One mark for correct answer / 1
2.1.2 / 16 √ / One mark for correct answer / 1
2.2.1 / 64 cubes √ / One mark for correct drawing / 1
2.2.2 / 343 cubes √ / One mark for correct answer / 2
2.3.1 / 21√ / One mark for the correct answer / 1
2.3.2 / Pattern number multiplied by two add 1
Example. (10 x 2 ) + 1 = 21 / One mark for explanation and one mark for example / name of pattern / 2
QUESTION / EXPECTED ANSWER / CLARIFICATION / Mark / Total
2.4 /
/ One mark for each correct answer
One mark: 17
One mark: -1
One mark: ¾ / 3 / 12
3 / 3.1.1 / 17 - 9 = m √ / One mark for correct answer / 1
3.1.2 / (x+ y) - 24 = d √ / One mark for correct answer / 1
3.2.1 / 3x – 15 = 60 Or 3x – 15 = 60
(3 x 25) – 15 = 60 √ 3x = 60 + 15 √
x = 25 √ x = 75 ÷ 3 Type equation here.
x = 25 √ / One mark for working out
One mark for answer / 2
3.2.2 / a³ = 27
3x3x3 = 27
x = 3 √ / One mark for each correct answer / 2
3.2.3 / 5 + u = 105
u = 105 – 5 √
u = 100 √ / One mark for working out
One mark for answer / 2 / 8
4 / 4.1.1 / Reduced √
Factor 2 √ / One mark for each correct answer / 2
4.1.2 / Enlarged √
Factor 3 √ / One mark for working out
One mark for answer / 2
4.2.1 / Translation √ / One mark for correct answer / 1
4.2.2 / reflection √ / One mark for correct answer / 1
4.2.3 / Rotation √ / One mark for correct answer / 1
4.3 / Similar √
Sides and angles are not equal in length or
Shapes are not equal in size √ / One mark for correct answer and one mark for explanation / 2 / 9
5 / 5.1 / Number of faces / Number of Edges / Number of vertices / Name of object
5 / 8 √ / 5 √ / Square pyramid √
Vierkantige piramide
/ One mark for each correct answer / 3 / 3
QUESTION / EXPECTED ANSWER / CLARIFICATION / Mark / Total
6 / 6.1 / Cü / One mark for correct answer / 1
6.2 / Cü / One mark for correct answer / 2
6.3 / Runner A = 10 mü
4 sü
= 2,5 m/sü / One mark for correct answer / 3
6.4 / A / One mark for correct answer / 1
6.5 / C is overtaking A OR C and A have both travelled the same distance (60 m) / One mark for correct answer / 1
7 / A / 3 / 1
B / 4 / 1
C / 1 / 1
D / 5 / 1 / 6
E / 6 / 1
F / 2 / 1

Total: 50 marks