# Geometry 3 - 2D and 3D Shapes - Pretest - Answers by dandanhuanghuang

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```									                           FAHS – FEILDING HIGH SCHOOL
YEAR 9 GEOMETRY 3
PRETEST – MARKING SCHEDULE

Achievement
Qn                 Evidence                      Code         Sufficiency
Criteria
Identify 2D    1a)   Square                                   9 out of 12
shapes        b)   Rectangle (not oblong)                  for code A1
c)   Trapezium
d)   Parallelogram
e)   Kite (not diamond)
f)   Rhombus (not diamond)
Achieved:
g)   Right-angled triangle
h)   Equilateral triangle
4 of Code A
i)   Isosceles triangle
j)   Scalene triangle or obtuse triangle
Including 1 of
k)   Hexagon
each of Codes
l)   Pentagon
A1, A2 and A3
For 1g-1j students must state the
type of triangle to gain credit.

2a)   Circle                                   4 out of 5
b)   Circumference                           for code A1
c)   Diameter
d)   Centre

Describe      3     The sides are the same length            Both Q3
properties of                                                 and Q4 for
2D shapes      4     The sides are parallel                   code A2
Merit:
5     Two perpendicular lines. Must            Both Q5
Achieved
either be approximately                 and Q6 for
perpendicular and marked                 code A2
AND
correctly with a right-angle sign, or
else be constructed accurately
Code M1
6     Two parallel lines. Must either be
AND
approximately parallel and marked
correctly with arrows, or else be
One of code M2
constructed accurately.

Identify 3D    7a)   Triangular prism                         5 out of 7
shapes        b)   Cuboid or rectangular prism             for code A3
c)   Cone
d)   Pyramid
e)   Cylinder
f)   Cube
g)   Sphere
Describe        8     Shape   Faces   Edges   Vertices     4 out of
properties of             a       5       9        6       shapes a-g
3D shapes                b       6      12        8       completed
c       2       1        1        correctly
d       5       8        5        for code
e       3       2        0           M1
f       6      12        8
g       1       0        0

Interpret     9a)   Cube                                 Both for
representations    b)   Tetrahedron or pyramid               code M2
of 3D shapes
10a) 9                                    2 out of 3
b) 55                                    for code
c) 21                                       M2

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