PLATINUM CHALLENGE
SHAPES
ROMAN NUMERALS
ARABIC
NUMERAL
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
55
11
17
ROMAN
NUMERAL
I
II
III
IV
V
VI
VII
VIII
IX
X
XX
XXX
XL
L
LX
LXX
LXXX
XC
C
LV
XI
XVII
ANGLES
Full Turn
Right angle
3600
900
Straight Line
1800
Acute
Less than 900
Obtuse
Reflex
0
More than 90 ,
less than 1800
More than 1800
less than 3600
Regular- A shape that has equal sides and angles
Regular Hexagon
Equilateral Triangle
Quadrilaterals – A shape with FOUR sides
Rectangle
2 pairs of parallel sides
4 right angles
2 pairs of equal sides
Parallelogram
2 pairs of parallel sides
Kite
Rhombus
No parallel sides
All sides same length
2 pairs of adjacent sides No right angles
of equal length
Trapezium
Exactly one pair of parallel sides
Isosceles trapezium – non parallel sides are equal
length
Well Done for achieving your Gold Award.
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holder?