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RESOURCE MASTER 22 RESOURCE MASTER 24 RESOURCE MASTER 26 RESOURCE MASTER 2q
rn rn-oo

a 20cm 2 a -V 100 = 10 a SO% probability
Length a = 1 0 m
b, c Practical b Open
b --!25=S
d 20cm 2 c 100% probability
Length b = Sm
c -v 100 + --125 = 10 + s d 0% probability
Length c = 1 S m e 100% probability
a 40cm 2
d -V81 =q f Open
b, c Practical
-V16 = 4 g SO% probability
d 40cm 2 q_4=q
Length d = Sm h 0% probability
e -V4q + "'14 = 7 + 3 = 10 2S% probability
Length e = 1 0 m j Open
a, b, c Practical
f '164-"'14--fi=B-2-2=4
d 40cm 2
Length f = 4m

RESOURCE MASTER 23 Challenge
Length g = 2S m
7
Starting Straight
point lines
2
a area: 162 cm
1 10
2
b area: 162 cm
2 q
c area: 12S cm 2
3 8
d area: 112cm 2 4 7
s 6
Challenge
6 s
Two possible answers:
7 4
18cm x qcm
8 3
Perimeter = S4 cm
q 2
S4cm x 3cm The total number of
10 1
Perimeter = 114 cm lines drawn equals the 10th
11 0
triangular number.
TOTAL SS