Gcse Grade C Exam Practice Worksheet With Answer Key - Alperton Community School Page 25

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SOLUTIONS
1. 100
0 × 1 = 0
1 × 1 = 1
2 × 4 = 8
3 × 8 = 24
4 × 8 = 32
5 × 7 = 35
2.
Total freq = 60
= 90
360 – 60 = 6
= 72
15 × 6 = 90 Cow
= 30
12 × 6 = 72 Hen
= 168
5 × 6 = 30 Pig
28 × 6 = 168 Sheep
90
3.
(a)
× 360
240
= 135
15 ≤ t < 20
(b)
B1 for 15
t < 20 Accept 15 – 20
4.
(a)
Grade E
B1 for E, e Grade E, e, or 140°
(b)
100/360
B1 5/18 oe
(c)
(i)
8 × 2 = 16
B1 cao
(ii)
360/40 × 8 = 72
M1 360/40 × 8 oe, or 360/80 × “16” oe, or “16” × 4.5 or
attempts to find an association eg 8 + 16 + 20 + 28
A1 cao or ft from (i)
(d)
Reason
B1 reason (eg %, not actual numbers; do not know how many
students, etc)
Alperton Community School Maths Department: GCSE Grade C Exam Practice
25

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