Gcse Grade C Exam Practice Worksheet With Answer Key - Alperton Community School Page 8
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28Number: Index Notation
1.
Simplify
÷ x
2
7
8
3
(i)
p
× p
…………………………(ii) x
…………………………(Total 2 marks)
2.
(a)
Simplify
÷ x
2
7
8
3
(i)
p
× p
…………………………(ii)
x
…………………………
y ×
4
3
y
(iii)
…………………(3)
5
y
2
(b)
Expand t(3t
+ 4)
…………………………(2) (Total 5 marks)
3.
(a)
Simplify
6
x
4
3
(i)
...................................(ii) (y
)
...................................(2)
2
x
(b)
Expand and simplify (t + 4)(t – 2)
...................................(2)
(c)
Write down the integer values of x that satisfy the inequality
–2 ≤ x < 4...................................(2) (Total 6 marks)
4.
Write as a power of 5
4
2
9
6
(i)
5
× 5
…………………….(ii)
5
÷ 5
…………………….(Total 2 marks)
5.
The table shows some rows of a number pattern.
2
2
Row 1
2
– 0
= 4 = 4 × 1
2
2
Row 2
3
– 1
= 8 = 4 × 2
2
2
Row 3
4
– 2
= 12 = 4 × 3
Row 4
(a)
Complete Row 4 of the number pattern. (1)
2
2
(b)
Use the number pattern to find the answer to 121
– 119
……………(2)(Total 3 marks)
Alperton Community School Maths Department: GCSE Grade C Exam Practice
8
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