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WorksheetsYear 7 Number review
Total questions: 22
Worksheet time: 22mins
Name
Class
Date
1.
4-2=
a)
2
b)
-8
c)
6
d)
-2
2.
6 - (-4)
a)
10
b)
2
c)
-2
d)
-10
3.
-2 + (-8)
a)
-6
b)
6
c)
-10
d)
10
4.
8 - (-5)
a)
1
b)
-15
c)
13
d)
15
5.
what is the value of 42 ?
a)
16
b)
8
c)
4
d)
25
6.
What is the value of 33?
a)
9
b)
21
c)
27
d)
36
7.
What is the value of 82
a)
16
b)
81
c)
64
d)
10
8.
The number 64 can be written as ......
a)
72
b)
2x2x2x2
c)
26
d)
82
9.
What is the positive square root of 121 ?
Use guessing and checking if you need to!
(a)
10.
121 = ______
a)
112
b)
12
c)
11
d)
112
11.
Expand 34
a)
3×3×3×3
b)
3×3×3
c)
3+3+3+3
d)
12
12.
Evaluate 23
a)
4
b)
8
c)
6
d)
4
13.
Write in index notation 11×11×11×11
a)
114
b)
116
c)
121
d)
11+11+11
14.
Find the HCF of 25 and 35
a)
10
b)
5
c)
7
d)
1
15.
Find the HCF of 22 and 42
a)
2
b)
3
c)
11
d)
14
16.
Find the HCF of 21 and 28
a)
3
b)
4
c)
7
d)
14
17.
What is the least common multiple (LCM) of 5 and 20?
a)
4
b)
5
c)
20
d)
100
18.
What is the least common multiple (LCM) of 2 and 3?
a)
6
b)
8
c)
20
d)
10
19.
What is the least common multiple (LCM) of 4 and 10?
a)
4
b)
40
c)
15
d)
20
20.
Write 36 as the product of it's prime factors...
a)
2 x 2 x 3 x 3
b)
2 x 2 x 2 x 3
c)
22 x 32
d)
22 x 3
21.
Write 16 as the product of it's prime factors...
a)
2 x 2 x 2 x 2
b)
2 x 2 x 2
c)
23
d)
24
22.
Write 135 as the product of it's prime factors...
Write your answer in index form...
a)
32 x 52
b)
33 x 5
c)
3 x 3 x 3 x 5
d)
3 x 3 x 5 x 5
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