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WorksheetsAlgebra! Substitution and Simplifying
Total questions: 18
Worksheet time: 28mins
Name
Class
Date
1.
If a = 4 and b = 6, what is the value of 3a + 5b?
a)
40
b)
42
c)
44
d)
46
2.
If x = 5, find the value of 7x-1.
a)
34
b)
36
c)
35
d)
37
3.
If y = 4, find the value of 3y+5.
a)
27
b)
12
c)
17
d)
18
4.
If y = 7, find the value of 2(y+4).
a)
11
b)
22
c)
20
d)
12
5.
Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a
2a
a)
5
b)
6
c)
8
d)
10
6.
Work out the value of the following expressions when a = 3, b = 4 and c = 5.
3ab
3ab
a)
10
b)
12
c)
15
d)
36
7.
a + a + a - a
a)
4a
b)
2a
c)
a2
d)
3a
8.
a x 3
a)
a3
b)
a3
c)
3a
d)
aaa
9.
a + a + b + b + a
a)
3ab
b)
2a + b
c)
5ab
d)
3a + 2b
10.
2 x t x s
a)
ts2
b)
4ts
c)
2st
d)
ts2
11.
b2 + b2
a)
2b2
b)
b4
c)
b2b2
d)
4b
12.
5a2 - 3a2
a)
8a2
b)
2a2
c)
2a4
d)
8a4
13.
3b x 5a
a)
3b5a
b)
35ab
c)
ba15
d)
15ab
14.
5a + 2b + 3a + 4b
a)
5a + 2b
b)
7ab + 7ab
c)
8a + 6b
d)
8a - 6b
15.
6a + 2 - 4a - 5
a)
2a + 3
b)
10a - 7
c)
2a - 3
d)
10a + 7
16.
5c x 2c
a)
10cc
b)
10c2
c)
52c
d)
10c
17.
Simplify (3a3b3)(4ab2)2
Hard extension question.
a)
48a5b7
b)
144a4b5
c)
144a6b12
d)
48a8b10
18.
2x+1=5
a)
x=2
b)
x=1
c)
x=3
d)
x=13
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