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WorksheetsCombining Like Terms and Substitutions
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
Simplify by combining like terms:
5a + 2b - 3a + 4
5a + 2b - 3a + 4
a)
8a + 2b + 4
b)
2a + 2b + 4
c)
8ab
d)
4ab + 4
2.
Simplify the expression: 3x-5x
a)
2x
b)
8x
c)
-2x
d)
15x2
3.
Simplify the expression: 3x + 2x
a)
5x
b)
x
c)
6x
d)
5
4.
Simplify the expression: -r -10r
a)
11r
b)
-11r
c)
9r
d)
-11
5.
Simplify the expression: -6k + 7k
a)
k
b)
-k
c)
12k
d)
-12k
6.
Simplify the expression: 2x + 1 + 7x
a)
10x
b)
10
c)
9x + 1
d)
9 + 1x
7.
Simplify by combining like terms:
n -10 +9n -3
n -10 +9n -3
a)
-3
b)
9n-3
c)
n
d)
10n -13
8.
Simplify the expression: -4x - 10x
a)
-14
b)
6x
c)
-6x
d)
-14x
9.
Simplify the expression: 7v + 2 + 12 + 2v
a)
23
b)
23v
c)
9 + 14v
d)
9v + 14
10.
Simplify by combining like terms:
3x + 2x + 3y - 7y
3x + 2x + 3y - 7y
a)
5x + 10y
b)
5x + 4y
c)
5x - 4y
d)
5x -10y
11.
Simplify the following expression:
-10x + 15 - 3x + 2
-10x + 15 - 3x + 2
a)
13x2 + 17
b)
-13x2 + 13
c)
-13x + 17
d)
-7x + 17
12.
Simplify the following expression:
3 + 5x + 8 - 2x
3 + 5x + 8 - 2x
a)
-3x2 - 11
b)
3x2 + 11
c)
11 - 3x
d)
11 + 3x
13.
Simplify the following expression:
-5+6a+7c+4a
-5+6a+7c+4a
a)
-11a+7c-5
b)
15a+7c
c)
10a+7c-5
d)
-10a+7c+5
14.
Simplify the following expression:
5x - 6x - 8x + 7
5x - 6x - 8x + 7
a)
-9x + 7
b)
10x + 7
c)
9x + 7
d)
9x - 7
15.
Which term is the variable?
3h + 17
3h + 17
a)
3
b)
h
c)
+17
16.
What is happening when we simplify?
a)
We are solving the expression.
b)
Combining like terms to make an expression easier to read.
c)
PEMDAS
d)
Order of Operations
17.
What is the co-efficient?
- 3vb
- 3vb
a)
-1
b)
v
c)
-3
d)
vb
18.
Simplify the following expression:
a - 8 - 10
a - 8 - 10
a)
2a - 18
b)
a - 18
c)
a - 2
d)
a + 18
19.
5x2 + 3x - 8x2
a)
-3x2 + 3x
b)
0
c)
3x2 + 3x
d)
13x2 + 3x
20.
Can you combine 2x and 2?
a)
Yes
b)
No
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