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1) For x = 7, find the value of the following expression: 10x + 5
2) Find the value of the following expression

for x = 2
3) Evaluate the given expression


+ 9 for x = 1
4) Evaluate (a
2
+ b
2
- c
3
+ d)(a
2
+ b
2
+ c + d) for a = 2, b = 1, c = 1
and d = 3
5) Simplify the given expressions 24x
2
+ 11x + 14 and find its
value for x = 4.
6) Evaluate the given expression 2p + 7q for p = 2, q = 9
7) Evaluate the following polynomial x
2
+ 16y
2
+ 17y
0
+ 3x
3
for x =
3, y = 1
8) Evaluate the given the expression



for x = 4
9) Simplify the following algebraic expressions (12y)
2
+ (2y)
3
+ 2
for y = 3
10) Evaluate the following expression 9xy + 12x
2
y
4
+ 7x
2
y
3
for x =
4, y = 1
11) Find the value of the following expressions 0.7x
2
+ 0.9x
2
y
2
+
0.8y
2
for x = 2, y = 4
Evaluating Algebraic Expressions Worksheets
Grade 8
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12) Simplify the expression p
2
q
2
r(pq
2
+ p
2
+ q
2
) + r
2
q for p = 5,
q = 5, r = 7
13) Given that x = 3 and y = 4, find the value of the following
expression (3x + 4y)
2
+ (x + y)
2
+ 24xy
14) Find the value of this expression
     
where p = 4 and q = 2
15) There are two boxes containing coins. Each large box
contains 10 balls and each small box contains 5 balls. If there are
in total x small boxes and y large boxes. Then find the algebraic
expression for the total number of balls?
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1) 10
2)


3)


5) 256
6) 67
7) 191
9) 1514
10) 340
11) 73.2
13)
14)
15) 190
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An easy trick to remember the order
of PEMDAS is "Please Excuse My
Dear Aunt Sally".
Many mnemonics following order of
operations are used along with
PEMDAS worldwide, like BODMAS,
BEDMAS, and BIDMAS.