﻿ Evaluating Expressions Worksheets | Problems & Solutions
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Evaluating Expressions Worksheets
• Page 1
1.
Evaluate the expression $m$ + 17 for $m$ = 8. a. 27 b. 25 c. 23 d. 28

#### Solution:

m + 17
[Original algebraic expression.]

= 8 + 17
[Replace m with 8.]

= 25

So, m + 17 for m = 8 is 25.

Correct answer : (2)
2.
Evaluate the expression $k$ - 4 for $k$ = 12. a. 8 b. 7 c. 9 d. 6

#### Solution:

k - 4
[Original algebraic expression.]

= 12 - 4
[Replace k with 12.]

= 8

So, k - 4 for k = 12 is 8.

Correct answer : (1)
3.
Evaluate the expression $t$ × 3 for $t$ = 7. a. 24 b. 21 c. 23 d. 20

#### Solution:

t × 3
[Original algebraic expression.]

= 7 × 3
[Replace t with 7.]

= 21

So, t × 3 for t = 7 is 21.

Correct answer : (2)
4.
Evaluate the expression $a$ ÷ 5 for $a$ = 25. a. 10 b. 4 c. 25 d. 5

#### Solution:

a ÷ 5
[Original algebraic expression.]

= 25 ÷ 5
[Replace a with 25.]

= 5

So, a ÷ 5 for a = 25 is 5.

Correct answer : (4)
5.
Find the value of 2 + $m$, if $m$ = 4. a. 8 b. 7 c. 9 d. 6

#### Solution:

2 + m
[Original algebraic expression.]

= 2 + 4 = 6
[Replace m with 4.]

So, 2 + m = 6 when m = 4.

Correct answer : (4)
6.
Find the value of 23 - $n$, if $n$ = 6. a. 19 b. 17 c. 18 d. 20

#### Solution:

23 - n
[Original algebraic expression.]

= 23 - 6 = 17
[Replace n with 6.]

So, 23 - n = 17 when n = 6.

Correct answer : (2)
7.
What is 6 × $n$, if $n$ = 4? a. 27 b. 24 c. 25 d. 26

#### Solution:

6 × n
[Original algebraic expression.]

= 6 × 4 = 24
[Replace n with 4.]

So, 6 × n = 24 when n = 4.

Correct answer : (2)
8.
What is 20 ÷ $n$, if $n$ = 5? a. 5 b. 7 c. 6 d. 4

#### Solution:

20 ÷ n
[Original algebraic expression.]

= 20 ÷ 5 = 4
[Replace n with 5.]

So, 20 ÷ n = 4 when n = 5.

Correct answer : (4)
9.
Evaluate the expression 2$\mathrm{ab}$ - $\frac{c}{3}$ for $a$ = 2, $b$ = 2 and $c$ = 6. a. 6 b. 10 c. $\frac{14}{3}$ d. 14

#### Solution:

2ab - c3
[Original expression.]

= (2 x 2 x 2) - 63
[Replace the variables with their values given.]

= 8 - 2
[Simplify.]

= 6
[Subtract.]

Correct answer : (-1)
10.
Evaluate the expression for $c$ = 9.
2($c$)2 - 3($c$) a. 135 b. 123 c. 162 d. 9