What is the most common mistake when evaluating expressions?

Forgetting parentheses around a negative substitution. For x = −3, x² means (−3)², which is 9, not −9.

How do I print or save these worksheets as a PDF?

Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.

Can I get a fresh set of problems?

Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.

Is this worksheet generator free?

Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.

Evaluating expressions worksheet generator

Substitution practice: plug in the given values, then follow the order of operations to simplify.

Evaluating Expressions

Name: Date:

1.
Evaluate 5x + 10 when x = 12.
2.
Evaluate 2x + 10 when x = 7.
3.
Evaluate 5x + 12 when x = 12.
4.
Evaluate 7x + 3 when x = 11.
5.
Evaluate 8x + 11 when x = 6.
6.
Evaluate 8x + 8 when x = 8.
7.
Evaluate 4x + 3 when x = 6.
8.
Evaluate 4x + 1 when x = 10.
9.
Evaluate 4x + 3 when x = 8.
10.
Evaluate 8x + 1 when x = 1.
11.
Evaluate 9x + 1 when x = 8.
12.
Evaluate 6x + 11 when x = 7.
13.
Evaluate 4x + 7 when x = 6.
14.
Evaluate 2x + 11 when x = 9.
15.
Evaluate 3x + 1 when x = 6.
16.
Evaluate 5x + 9 when x = 3.
17.
Evaluate 4x + 12 when x = 6.
18.
Evaluate 4x + 1 when x = 12.
19.
Evaluate 6x + 3 when x = 8.
20.
Evaluate 3x + 10 when x = 10.

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Evaluating Expressions — Answer Key

Name: Date:

1.
Evaluate 5x + 10 when x = 12.
70
2.
Evaluate 2x + 10 when x = 7.
24
3.
Evaluate 5x + 12 when x = 12.
72
4.
Evaluate 7x + 3 when x = 11.
80
5.
Evaluate 8x + 11 when x = 6.
59
6.
Evaluate 8x + 8 when x = 8.
72
7.
Evaluate 4x + 3 when x = 6.
27
8.
Evaluate 4x + 1 when x = 10.
41
9.
Evaluate 4x + 3 when x = 8.
35
10.
Evaluate 8x + 1 when x = 1.
9
11.
Evaluate 9x + 1 when x = 8.
73
12.
Evaluate 6x + 11 when x = 7.
53
13.
Evaluate 4x + 7 when x = 6.
31
14.
Evaluate 2x + 11 when x = 9.
29
15.
Evaluate 3x + 1 when x = 6.
19
16.
Evaluate 5x + 9 when x = 3.
24
17.
Evaluate 4x + 12 when x = 6.
36
18.
Evaluate 4x + 1 when x = 12.
49
19.
Evaluate 6x + 3 when x = 8.
51
20.
Evaluate 3x + 10 when x = 10.
40

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Frequently asked questions

What is the most common mistake when evaluating expressions?: Forgetting parentheses around a negative substitution. For x = −3, x² means (−3)², which is 9, not −9.
How do I print or save these worksheets as a PDF?: Click Print worksheet and choose your printer, or pick “Save as PDF” as the destination to keep a digital copy. The answer key prints on its own page.
Can I get a fresh set of problems?: Yes. Click New problems for a brand new randomly generated worksheet, as many times as you like.
Is this worksheet generator free?: Yes. Every generator on the site is free to use, with no account, no watermark and unlimited printing for classroom or home use.