Worksheets › Exponents (Grades 6-8)

Free Exponent Worksheets (Grades 6-8) — with Answer Keys

Print an exponent worksheet for grades 6-8 below — evaluating powers and applying the laws of exponents (product, quotient, power, zero, and negative exponents) — with a complete answer key. No signup needed.

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Exponent Practice — Grades 6-8

Evaluating powers

1.Compute: 212
2.Compute: 192
3.Compute: 123
4.Compute: 35
5.Compute: 36

Product rule

6.Simplify x2 · x8 · x4 = x?. What is the exponent?
7.Simplify x2 · x2 = x?. What is the exponent?
8.Write 28 × 23 as a single power of 2. What is the exponent?
9.Simplify x5 · x5 = x?. What is the exponent?

Quotient & power rules

10.Simplify (x3)2 / x4 = x?. What is the exponent?
11.Simplify x13 / x7 = x?. What is the exponent?
12.Simplify (x5)2 = x?. What is the exponent?
13.Simplify (x3)3 = x?. What is the exponent?

Zero & negative exponents

14.Evaluate 10−2. (Answer as a fraction like 1/8.)
15.Evaluate 690.
16.Evaluate 3−2. (Answer as a fraction like 1/8.)

Answer Key

1.441
2.361
3.1728
4.243
5.729
6.14
7.4
8.11
9.10
10.2
11.6
12.10
13.9
14.1/100
15.1
16.1/9

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Frequently asked questions

Are these exponent worksheets free?
Yes — view, print, and share every sheet for free, with no account and no signup.

Do they include an answer key?
Every worksheet has a full answer key at the bottom of the page.

What grades are these exponent worksheets for?
They are designed for Grades 6-8.

Can I get a different worksheet?
Yes — click “Generate a new sheet” and a fresh set of problems (with a matching answer key) is created instantly.