Skills · The Number System · Exponents & Roots

Evaluating integer exponents

Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.

Problem types

• a positive exponent: 2⁵
• a zero exponent: 7⁰
• a negative exponent: 2⁻³
• a negative base, negative exponent: (−2)⁻³
• a fraction base, negative exponent: (2/3)⁻²

Sample Sheet · Level 1

1. 2³ =
2. 2⁴ =
3. 6³ =
4. 5⁴ =
5. 2⁵ =
6. 8³ =
7. 12² =
8. 4⁰ =

Answer key

1. 8
2. 16
3. 216
4. 625
5. 32
6. 512
7. 144
8. 1

Sample Sheet · Level 3

1. 4⁴ =
2. 6² =
3. 7⁻² =
4. (34)⁻² =
5. 9⁰ =
6. 4⁻³ =
7. (−6)⁻³ =
8. (−2)⁻¹ =

Answer key

1. 256
2. 36
3. 149
4. 169 = 179
5. 1
6. 164
7. −1216
8. −12

Make your own

Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.

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