Skills · The Number System · Exponents & Roots

Square roots

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

Problem types

• a perfect square: √49
• a minus outside the root: −√49
• a fraction under the root: √(9/16)
• a number in front: 3√16

Sample Sheet · Level 1

1. √121 =
2. √144 =
3. √36 =
4. √25 =
5. −√49 =
6. −√64 =
7. −√81 =
8. −√36 =

Answer key

1. 11
2. 12
3. 6
4. 5
5. −7
6. −8
7. −9
8. −6

Sample Sheet · Level 3

1. √16 =
2. √625 =
3. −√25 =
4. √925 =
5. 3√100 =
6. √949 =
7. −√169 =
8. 2√25 =

Answer key

1. 4
2. 25
3. −5
4. 35
5. 30
6. 37
7. −13
8. 10

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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