Skills · The Number System · Radicals
Adding and subtracting radicals
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- like roots: 3√2 + 5√2
- simplify first, then combine: √8 + √18
- an unlike root left over: 2√3 + √12 − √2
Sample Sheet · Level 1
- √7 + 2√7 =
- 7√3 + 8√3 =
- 3√2 + 8√2 =
- 4√10 + 5√10 =
- 2√11 − 7√11 =
- 2√3 − √3 =
- 6√2 − 7√2 =
- 4√11 − 6√11 =
Answer key
- 3√7
- 15√3
- 11√2
- 9√10
- −5√11
- √3
- −√2
- −2√11
Sample Sheet · Level 3
- 10√5 + 11√5 =
- 8√5 − 12√5 =
- 12√6 − √6 =
- 5√5 + √45 − 2√6 =
- √150 − √24 =
- 3√3 + √18 + √2 =
- √45 − √20 =
- √3 + √12 + √5 =
Answer key
- 21√5
- −4√5
- 11√6
- 8√5 − 2√6
- 3√6
- 4√2 + 3√3
- √5
- 3√3 + √5
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.