Cube Root Worksheet
The trick (Vilokanam): Last digit → unit digit of the root: 2↔8 and 3↔7 swap, every other digit stays the same. Remove the last three digits; the biggest cube not more than what is left gives the tens digit. Put them together.
NameDateTime takenScore ___ / 40
- 1.∛287496 =
- 2.∛493039 =
- 3.∛941192 =
- 4.∛85184 =
- 5.∛884736 =
- 6.∛970299 =
- 7.∛9261 =
- 8.∛328509 =
- 9.∛474552 =
- 10.∛405224 =
- 11.∛85184 =
- 12.∛636056 =
- 13.∛166375 =
- 14.∛27000 =
- 15.∛804357 =
- 16.∛1728 =
- 17.∛804357 =
- 18.∛42875 =
- 19.∛970299 =
- 20.∛148877 =
- 21.∛17576 =
- 22.∛13824 =
- 23.∛314432 =
- 24.∛15625 =
- 25.∛85184 =
- 26.∛13824 =
- 27.∛54872 =
- 28.∛12167 =
- 29.∛314432 =
- 30.∛300763 =
- 31.∛405224 =
- 32.∛681472 =
- 33.∛3375 =
- 34.∛778688 =
- 35.∛21952 =
- 36.∛9261 =
- 37.∛74088 =
- 38.∛17576 =
- 39.∛4096 =
- 40.∛681472 =
Answer key
- 66
- 79
- 98
- 44
- 96
- 99
- 21
- 69
- 78
- 74
- 44
- 86
- 55
- 30
- 93
- 12
- 93
- 35
- 99
- 53
- 26
- 24
- 68
- 25
- 44
- 24
- 38
- 23
- 68
- 67
- 74
- 88
- 15
- 92
- 28
- 21
- 42
- 26
- 16
- 88
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