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Take Cube Roots of 6-Digit Numbers Mentally

Step 3What You Have to Know

In order to extract all of these cube roots, you will need to have a small subset of cubes memorized. So, in order for this to work well, you must memorize these 10 cube roots:

03 = 0
13 = 1
23 = 8
33 = 27
43 = 64
53 = 125
63 = 216
73 = 343
83 = 512
93 = 729

Write these down on a sheet of paper and take the time to memorize these, it will make the upcoming steps much easier.
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Author:purduecer(NBitWonder)
When life gives me lemons, I make batteries. Check out my website at http://nbitwonder.com