mathematics tricks and fun

Cube roots of exact cubes.24 mathematics tricks and fun Hello friends today we are going to study how quickly we can derive cube roots of small to big numbers. I am Dr Prema B Sejekan .This is the 24th class of mathematics tricks and fun. Now what is a cube root? In simple words,Cube root of a number is a number which when multiplied three times,  by itself gives the number. Cube root of 8 is 2 and cube  of 2 is 8. Similarly cube root of 27 is 3 and cube of 3 is  27.    So to find the cube root quickly we should have a  working knowledge of the cubes of at least unit  digits. Now let us recollect them again.           1,. 1. 6. 216                       2. 8. 7. 343                       3. 27. 8. 512       ...