Question

find the square root of 1296 by using tens and ones method

Answer 1

√12961296

Split the radicand into pairs of digits.

√11229966

Determine the largest integer whose squareis less than or equal to 1212.

33√11229966

Square the value above the line and place it under the term like in a long divisionproblem.

33√1122996699

Subtract 99 from 1212 to get 33.

33√112299669933

Bring down the next two digits of the radicand.

33√1122996699339966

Double the number above the radicand (2⋅3=6)(2⋅3=6) and write it down followed by a blank space (n)(n), inside parentheses. Then, multiply it by nn.

33√1122996699339966  (66nn)·nn