Short cut to get squares of numbers from 51 to 59


Short cut to get squares of numbers from 51 to 59
512  =  5x5 +1   ,  1x1     = 2601
522  =  5x5 +2   ,  2x2     = 2704
532 =  5x5 +3   ,  3x3     = 2809
542 =  5x5 +4    ,  4x4     = 2916
552 = 5x5 +5    ,  5x5     = 3025
562 = 5x5 +6   ,  6x6     = 3136
572  =  5x5 +7  ,   7x7     = 3249
582 =  5x5 +8  ,   8x8     = 3364
592 =  5x5 +9  ,   9x9     = 3481