Here are some tips and tricks for
Easier Multiplication:
http://catdumps.blogspot.com/2008/12/multiplication-easier.html
Numbers with same first digits:
http://catdumps.blogspot.com/2008/12/multiply-two-numbers-with-same-first.html
squares of numbers:
http://catdumps.blogspot.com/2008/12/to-find-squares-of-numbers-near-numbers.html
squares of numbers from 50 to 59:
http://catdumps.blogspot.com/2008/12/to-find-squares-of-numbers-from-50-to.html
Multiplying by thirteen:
http://catdumps.blogspot.com/2008/12/multiplying-by-thirteen.html
Easier Multiplication:
http://catdumps.blogspot.com/2008/12/multiplication-easier.html
Numbers with same first digits:
http://catdumps.blogspot.com/2008/12/multiply-two-numbers-with-same-first.html
squares of numbers:
http://catdumps.blogspot.com/2008/12/to-find-squares-of-numbers-near-numbers.html
squares of numbers from 50 to 59:
http://catdumps.blogspot.com/2008/12/to-find-squares-of-numbers-from-50-to.html
Multiplying by thirteen:
http://catdumps.blogspot.com/2008/12/multiplying-by-thirteen.html
