MENTAL ARITHMETIC

*~*YEAR 1 TO YEAR 6*~*

Mental arithmetic involves solving mathematical problems in one's head.

*~~~~~~~~~~~~~~~~~~~~~*

http://www.cma2u.com/v2/

http://www.ucmas.com/prog_abacus.htm

http://www.my-rummy.com/Abacus_for_Primary_School_Children.html

http://math.usask.ca/emr/menu_arith.html

http://en.wikipedia.org/wiki/Mental_calculation

http://windhoff.net/mental_arithmetic/#Multiplication

http://flashfabrica.com/f_game/e_keisan.html

*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*