表内乘法(一),2、3的乘法口诀,35 52 4551 55 53,10,5,20,25,15,15,(一)说口诀算得数,(二)看图填空,( )个( )是( ),( )( )=( ),( )个( )是( ),( )( )=( ),2,2,4,2,2,2,5,10,2,5,4,10,例2:,122,一二得二,212,例2:,122,一二得二,212,224,二二得四,例3:,133,一三得三,313,例3:,133,一三得三,313,236,二三得六,326,例3:,133,一三得三,313,236,二三得六,326,339,三三得九,22( ),32( ),巩固应用,(一)计算并写出口诀,4,口诀:二二得四,口诀:二三得六,6,45( ),33( ),20,口诀:四五二十,9,口诀:三三得九,作业:第56页练习十一第2题。,