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1、2、3、4的乘法口诀,4+4+4=,5+5+5+5+5+5=,8+8+8+8+8+8+8=,34,=43,65,=87,78,=56,11=1,一一得一,12=2,(21=2),一二得二,22=4,二二得四,13=3,33=9,23=6,(31=3),(32=6),一三得三,二三得六,三三得九,12,13,21,33,32,22,31,11,23,一、看算式,再填空,2+2=,=,二二得,(),3+3=,=,二三得,(),2、读一句乘法口诀,写出两道乘法算式.,一三得三,一二得二,13=3,12=2,31=3,21=2,一四得四,三四十二,14=4,41=4,34=12,43=12,3、看图写出两道乘法算式和一句乘法口诀,口诀:,23=6,32=6,二三得六,口诀:,24=8,42=8,二四得八,13=,22=,32=,12=,口诀:,口诀:,口诀:,口诀:,一三得三,二二得四,二三得六,一二得二,3,4,6,2,4,16,12,8,4,3,2,1,车厢的节数,人数,16,2,3,4,4,1,12,8,11=1,一一得一,12=2,(21=2),一二得二,22=4,二二得四,13=3,33=9,23=6,(31=3),(32=6),一三得三,二三得六,三三得九,14=4,24=8,34=12,44=16,一四得四,二四得八,三四十二,四四十六,41,24,14,44,43,42,34,
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