竖着一溜一溜背
1.10以内加法口诀:
*
1+ 1= 2
*
1+ 2= 3, 2+ 2= 4
*
1+ 3= 4 ,2+ 3= 5 ,3+ 3= 6
*
1+ 4= 5 ,2+ 4= 6 ,3+ 4= 7, 4+ 4= 8
*
1+ 5= 6 ,2+ 5= 7, 3+ 5= 8, 4+ 5= 9, 5+ 5=10
竖着一溜一溜背
1.10以内加法口诀:
*
1+ 1= 2
*
1+ 2= 3, 2+ 2= 4
*
1+ 3= 4 ,2+ 3= 5 ,3+ 3= 6
*
1+ 4= 5 ,2+ 4= 6 ,3+ 4= 7, 4+ 4= 8
*
1+ 5= 6 ,2+ 5= 7, 3+ 5= 8, 4+ 5= 9, 5+ 5=10