:教学目的教学目的1.引导同窗们发现引导同窗们发现20以内进位加法表的陈以内进位加法表的陈列规律，初步培育同窗们的分析才干。列规律，初步培育同窗们的分析才干。2.培育同窗们仔细察看、发现规律的才干。培育同窗们仔细察看、发现规律的才干。3.提高同窗们的学习兴趣。提高同窗们的学习兴趣。:6+96+95+95+94+94+93+93+92+92+99+49+48+58+57+77+76+66+63+83+89+59+58+38+37+47+4:6+96+95+95+94+94+93+93+92+92+99+49+48+58+57+77+76+66+63+83+89+59+58+38+37+47+4:6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+84+94+93+83+83+93+92+92+99+29+29+39+39+49+49+59+59+69+69+79+79+89+89+99+98+38+38+48+48+58+58+68+68+78+78+88+88+98+97+47+47+57+57+77+77+87+87+97+97+67+6:6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+84+94+93+83+83+93+92+92+99+29+29+39+39+49+49+59+59+69+69+79+79+89+89+99+98+38+38+48+48+58+58+68+68+78+78+88+88+98+97+47+47+57+57+77+77+87+87+97+97+67+6:6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+84+94+93+83+83+93+92+92+99+29+29+39+39+49+49+59+59+69+69+79+79+89+89+99+98+38+38+48+48+58+58+68+68+78+78+88+88+98+97+47+47+57+57+77+77+87+87+97+97+67+6:6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+84+94+93+83+83+93+92+92+99+29+29+39+39+49+49+59+59+69+69+79+79+89+89+99+98+38+38+48+48+58+58+68+68+78+78+88+88+98+97+47+47+57+57+77+77+87+87+97+97+67+6:6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+84+94+93+83+83+93+92+92+99+29+29+39+39+49+49+59+59+69+69+79+79+89+89+99+98+38+38+48+48+58+58+68+68+78+78+88+88+98+97+47+47+57+57+77+77+87+87+97+97+67+6:8 + 3 = 3 +8 + 3 = 3 +2 + 9 = 9 +2 + 9 = 9 +5 + 6 = 6 +5 + 6 = 6 +7 + 5 = 5 +7 + 5 = 5 +:8 + 3 = 3 +8 + 3 = 3 +1111:8 + 3 = 3 +8 + 3 = 3 +:8 + 3 = 3 +8 + 3 = 3 +2 + 9 = 9 +2 + 9 = 9 +5 + 6 = 6 +5 + 6 = 6 +7 + 5 = 5 +7 + 5 = 5 +:4 + = 9 +4 + = 9 +6 + = 8 +6 + = 8 +:3 + 9 =3 + 9 =4 + 7 =4 + 7 =8 + 6 =8 + 6 =5 + 7 =5 + 7 =9 + 6 =9 + 6 =3 + 8 =3 + 8 =4 + 6 =4 + 6 =8 + 5 =8 + 5 =9 + 9 =9 + 9 =:7 + 9 + 27 + 9 + 24 + 8 + 24 + 8 + 29 + 4 + 69 + 4 + 63 + 6 + 53 + 6 + 57 + 3 + 57 + 3 + 58 + 4 + 58 + 4 + 5: