人教版数学一上《20以内的进位加法》(整理和复习)PPT课件

1、1.引导同学们发现20以内进位加法表的排列规律，初步培养同学们的分析能力。2.培养同学们仔细观察、发现规律的能力。3.提高同学们的学习兴趣。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+46+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你你说说我我说说6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+8

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3、+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你你说说我我说说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你你

4、说说我我说说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你你说说我我说说6+56+56+66+66+76+76+86+86+96+95+65+65+75+75+85+85+95+94+74+74+84+84+94

5、+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+68 + 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 +11118 + 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 +