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一年级上册数学课件- 20以内数及其加减法(加进来 减出去) ▏沪教版 (共24张PPT)
加进来,减出去 8+5 = 5 10 15 20 8+5 = 5 10 15 20 8 + 5 = 5 10 15 20 13 13 - 5 = 5 10 15 20 13 - 5 = 5 10 15 20 13 - 5 = 5 10 15 20 8 填空 5 10 15 20 7 + 5 = 12 - = 5 10 15 20 7 + 5 = 12 - = 12 填空 5 10 15 20 7 + 5 = 12 - = 12 5 7 填空 5 10 15 20 6 + = 11 - = 填空 5 10 15 20 6 + = 11 - = 5 11 填空 5 10 15 20 6 + 5 = 11 - = 11 5 6 5 填空 5 10 15 20 + = - = 填空 5 10 15 20 + = - = 8 8 16 填空 5 10 15 20 + = - = 填空 9+3= 12-3= 5+6= -6= 8+4= -4= -7= 6+7= 填数 12 9 11 11 5 12 12 8 13 13 6 11 - 6 = 12 - 5 = 5 + 6 = + = 14 - 7 = 17 - 8 = - = - = 填数 11 - 6 = 12 - 5 = 5 + 6 = + = 14 - 7 = 17 - 8 = + = + = 5 11 11 - 6 = 12 - 5 = 5 + 6 = + = 14 - 7 = 17 - 8 = + = + = 12 7 7 5 5 11 11 - 6 = 12 - 5 = 5 + 6 = + = 14 - 7 = 17 - 8 = + = + = 12 7 7 5 14 7 7 7 5 11 11 - 6 = 12 - 5 = 5 + 6 = + = 14 - 7 = 17 - 8 = + = + = 12 8 17 7 7 9 5 14 9 7 7 7 5 11 连线 9+3=12 6+8=14 12+3=15 12-3=9 9-3=6 14-8=6 15-3=12 6+3=9 从 2 、 3 、 5 、 8 、 10 、 13 中选出三个数写出两道加法算式和两道减法算式 我选( )( )( )查看更多