Lesson U Lets do sums!212528试一试Lets do sums1215十=?Whats 12 plus 15?27Its 27.Lets do sums 4 +2 =613 +1 =1411 +6 =179 +10 =1916 +8 =24Whats.plus.?Its.4 +3 =?6 +1 =?9 +2 =?8 +13 =?5 +16 =?18 +7 =?7 +20=?19 +9 =?谁最厉害？Lets talk?Whats 14 plus 12?Its 26.Lets do sumsHi.kids.Lets do sums.OK?ok.Whats 14 plus 12?Its 25.Yes or no?No.Its 26.Yes.Well done!1.听读课文，至少读三遍。2.用Whats.plus.?Its.与同桌进行对话。3.完成Workbook 中的Make a little survey.Bye Bye
