苏教版一年级上册数学 《20以内的进位加法》数数大比拼（课件）(共26张PPT)

(课件网) 5 ＋ 6 = 15 10 1 9 4 ＋ 5 = 14 10 1 9 9 ＋ 7 = 1 6 10 16 9 ＋ 3 = 9 ＋ 8 = 圈一圈，算一算。 记忆小火车 9 ＋ 6 = 15 1 5 10 9 ＋ 5 = 14 1 4 10 9 ＋ 7 = 16 1 6 10 9 ＋ 3 = 12 1 2 10 9 ＋ 8 = 17 1 7 10 9＋4=13 1 3 10 9＋6=15 1 5 10 9＋5=14 1 4 10 9＋7=16 1 6 10 9＋3=12 1 2 10 9＋8=17 1 7 10 9＋1＋3=13 9＋1＋2=12 9＋1＋5=15 9＋1＋4=14 9＋1＋7=17 9＋1＋6=16 9＋1＋1= 11 9＋2= 9＋1＋8= 9＋9= 11 18 18 10 10 9＋ 2 9＋2=11 7 9＋7=16 4 9＋4=13 9 9＋9=18 3 9＋3=12 5 9＋5=14 6 9＋6=15 8 9＋8=17 9 ＋ 2 = 11 9 ＋ 7 = 16 9 ＋ 4 = 13 9 ＋ 9 = 18 9 ＋ 3 = 12 9 ＋ 5 = 14 9 ＋ 6 = 15 9 ＋ 8 = 17