课件25张PPT。跳伞表演
9+( )=11 9+( )=14
8+( )=12 8+( )=11
7+( )=11 6+( )=1154345填空211 - 8 = 13 - 7 = 13 - 6 = 18 - 9 = 15 - 8 = 17 - 9 = 11 - 7 = 14 - 6 = 3679784815 - 9 = 12 - 7 = 13 - 9 = 15 - 7 = 11 - 6 = 16 - 9 = 17 - 8 = 14 - 8 = 65485796
跳伞表演谁多?
多几只?有11只.有7只.多4只11-7=4(只)129756做减法试一试,你准行!67354884说一说、试一试
11-2=
12-3=
13-4=
9 9 911-2=小猴摘桃11-3=11-7=11-6=11-5=984561098567987654还剩多少瓶?14 -5 = 997614– 5 11– 4 11 – 3 11 – 2
11– 5 12 – 4 12 – 3 12 – 58送信(只)(只)(只)(只)15 - 9 = 15 - 6 = 11 - 9 = 11 - 2 = 17 - 8 = 17 - 9 = 69299811 - 8 = 11 - 3 = 16 - 9 = 16 - 7 = 11 - 4 = 11 - 7 = 387974我是神算子13 - 2 = 13 - 3 = 13 - 4 = 13 - 5 = 13 - 6 = 13 - 7 = 1110987615 - 9 = 15 - 8 = 15 - 7 = 15 - 6 = 15 - 5 = 15 - 4 = 67891011我是神算子 7 + 6 =13 - 7 = 13 - 6 = 8 + 7 = 15 - 8 = 15 - 7 = 13671578 7 + 5 = 12 - 5 = 12 - 7 = 6 + 5 = 11 - 5 = 11 - 6 = 1275 1165我是神算子比 多几只?13671147比 多几个?有8个女同学,
有5个男同学。
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