20以内数的分解
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20以内加法表姓名:
用凑十法计算:
9 + 4 = 8 + 6= 6 + 7= 8 + 4 = 9 + 6= 8+ 7= 4 + 7 = 3 + 8= 6 + 5= 5 + 7 = 3 + 9= 6 + 6=
2+ 9 = 5 + 9= 8 + 5= 9 + 9= 7 + 8= 5 + 6=
20以内数的分解 姓名:
9+( )=11 ( )+4=12 8+( )=15 ( )+7=13
( )+6=15 ( )+5=13 ( )+9=16 ( )+6=15
2+( )=12 ( )+11=19 9+( )=11 ( )+4=12
8+( )=15 ( )+7=13 6+( )=12 8+( )=16 6+( )=11 12+( )=17 ( )+5=14 7+( )=11
9+( )=17 6+( )=15 7+( )=10 9+( )=18 15-( )=6 12-( )=7 13-( )=5 14-( )=8 ( )-9=4 15-( )=8 ( )-8=3 16-( )=8 14-( )=9 ( )-9=7 16-( )=9 15-( )=6 10-( )=9 13-( )=8 ( )-4=8 ( )-5=10
14-( )=6 11-( )=2 ( )-5=6 ( )-3=12 ( )-8=8 ( )-6=6 ( )-7=11 12-( )=4
11
12
13 14 15
16 17 18
用破十法计算
13 – 4= 11 - 8= 12 – 9= 14- 5= 16 – 7= 13 - 5= 11 –6= 14 - 8= 14 – 7= 12 - 3= 18 – 9= 15 - 7=
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