20以内数的分解

20以内加法表姓名:

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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=

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

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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=