20以内减法专项练习.docx

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1、20以内减法练习()192 =9 - 7 =19 - 7 =15一9 =1510 =12 - 1 27 - 3 =19,18 :14,3 =18 - 11 =13 - 6 =14,6 =115 =19 - 6 =12 - 8 =14,13 = 1410 =9 - 6 =16 - 8 =13一4 =85 =11 - 2 =13 - 5 =15一11 =XJ11,1 =12 - 5 28 - 6 =16,1 =163 =13-10 =3 - 1 =19,13 = .9,5 =18 - 10 =15 - 4 =14,8 =1915 =7 - 6 =16 - 14 =16一15 =C1916 =19

2、- 8 =15 - 3 =11一10 =5,2 =16 - 5 218 - 7 =17,1 =1718, ,9 =13 =18 - 16 =18 - 3 =19 - 17 =17 - 6 =718, ,5 =12 =a129 =18 - 9 =14 - 9 =13*12 =133 =16 - 2 =11 - 4 =11一7 = 195 =17 - 3 =15 - 12 =17,16 = 14,12 =3 - 2 26 - 5 =18,5 = 1711 =11 - 3 214 - 5 =15,13 =1610 =16 - 7 =18 - 6 =19一4 =12*11 =2 - 1 =16 - 9

3、 =188 =.T90 20以内减法练习（十）9 - 5 =15 - 9 =7 - 5 =18141713 =1 =5 =7 ;15 =12-5=12-10=5-1=15-2 =19-18 =131117-16 =18-8 =17-217-13 =17-4 =17-97-6 =8-7 =13 111 10 =14-2 =16 516-4 =18-7 =15 1418-2 =18-3 =13-1216-1 =16-15 =19-67-5 =17- 1 =4212-4 =15-6 =6 414 13 =5-4 =15 55-2 =17-11 =12-216-11 =17-4 =16-712-3 =

4、15- 1 =19 1213-6 =19-10 =15 719-16 =15-4 =17614-9 =18-12 ;15-318-5 =15-9 =6-29-6 =7-4 =5 311-4 =12-11 =16616 13 =12-9 =18-1 117-2 =19 -14 =20以内减法练习13 - 11 =（二）18 2.12-2 =19 -3 =15 - 8 =6 -4 15-1 =5 -4 =5 - 1 215 -7 19-10 =14 2 =13 - 9 =13 10 9-7 =15 10 =18 - 3 =7 413-8 =12 5 =14 - 1 =64(J15-13 ;13 -

5、2 =14 - 9 211 -718-17 =11 -4 =2 - 1 =17 -1319-6 =18 9 =5 - 1 =6215-1 =17 -9 =9 - 5 =19 13-2 =178 =13 - 12 =19 11 13-11 =14 -3 =15 - 12 =7 -318-15 =19 -15 =18 - 12 =16 -1013-3 =19 -8 =16 - 7 =15 5I1617-1 =-10 =16 -4 5 =2 =15 - 4 =12 - 1 =14 14 613 18-5 =11 -6 =16 - 14 =12 -3 18-10 =19 -5 =17 - 5 =11

6、-815-7 =14 5 =11 - 3 =5 314-12 =11 2 =12 - 4 =14 83-1 =19 13 =13 - 7 =9 -612-315-518-1715 1418-1318 718-615-611 96-517 714-416-1211-1012-1017 317-119-1418 1413-111 120以内减法练习（三）18 - 4 =12 - 9 =16 - 2 =6 =13 =9 =14 =12-2=8-7=9-6=18 11 =86 =12 1113 -6 =17 -2 =14-1014 -11 =19 -18 =15-1115 2 =17 4 =17 14

7、4 1 =17 12 =19 1614 7 =1912 =4 311 -3 =19 -11 :17-618 -17 =3 -1 =13-114 4 =1914 =15 113 -2 =17 15 =19 414 8 =6 3 =18 1315 -5 =15 -6 =18-618 -11 :17 -5 =9-514 9 =13 6 =14 518 10 =16 3 =13 516 4 =15 -10 =17919 -12 =19 -1 ;16-85 -3 =12 -10 =11-919 6 =12 5 =4 16 2 =14 6 =17 139 -8 =15 13 =19 1720以内减法练习（

8、四）17 - 4 =5 - 1 =14 - 2 =12 - 4 =17 - 7 213 - 9 =18 - 4 =4 - 2 =19 - 2 =18 - 3 =15 - 2 =16 - 10 214 - 1 =9 - 7 =：11 2 =19 - 13 =7 - 4 =16 - 1 =13 - 11 =12一3 =84 =18一7 =96 19-11 =13-8 =17一6 =14.32121 =5 ;1474 =3 =1689 =6 ;1315,361918 =141 =1311 :18,512一4 =198 =17一9 =12.6*146一12 =2 =181715 =11 =1117一2

9、 =5 =185一132r114 =43 =196 ;17,217,11 =182 =5,2 =17318一4 =135 =19一4 =14-5由4一1 =17一13 =14一9 =16815一3 =1810 =13一8 =73 14,8 =1710 =3,2 =17151511 :76 ;1814 =18,1614一11 =112 =13一11 =1257一5 =19一7 =16一10 =4219一15 =16一2 =19一9 =18一920以内减法练习（六）7 - 4 =19-16=9-6=15-6=17 - 12 =13 - 12 =13-7 =19-1115-13 =6-518-17

10、=18-1311-5 =14 412-11 =19 212-7 =19 615-12 =11-417-1 =17-414-10 =18 619-17 =11 915-9 =15-515-4 =15-1416-6 =11-615-8 =6 29-5 =13 23- 1 =16 1516-13 =12-611-7 =15-126-3 =18 1519-12 =18-1615-14 =12814-6 =8 616-13 =18 -1512-9 =17 -9157 =17 816-15 =17 62- 1 =15 217-7 =19 -512-2 =19 -1417-14 =18 -12187 =13

11、 -416-9 =4 39-7 =18 -85-1 =19 -117 16 =14 79-8 =12 315-8 =18 -217-13 =11 -515-13 =14 -1013-6 =19 -106-4 =6 518-7 =4 1.20以内减法练习（七）11 8 =16-12 =17 109 -6 =4-3 215 -615 -1 =12-10 =5 -415 10 =12-3 =19 9122 =17-5 =19 116 14 =16-2 =111015 -2 =16-8 =13 -47 -6 =13-8 =8 -719 15 =11-6 =17 418 1 =19-14 =16 111

12、4 4 =17-14 =7 411 -1 =14-13 =18 -54 -2 =6-2 =19 -1818 11 =11-4 =14 117 -9 =17- 1 =19 16129 =13-10 =13 316 -1 =17-8 =12 -1113 -11 =9-8 =14 -513 1 =2- 1 =15 56 5 =19-16 =16 511 -10 =4-3 =197c16 4 =168 =20以内减法练习14 - 13 =（八）19 1013,4 =146 ;8 - 7 =126 1912 =124 =:19 - 15 =7,5-18一15 =157 =16 - 11 =125 19-

13、3 =15-14 =18 - 5 =4.219111 =1 =181416 =12 =18 - 6 =15 - 2 2915,831612 =163 =5 - 1 213,3 14一8 =195 =12 - 11 =139*171913 =2 =14811 =6 =11 - 5 =5 - 4 =171615795 ;1711 =11 - 2 216,619,17 :118 =13 - 7 =3112一1 =198 =8 - 4 =173由I9一6 =11一4 =7 - 6 =18419一11 =53 =18 - 9 =1811 14,5 ;1312 =18 - 13 =851712 =32 =

14、18 - 2 213,619一13 =63 =17 - 4 =161414一1 =17一16 =15 - 8 =161515一1 =17一5 =4 - 1 =5一220以内减法练习（九）14 - 13 =13 - 10 =16 - 1 =16181912 =15 =3 =10 =6 =19 13 =18-3 =15 713-1 =16-9 ;18 -1713-9 =16-8 =12 -819-4 =12-11 =19 1511-5 =13-12 =13 26-3 =17-12 =18 919-2 =13-5 =12 -318-4 =14-8 =17 -18-4 =17-11 =11614- 1 =18-7 =15 319-16 =7-4 =5 312-2 =16-13 =15 -619-3 =17-10 =16 -155-2 =19-11 =11714-11 =11-2 =16 1016-2 =19-12 =14 1217-7 =17-6 ;15 -89-8 =12-5 =11 -815-5 =12-6 =3 23- 1 =2- 1 =18 1615 13 =14-9 =191