20以内口算表

1、1 + 1 = 210以内加法口诀表2+1 = 31+2= 33+1 = 42+2= 41+3= 44+1 = 53+2= 52+3= 51+4= 55+1 = 64+2= 63+3= 62+4= 61+5= 66+1 = 75+2= 74+3= 73+4= 72+5= 71+6 = 77+1 = 86+2= 85+3= 84+4= 83+5= 82+6 = 81+7= 88+1 = 97+2= 96+3= 95+4= 94+5= 93+6 = 92+7= 91+8 = 99+1= 108+2= 107+3 = 106+4= 105+5 = 104+6= 103+7= 102+8= 101+9

2、= 1010以内减法口诀表2-1 = 13-2 = 13-1 = 24-3 = 14-2 = 24-1 = 35-4= 15-3 = 25-2 = 35-1 = 46-5= 16-4= 26-3 = 36-2 = 46-1 = 57-6 = 17-5= 27-4= 37-3 = 47-2 = 57-1 = 68-7 = 18-6 = 28-5= 38-4= 48-3 = 58-2 = 68-1 = 79-8= 19-7 = 29-6 = 39-5= 49-4= 59-3 = 69-2 = 79-1 = 810-9 = 110-8 = 210-7 = 310-6 = 410-5 = 510-4

3、= 610-3 = 710-2 = 810-1 = 920以内加法口诀表1+11=122+11 =133+11=144+11= 155+11=166+11=177+11=188+11 =199+11=201+12= 132+12 =143+12=154+12= 165+12= 176+12= 177+12= 198+12 =201+13= 142+13 =153+13=164+13= 175+13= 186+13= 197+13= 201+14= 152+14 =163+14=174+14= 185+14= 196+14= 201+15= 162+15 =173+15=184+15= 196+

4、14= 201+16= 172+16 =183+16=194+16= 201+17= 182+17 =193+17=201+18= 192+18 =201+19 = 2020以内减法口诀表11-1 = 1011-2 =911-3 =811-4 =711-5 =611-6 =511-7 =411-8 =二 311-9 =211-10 = 112-2 =1012-3 =912-4 =二 812-5 =712-6 =612-7 =512-8 =412-9 =二 312-10 = 213-10 =313-4 =913-5 =二 813-6 =713-7 =613-8 =513-9 =413-10 =

5、314-4 =1014-5 =914-6 =二 814-7 =714-8 =614-9 =514-10 = 415-5 =1015-6 =915-7 =二 815-8 =715-9 =615-10 = 516-6 =1016-7 =916-8 =二 816-9 =1016-10 = 617-7 =1017-8 =917-9 =二 817-10 = 718-8 =1018-9 =918-10 = 819-9 =1019-10 = 920-10 = 101+110以内加法口诀表2+11+23+12+21+34+13+22+31+45+14+23+32+41+56+15+24+33+42+51+67

6、+16+25+34+43+52+61+78+17+26+35+44+53+62+71+89+18+27+36+45+54+63+72+81+910以内减法口诀表2-13-23-14-34-24-15-45-35-25-16-56-46-36-26-17-67-57-47-37-27-18-78-68-58-48-38-28-19-89-79-69-59-49-39-29-110-910-810-710-610-510-410-310-210-120以内加法口诀表1 + 112+113+114+115+116+117+118+119+111 + 122+123+124+125+126+128+1

7、28+121 + 132+133+134+135+136+139+131 + 142+143+144+145+146+141 + 152+153+154+155+151 + 162+163+164+161 + 172+173+171 + 182+181 + 1920以内减法口诀表11-111-211-311-411-511-611-711-811-911-1012-212-312-412-512-612-712-812-912-1013-313-413-513-613-713-813-913-1014-414-514-614-714-814-914-1015-515-615-715-815-9

8、15-1016-616-716-816-916-1017-717-817-917-1018-818-918-1019-919-1020-1020以内的不进位加 法练习11+313+410+717-214+515+316+218+116+314+012+210+513+319+014+218+117+213+516+314+415+111+712+215+414+313+610+718+116+219+014+512+314+312+715+410+9仃+014+213+616+112+511+818+016+212+515+112+311+210+812+214+316+014+5仃+1仃+2

9、16+113+510+214+413+312+010+315+216+311+114+215-217-514+210+918-613-113+417+117-316-215+114+519-415-511+717+115-218-412+217+214-319-715+416+117-412-014+313+518-613-313+610+219-111-010+714+413-015-418+113+316-517-216+2 12+012-219-619+010+311-116-314+515+215-314-112+316+314-419-811+114+219-214-414+210+

10、915-418-513+417+117-312-115+114+513-119-712+711+214-215-310+615+412-0 11-018+114+218-716-519+016+111-113-213+517+016-317-414+412+619-913-320以内的不退位减12-214-1法练习17-419-218-512-114-013-114-219-518-2 12-017-613-219-716-415-318-412-114-313-016-315-313-219-914-417-518-516-411-114-215-419-512-213-317-316-61

11、9-616-217-419-915-314-312-018-519-712-114-215-218-619-416-313-319-518-115-417-512-220以内的不退位、不进位加减法练习15+212-017-410+819-615-411+518+114-116-312+314+416-517-210+919+018-413-113+311+617-715-216+217-418-513-210+412+715+319-817-114+413+615-216-210+714+518-815-311+512+619-219-314+012+417-214-210+518-618-3

12、14+512+617-119-713+314+319-818-415+217-516-514-411 -013-617-716-013-216+314+515-017-414+416-317-218+112-119-014+314+219-815-116+217+215+419-610+611+718-514+215-118-519-011+714-216-313+619-217+114+418-415-315+212+416-517-612+715+319-819-416+020以内的进位加法练习8+79+39+24+83+87+75+58+44+95+76+82+93+76+46+58+3

13、9+83+74+79+46+68+61+98+79+57+68+55+64+78+26+93+87+44+94+77+88+56+59+51+92+88+46+45+77+52+93+94+86+65+68+39+96+78+89+47+68+27+75+94+66+85+89+86+78+66+99+67+38+36+94+79+13+88+44+97+67+79+39+55+86+47+56+76+84+87+98+97+46+67+82+98+55+98+24+65+59+48+34+97+67+79+19+54+86+47+58+79+39+25+83+97+43+86+86+65+7

14、8+99+96+78+45+98+24+61+98+89+45+69+84+78+53+84+86+65+78+39+99+51+910-815-92+88+414-510-16+43+713-411-37+52+910-312-59+13+917-915-85+88+215-613-64+96+713-516-87+69+412-714-65+69+814-918-94+77+715-713-85+9 4+617-816-76+87+816-912-96+98+611-511-820以内的退位减法12-713-4练习14-911-810-714-615-711-211-313-917-813

15、-915-911-216-910-818-917-911-614-513-614-812-911-416-713-714-810-311-712-515-618-917-815-817-914-611-6 12-610-513-512-816-914-613-714-710-118-912-512-911-313-515-814-816-916-712-615-614-612-916-917-918-917-810-110-512-514-111-313-414-113-912-814-910-211-215-711-213-517-913-613-911-814-816-820以内的进位、退

16、位加减法练习12-47+94+813-718-96+54+713-417-85+83+915-715-67+35+516-916-78+61+911 -411 -314-610-49+85+817-914-73+78+611 -411 -37+52+915-713-616-95+710+412-96+67+713-716-812-35+910-314-79+48+312-713-47+912-68+55+513-610-13+84+811 -611 -26+47+615-913-84+78+611-411 -37+52+915-713-616-95+710-112-47+94+813-718-96+54+713-412-68+55+5