20以内口算表.doc

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= 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 = 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+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 = 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+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+128+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11-111-211-311-411-511-611-711-811-911-1012-212-312-412-512-612-712-812-912-1013-313-413-513-613-713-813-913-1014-414-514-614-714-814-914-1015-515-615-715-815-915-1016-616-716-816-916-1017-717-817-917-1018-818-918-1019-919-1020-1020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+216+113+510+214+413+312+010+315+216+311+1 14+215-2 17-514+2 10+918-6 13-113+4 17+117-3 16-215+1 14+519-4 15-511+7 17+115-2 18-412+2 17+214-3 19-715+4 16+117-4 12-014+3 13+518-6 13-313+6 10+219-1 11-010+7 14+413-0 15-418+1 13+316-5 17-216+2 12+012-2 19-619+0 10+311-1 16-314+5 15+215-3 14-112+3 16+314-4 19-811+1 14+219-2 14-414+2 10+915-4 18-513+4 17+117-3 12-115+1 14+513-1 19-712+7 11+214-2 15-310+6 15+412-0 11-018+1 14+218-7 16-519+0 16+111-1 13-213+5 17+016-3 17-414+4 12+619-9 13-320以内的不退位减12-2 14-1法练习17-4 19-218-5 12-114-0 13-114-2 19-518-2 12-017-6 13-219-7 16-415-3 18-412-1 14-313-0 16-315-3 13-219-9 14-417-5 18-516-4 11-114-2 15-4。