小学三年级数学口算500道(一).doc

(1)254 = (2)30700 = (3)7330 = (4)14001400= (5)484= (6)33( )=100 (7)40( )=20 (8)3( )=3000 (9)606 = (10)2202= (11)8020= (12)524 = (13)3034= (14)8054 = (15)6819= (16)17979 = (17)729= (18)9817-36= (19)30153015= (20)841743= (21)10033= (22)2044= (23)1125= (24)68= (25)462 = (26)700500 = (27)3101 = (28)4 12 = (29)700900= (30)9 300= (31)1400800 = (32)363 = (33)1300600= (34)6 40 = (35)1200500 = (36)130 3= (37)3943 = (38)4926= (39)933 = (40)9034= (41)2210= (42)862 = (43)3736= (44)9043= (45)8008= (46)1200400= (47)12040= (48)33 2 = (49)2932 = (50)3926= (51)99-28= (52)74-27= (53)34+55= (54)44+47= (55)66-25= (56)66+27= (57)75+21= (58)34+55= (59)26+48= (60)64-28= (61)48+24= (62)70+24= (63)41+26= (64)23+45= (65)39+57= (66)29+31= (67)86-25= (68)76-35= (69)89-55= (70)80-28= (71)55+40= (72)85-25= (73)31+55= (74)35+29= (75)83-35= (76)46-25= (77)96-75= (78)79-40= (79)95-65= (80)87-37= (81)33+41= (82)31+44= (83)53+34= (84)53-20= (85)93-35= (86)76-24= (87)61-39= (88)60-20= (89)26+67= (90)96-22= (91)45-24= (92)98-49= (93)69-31= (94)75-33= (95)79-34= (96)29+62= (97)36+51= (98)89-30= (99)37+43= (100)83-55=(1)353 + 939 = (2)802 - 668 = (3)287 - 167 = (4)859 - 371 = (5)941 - 343 = (6)472 + 425 = (7)900 - 168 = (8)300+186 = (9)900 - 554 = (10)800 - 200 = (11)460 + 991 = (12)700 - 666 = (13)300 - 122 = (14)900 - 353 = (15)500 - 162 = (16)900 - 705 = (17)400 - 133 = (18)200 - 158 = (19)300 - 257 = (20)400 - 157 = (21)700 - 205 = (22)785 + 937 = (23)274 - 226 = (24)455 + 695 = (25)204 - 191 = (26)224 + 944 = (27)704 + 736 = (28)285 + 691 = (29)300 - 288 = (30)947 - 236 = (31)1200400= (32)12040= (33)166 - 120 = (34)727 + 517 = (35)33 2 = (36)332 - 246 = (37)2532 = (38)7326= (39)150 + 144 = (40)2 14= (41)1400800= (42)3203 = (43)17979 = (44)792 + 192 = (45)544 - 492 = (46)4 70 = (47)6535= (48)4120= (49)55-37= (50)3819= (1)611-31= (2)890-870= (3)516-191= (4)808-38= (5)967-702= (6)316-210= (7)483-465= (8)840-479= (9)914-775= (10)933-137= (11)912-894= (12)838-688= (13)27 + 46 = (14)810 - 125 = (15)92 + 65 = (16)90 + 47 = (17)18 + 15 = (18)18 + 53 = (19)29 + 32 = (20)398 - 148 = (21)256 + 775 = (22)449 - 312 = (23)202155 = (24)106 + 537 = (25)916 + 861 = (26)713 - 288 = (27)954 - 286 = (28)72 + 76 = (29)71 + 68 = (30)6460 = (31)716 - 117 = (32)766 + 792 = (33)7939 = (34)8417= (35)175 + 157 = (36)38 + 69 = (37)8362 = (38)12 + 98 = (39)808 + 213 = (40)704 - 124 = (41)607 + 914 = (42)645239= (43)648 - 585 = (44)352 + 708 = (45)970 + 602 = (46)860 - 162 = (47)343 + 801 = (48)806 + 487 =(49)691 + 400 = (50)56-14 = (1)1400800= (2)3203 = (3)2 14= (4)4 70 = (5)6535= (6)4120= (7)5537= (8)4 12 = (9)3819= (10)14001400= (11)254 = (12)68- 17= (13)7330 = (14)484= (15)422 = (16)4732= (17)804=(18)422 = (19)2557= (20)30700 = (21)60 3= (22)7228= (23)8434= (24)4 22 = (25)43 2 = (26)5537= (27)500 6= (28)4446= (29)602 = (30)6559= (31)5245 = (32)300 7 = (33)300-254= (34)666= (35)6624 = (36)5 800 (37)444 = (38)6535 = (39)7268 = (40)3 21 = (41)3819 = (42)7124 = (43)4 21 = (44)4 600 = (45)1100500= (46)8026= (47)822 = (48)5026= (49)1569= (50)7568= (1) 402= (2) 606= (3) 9009= (4) 28+56= (5) 146= (6) 700-300= (7) 51-23= (8) 217= (9) 637= (10) 28+56= ( 11) 6008= ( 12) 78-29= (13) 80+120= (14) 560= ( 15) 152= (17) 36-19= ( 19) 162= (21) 39+180= (22) 2004= ( 23) 393= ( 24) 20-14= (25) 165= ( 26) 402= ( 27) 217= ( 28) 402= (29) 402= ( 30) 41-25= ( 31) 54+46= ( 32) 660-600= (33)47+56= ( 34) 6008= ( 35) 27+36= ( 36) 26-16= (37) 30+56= ( 38) 25+17= ( 39) 603= ( 40) 8003= (41) 480-88= ( 42) 60006= (43) 1303= (44) 120-27= (45) 163= ( 46) 303= ( 47) 84+28= ( 48) 2004= (49) 72-24= ( 50) 68+54= (51) 404= ( 52) 203= (53) 58+69= ( 54) 18+27= ( 55) 35-26= ( 56) 323= (57) 72+18= ( 58) 51-26= ( 59)604= ( 60)700-300= (61)140= ( 62)1002= (63)93-28= ( 64)75+25= (65)156= ( 66)98-49= ( 67)125= ( 68)62+18= (69)174= ( 70)323= ( 71)2005= (72)402= (73)3004= ( 74)60+26= (75)1403= (76)28+54= (77)93-28= ( 78)37+46= ( 79)360-64= (80)134= (81)84+26= ( 82)606= ( 83)402= ( 84)602= (85)55+36= ( 86)60+100= (87)69+18= ( 88)43-25= (89)45+26= ( 90)203= ( 91)3004= (92)25+17= (93)46-28= (94)58+34= (95)25+67= (96)427= (97)45+34=(98)35-24=(99)102-33=(100) 684=(1)48+27= (2)81-27= (3)47-28= (4)57+38= (5)28+77= (6)66-27= (7)87-58= (8)90-53= (9)84-26= (10)71-28= (11)62-48= (12)78+44= (13)25+27= (14)24+58= (15)81-46= (16)81-32= (17)83-59= (18)100-33= (19)72-26= (20)91-63= (21)23+57= (22)95-46= (23)46+44= (24)74-57= (25)94-46= (26)47-28= (27)41-29= (28)73+19= (29)34+28= (30)51-23= (31)59+19= (32)95-58= (33)52-28= (34)34+28= (35)96-37= (36)65-39= (37)69+48= (38)85-58= (39)73-54= (40)28+96= (41)35+47= (42)47-28= (43)41-26= (44)57-49= (45)60-38= (46)40-21= (47)78-69= (48)43+38= (49)80-69= (50)53+38= (51)96-68= (52)53+58= (53)55-27 = (54)23-15= (55)32-26= (56)66+47= (57)54-25= (58)73+28= (59)37-19= (60)54-38= (61)61-43= (62)84+47= (63)25+36= (64)34+59= (65)81-46= (66)88-39= (67)83-39= (68)90-33= (69)72-27= (70)71-63= (71)23+58= (72)95-49= (73)46+47= (74)74-59= (75)64-46= (76)47+25= (77)41-28= (78)73+29= (79)94+27= (80)50-38= (81)50-19= (82)95-57= (83)72-29= (84)34+29= (85)96-48= (86)75-59= (87)69+38= (88)85-56= (89)70-42= (90)33+69=(91)75+48= (92)47-29= (93)41-22= (94)57-19= (95)60-38= (96)40-26= (97)71-65= (98)43+68= (99)80-69= (100)53+48= (1)( )-59=44 (2)95-( )=16 (3)( )+68=77 (4)( )+36=91 (5)( )-43=19 (6)35+( )=111(7)( )+37=81 (8)( )-67=22 (9)( )-20=38 (10)( )+44=93 (11)66-( )=29 (12)( )+13=72 (13)25+( )=94 (14)44+( )=62 (15)33+( )=92 (16)( )-18=26 (17)36+( )=112 (18)( )-48=69 (19)( )+28=96 (20)89-( )=25 (21)( )+45=102 (22)45+( )=89 (23)89-( )=29 (24)( )+32=123 (25)25+( )=104 (26)112-( )=56 (27)( )+58=83 (28)( )-56=38 (29)( )-43=29 (30)45+( )=98 (31)81-( )=28 (32)48+( )=61 (33)55( )=19 (34)44-( )=18 (35)( )+45=113(36)( )-46=58 (37)23+( )=81(38)46+( )=92(39)63-( )=16 (40) 66( )=38 (41)45+( )=88 (42)51-( )=75 (43)22-( )=8 (44)77-( )=48 (45)56+( )=72 (46)58+( )=121 (47)37+( )=126 (48)91-( )= 44 (49)57+( )=143 (50)( )-88=88 (1)( )946 (2)8( )68 (3)( )650 (4)5( )48(5)6( )57(6)( )547 (7)( )736 (8)( )434 (9)( )439 (10)9( )85(11)3( )14(12)( )329(13)4( )27 (14)8( )30 (15)( )529 (16)8( )21(17)8( )36 (18)( )542 (19)2( )11 (20)( )620 (21)( )532 (22)3( )14 (23)5( )48 (24)( )638 (25)( )746(26)( )623 (27)8( )73(28)9( )82(29)7( )64 (30)8( )49 (31)( )213(32)( )320 (33)7( )32 (34)( )830 (35)5( )12(36)4( )31 (37)( )325 (38)( )850 (39)2( )17 (40)6( )55(41)8( )53 (42)7( )66 (43)9( )53 (44)4( )38 (45)5( )23(46)( )964(47)( )322(48)( )629 (49)( )991 (50)( )874 (1)67+29= (2)79-39 = (3)43+89= (4)57-18= (5)89-37= (6)67+58= (7)38-16= (8)56-18= (9)89-43= (10)87+44= (11)94+75= (12)88-56= (13)2878= (14)58-24= (15)100128= (16)(2416)8= (17)60185= (18)1543= (19)82459= (20)126-24= (21)(8178)6=(22)4868=(23)8046= (24)86-459= (25)804200=(26)9444=(27)350570= (28)240(32)= (29)104-36= (30)547= (31)834= (32)360960= (33)4636= (34)6939= (35)5548= (36)9969=(37)13436=(38)(5546)9= (39)87-68= (40)20-34=(41)58-24=(42)44-45=(43)292-45=(44)89-34=(45)34+312=(46)153-45=(47)(12+2) 4=(48)(23-5) 3=(49)89-(34)=(50)129-34=(1)303=(2)25+70=(3)427=(4)549=(5)803=(6)05=(7)1303=(8)4004=(9)96-26=(10)19+21=(11)48-39=(12)0+120=(13)290-90=(14)7006=(15)2303=(16)2009=(17)54-30=(18)900+100=(19)89-29=(20)4005=(21)1012=(22)3033=(23)4042=(24)1103=(25)1054=(26)1005=(27)506=(28)6005=(29)320=(30)24+75=(31)45+1000=(32)357=(33)678=(34)729=(35)637=(36)328=(37)124=(38)12+4=(39)205=(40)740=(41)305=(42)2006=(43)5300=(44)0