人教版三年级数学口算测试

第六周达标测试题(口算乘法)时间:90分钟满分:100分一．比一比、算一算。

(12分)20×4= 50×8= 23×3=20×40= 50×80= 23×3013×3= 12×5= 33×213×30= 12×50= 33×20=二、填空。

(每空1分，共15分)1.两位数乘两位数的积可能是( )位数，也可能是( )位数。

2.25×80的积末尾有( )个0。

3.口算30×50时，想:30×( )=( )，( )×10=( )。

4.50x ，要使积的末尾有2个0， 最小是( )；要使积的末尾有3个0， 最小是( )。

5.在O里填上“＞”、“＜”或＂＝＂。

18×30Ο180×3 60×20Ο30×50 16x50Ο15X60 25x80Ο250X4 52×20Ο25×30 34x9Ο35×9三、选择。

(把正确答案的序填在括号里)(8分)1.15×100，是要在15后面添上( )个0，得数是( )。

A.一B.两C.150D.15002.65×30表示( )。

A.30个65相加是多少B.比65多30的数是多少C.65是30的多少倍3.下列算式与34×20的计算结果不同的算式是( )。

A.340×2B.304×2C.17×404.小明家离学校有200米，要走4分钟。

用同样的速度，小明走18分钟，走了( )米。

A.900B.400C.160四、连线(9分)五、计算。

(21分)1.直接写出得数。

(12分)10×30= 20×20= 10×70=20×60 30×50= 200×40=30×80= 40×40= 50×20=12×20= 22×30= 300x80=2.列式计算。

《口算除法》能力测试一、口算下列各题．400÷2＝500÷5＝480÷4＝620÷2＝77÷7＝420÷2＝840÷4＝26÷2＝39÷3＝80÷2＝69÷3＝88÷2＝二、填空题．1．360除以3的商是（）位数．2．120÷4＝? 试想：（）个10÷4＝（）个10＝（）． 3．3 000÷6＝? 试想：3个（）÷6＝5个（）＝500．4．69÷3＝? 先把6个（）平均分成3份，每份是（）个（），再把9个（）平均分成3份，每份是（）个（），最后把两次分得的结果合起来，得商是（）．三、在□里填上合适的数．（54－24）×□＝120 40＋□×3＝100 （47＋19）÷□＝33 （18＋12）×□＝240 □×4÷6＝12 （47＋□）÷2＝32四、先写算式，再写得数．五、解决问题．1．1千克黄豆可以生3千克豆芽，生60千克豆芽，一共需要多少千克黄豆?2．从320里减去一个整十数，得到的差再除以这个整十数，商是7，这个整十数是多少?（提示：解答此题可以倒过来算．从“得到的差再除以这个整十数，商是7”说明“得到的差”就是这个整十数的7倍．而“得到的差”恰好是“从320里减去一个整十数”后得到的，说明320比“得到的差”还多一个“整十数”．可以考虑320相当于这个整十数的几倍?） 3．青蛙可以活6年，比目鱼比青蛙多活54年，比目鱼的寿命是青蛙的多少倍?4．在除法算式459÷9中，被除数增加多少，商就增加2?被除数减少54，商就减少多少?部分参考答案一、200 100 120 310 11 210 210 13 13 40 23 44二、1．3 2．12 3 30 3．1 000 100 4．10 2 10 1 1 3 23三、4 20 2 8 18 17四、39÷3＝13 180÷3＝60 630÷3＝210 360÷3＝120 960÷3＝320 150÷3＝50 300÷3＝100 240÷3＝80五、1．20千克 2．320÷（7＋1）＝40 3．10 4.9×2＝18，54÷9＝6。

数学三年级（下册）口算练习题400X7 = 80X9 = 400X8 = 440X8 = 80X6 = 300X5 = 600X7 = 6X300 = 90X7 = 80X6= 600X8 = 50X5 = 200X6 = 700X6 = 200X2 = 100X8 = 80X2 = 4X700 = 60X2 = 56X7~ 70X9 = 300X6 = 40X7 = 50X5 = 500X8 = 80X3 = 5X500 = 400X6 = 70X7 = 200X5 = 100X5 = 300X7 = 20X8 = 40X6= 500X6 = 45X9~ 20X3 = 36X9~ 500X7 =100X2 = 80X8 = 400X3 = 60X6= 60X3 = 40X7 = 70X3 = 300X5 = 200X3 = 90X7 = 800X5 = 36X9~ 200X4 = 400X5 = 54X8~ 50X5 = 40X2 = 300X6 = 60X9 = 50X5 = 600X6 = 6000X2 = 80X6 = 9X500 = 200X5 = 4X500 = 30X3 = 300X4 = 200X9 = 6X900 = 200X7 = 5X300 = 200X6 = 1000X7 = 400X5 = 300X8 = 100X5 = 80X9 = 4X600 = 700X6 = 3X500 = 3X400 =70-32 = 444-4 = 14+62 = 724-8 = 300X3 = 51-37 = 9X300 = 5X200 = 800X8 = 38 + 57 = 76-64 = 6X40 = 500X8 = 25+49 = 48-15 = 70-23 = 2X200 = 68-59 = 60X2 = 6X600 = 37 + 55 = 72-8 = 63-25 = 93 一8 =3X80= 200X3 = 800 X 5 =32 + 57 = 4X200 = 454-5 = 600X4 = 26 + 56 = 58 + 27 = 32 + 57 = 45 + 18 = 70-17 = 900X4 = 23X3 = 36-25 =38 + 57 = 57 + 34 = 24+39 =15 + 60 = 48-25 = 60X3 = 27 + 58 = 3X900 = 74一8 = 37 + 25 = 2X200 = 55 + 38 = 300X5 = 844-9 = 14+68 = 400X2 = 76-68 = 17 + 62 = 54+18 = 38*4 = 25 + 57 = 16 + 70 = 364-5 = 32 + 68 = 90X3 = 500X8 = 800X6 = 66 三7 = 764-8 = 94-48 = 35 + 18 = 30X2 = 23-16 = 824-9= 62 + 30 = 86-48 = 200X3 = 29 + 24 = 4X12 = 804-4= 304-3 = 1204-4 = 3004-6 = 2 604-6 = 804-8 = 004-5 = 704-7 =80004-4 = 7004-7 = 604-3 = 3004-5 = 300 — 3 = 404-5 = 4504-5 = 2000 + 5 = 60*2 = 400三5 = 40 三2 = 400 三8=5004-5 = 3004-5 = 1004-2 = 600^5 = 40*4 = 90 一3 =200F4= 804-2 = 800 一2 =3604-9 = 20004-2 = 800一5 =400^2 = 40004-2 = 300^4 = 504-5 = 40004-5 =904-9= 30004-4 =5604-8 = 1204-3 = 604-6 = 6304-9 = 4204-7 = 1804-2 = 1604-8 = 6404-8 = 1504-3 =3504-5 = 804-4 = 2404-6 = 8104-9 = 3604-4 = 404-2 = 350三7 = 540 三9 = 210 三3=150 — 3 = 1404-2 = 80*8 = 720F8 = 4004-8 = 30*3 = 240F8 = 50*5 = 2704-9 = 404-4= 604-3 = 250*5 = 320^8 = 804-2 = 1804-3 = 120 — 6 = 1604-2 = 304-3 = 204-2 = 50*5 = 5404-6 = 3004-5 = 604-2 = 1804-6 = 2104-7 = 2804-7 = 90*3 = 1204-4 = 3504-5 = 2504-5 =804-8 = 450*9 = 1204-2 = 320*4= 450*5 = 40*2 = 300三6 = 400 三5 = 280 三4=704-7 = 360*6 = 300 + 2 = 360*6 = 1804-3 = 200*4 = 270F6~ 294*6~ 295*5~495F9~ 462*6~ 528一8~870三6~ 775 宁5~ 846 宁6~636F2~ 7644-2^ 654*6~ 940F5~ 2664-7^ 936 = 2~ 732F3~ 784-6^ 784*8~ 924F3~ 932*4~ 828*3~714 三7~ 615 宁5~ 135 一5~306F9~ 207 宁9~ 455 宁5~ 508F2~ 872一2~ 938一7~ 486 = 6~ 270一6~ 572 一2~ 783 宁9~ 870 宁6~ 636 一2~ 720 — 9 = 2404-8 = 80*8 = 480F6 = 200*5 = 60 一6 = 904-9 = 1004-2 = 400^5 =4004-8 = 160*2 = 420 一6 =280^7 = 1804-6 = 240-F3 = 200 — 4 = 5604-8 = 270*9 = 5604-8 = 240*4 = 704-7 = 5404-6 = 4504-9 = 1204-4 = 1604-8 = 1004-5 = 2704-3 = 1504-3 = 1804-9 = 360一9=2504-5 = 3504-5 = 504-5 = 3504-7 = 804-4 = 8104-9 = 904-3 = 40*2 = 210*7 = 320三4 = 60 三2 = 300 三5=804-4= 160*4 = 450*5 = 210F3 = 2104-7 = 80*8 = 4204-6 = 4504-9 = 160*2 = 1804-9 = 3504-7 = 490*7 = 604-3 = 480 一6 = 1504-5 = 320 — 8 = 630 十7 = 3004-5 = 904-9= 250十5 = 604-6 = 2004-4 = 200^5 = 1804-2 = 1204-3 = 360一6 = 2404-6= 904-3 = 1204-6 = 540*6 =6404-8 = 2804-4 = 1504-3 = 2404-3 = 2804-7 = 160*8 = 3X15 = 28X2 = 4X13 = 23X4= 8X64 = 7X59 = 98X6= 19X2 = 13X6 = 7X68 = 15X6 = 7X36 = 19X3 = 78X4 = 58X5 = 4X24= 17X5 = 1X66 = 7X53 = 4X20 = 9X37 = 10X5 = 82X3 = 19X5 = 9X72 = 75X2 = 63X4 = 6X38 = 5X18 = 4X44 = 8X43 = 3X91 = 43X5 = 0X48 = 5X66 = 3X72 =5X99 = 5X62 = 86X9 = 8X40= 9X53 = 12X4= 15X6= 37X7 = 87X9 = 16X3 = 72X6 = 3X83 = 6X73 = 8X90 = 2X85 = 7X61 = 21X4 = 9X70 = 6X55 = 2X78 = 95X6 = 5X52 = 41X8 = 87X2 = 62X6= 26X3 = 60X5 = 6X25 = 4X11 = 54X7 = 11X7 = 43X0 = 3X81 = 93X7 = 9X96 = 14X4 = 4X70 = 74X6 = 9X88 = 93X3 = 32X8 = 4X54 =100X60 = 40X200 = 20X900 = 300X20 = 50X60 = 80X300 = 80X700 = 30X300 = 400X30 = 5X400 = 40X20 = 90X700 = 60X100 = 20X200 = 300X30 = 20X600 = 60X300 = 20X300 = 200X8 = 30X100 = 600X40 = 600X10 = 500X30 = 400X50 = 20X400 = 90X200 = 80X200 = 70X100 = 70X600 = 40X90 = 80X200 = 400X80 = 60X400 = 60X74 = 100X61 = 50X61 = 60X83 = 56X200 = 80X70 = 90X73 = 30X26 = 80X41 =49X90 = 54X200 = 30X66 = 30X11 = 17X80 = 40X97 = 40X88 = 56X90 = 90X57 = 67X60 = 80X60 = 70X31 = 300X45 = 70X46 = 80X52 = 21X300 = 21X70 = 30X77 = 58X60 = 14X600 = 58X80 = 63X40 = 79X20 = 61X80 = 80X83 = 56X70 = 500X18 = 82X90 = 23X40 = 45X70 = 700X11 = 37X50 = 8X50 = 50X53 = 32X70 = 83X40 = 400X22 = 200X29 = 30X35 = 90X38 = 50X36 = 13X90 =72X20 = 50X86 = 41X40 = 26X30 = 60X25 = 77X20 = 70X23 = 28X50 = 43X80 = 23X43~ 15X41~ 54X70~ 19X85~ 42X90~ 17X32~ 11X54^ 37X83~ 60X51~ 71X25~ 26X61~ 80X47~ 76X84= 41X99~ 21X22~ 11X6A 66X73~ 61X674 24X38~ 21X49~ 69X58~ 57X12~ 67X85~ 61X48~ 83X61~ 43X82~ 53X20^ 59X18~ 74X18~ 47X24~ 28X55~ 58X27~ 80X71~60X59~ 76X70~ 63X8~ 4004-8 = 2204-2 = 9X50 = 4804-4 120X2 = 12X5 = 280三4 = 580 三2 = 50 三6 = 4004-4= 8004-2 = 550 — 5 = 480*6 = 6X50 = 360 一6 = 3504-5 = 40X20 = 480 一8 = 70X7 = 9604-3 = 420 一7 = 7004-7 = 8104-9 = 12X20 = 360 — 3 = 7004-7 = 33-28 = 600^6 = 3X20 = 500-50 = 78+41 = 880 + 20 = 53+17 = 4504-9 = 884-9 = 2004-4 = 5X8+8= 174-5 = 300X7 =5X3+8= 6304-3 = 12X60 = 0X22 = 70-7 = 450X0 = 72 + 18 = 450 + 50 = 774-7 = 40X50 = 12X6 = 300 三6 = 20X50 = 64*16 = 490*7 = 704-2 = 102 + 20 = 65X10 = 6304-7 = 58 + 15 = 64*7 = 28 + 68 = 37-18 = 56-20 = 580 + 20 = 724-6 = 3X2+9= 3004-5 = 4604-2 = 5X7+4= 4004-8 = 450 一9 = 120X4 = 8X9+9= 324-8 = 7*2 = 634-8 = 6X90 = 3004-6 = 88 + 21 = 300-80 = 3004-3 =8004-4 =1604-4=404-6= 217毫米+ 25毫米1吨一400千克= 1千克一500克= 5000克一4千克= 2000 米 + 8000 米= 75分米一30分米= 50-38 =90-26 =120-80=300-30 =6X120 =480 + 70 =55*5 = 420-150 =7X8 =900+100 =36 一6 =2000 + 800 =63 宁7 =69+22 =560+40 =600-267 =1000-465 =324-5 =360 -90 = 294 -546 一7 = 23一5 = 294-3 = 45*6 = 384-6= 53*7 = 38 三9 =584-9 = 30X3 =8千米=()米20 + 75 = 3米=()厘米280+50= 4厘米=()毫米130-70= 7000千克=()吨7X5 = 40分米=()米724-9 = 2时=()分30 + 180=30厘米=( )分98-80 = 米5X8 =5千米=()米77 + 13 =534-9 = 604-8 =324-8 = 504-6=644-7 = 250 + 284 =940-372 = 500—249：—238 + 79 =58 + 23 = 700-537 = 210+450 = 26 + 524= r 6 6 270-80 = 21 一3 =13 + 3-7 =8 849 一7 = 100-40 = 47 78X800 = 174-5 = 仝9 9200+600 = 丄+h9-5+5=4 4404-6= 284-6 = 丄+J4 4734-9 = 1+1=307-49 =3 3654-7 = 4X6+3= 360X7 =65 + 8 = 25X4 = 999X0 = 800X7 = 83-9 = 50-23二95-48 = 28 + 6 = 260X4 = 28 三6= 50X9 = 63 三8 = 7X8+6 = 140 + 80 = 37+46 = 49X4~ 75-20 = 78 + 22 = 12 + 360 = 16X5 = 99+66 = 304-9 = 72*8 = 29+81 = 4204-7 = 208 X3~ 32+64 = 213X6~ 59X6~ 60+40 = 340X8 = 793 X6~ 30+66 = 654-8 = 82X7~ 28+68 = 309X8 = 260X4 = 18 + 71 = 800X5 = 608X5 = 40+56 =获取失败! 请刷M 文档投稿赚钱max,book11 xom79+81 = 800-235 = 620-470 = 706+94 = 540-160 = 320+480 = 900-187 = 170 + 350 = 50*7 =32 三6= 600X6 = 9X5+2= 274-5 = 1200X2 = 2X7+3= 554-6= 41X4~ 6X7+3= 444-7 = 29X6~ 5X6+5= 524-7 = 704X2~ 7X8+4= 37三6= 39X9~ 8X3+1= 454-6= 51X7~ 21X4 = 184-8 = 62X9~ 213X3 = 900X2 = 601X5 〜13X3 = 400X6 = 219X5~ 421X2 = 600X3 = 8X5+1= 43X2 =323X3 = 221X4 = 42X2 = 12X4= 23X3 = 232X3 = 25X3 = 120X8 = 40X5 = 36X2 = 165X6 = 840 + 70 = 24X3 = 23X5 = 21X5 = 12X7 = 62X3 = 210X5 = 224X3 = 29X7 = 450-80 = 27X3 = 15X3 = 300X8 = 15X6= 24X6 = 700X4 = 210X3 = 48X3 = 102X4 = 120X4 = 420X6 = 9X80 = 75X6= 250X7 = 123X3 = 42X7 = 205X7 = 39X7 = 23X9 = 50X4 = 79X5 =340X5 = 108X5 = 105X6 =25X4= 230X2 = 383+496" 809-394^ 218+502~ 982-491^ 413X6^ 296X3^ 804X5~ 195X7~ 180X6 = 105X6 = 908-379 =125X8 =500-392 =708X5 = 71一8 = 156X8= 80 + 70 =170 + 60 =160 + 50 = 65+ 23 = 490 +200= 40+120= 78 + 27 =588 + 430=60X80=870-800 =790-590800-350 =500-200 =960-60 =100-60 =900-683 =200-72 =40 + 50 =340 + 200 =100 + 80 =800-200 =350+400 = 370-150= 180 + 220 = 760-160 = 900-860= 835 + 75 = 200X6= 304-7 = 334-8 = 205X6= 2004X2 = 164-7 =99X2 = 700X9 = 274-6 = 99X3 = 524-6 = 384-9 =99X4 = 164-3 = 504-8 = 513+96 = 164-7 = 754-9 = 806X3 = 20*8 = 625X8 = 599+252 = 32*6 = 235 + 679~ 14X2 = 23*4 = 992 X3~ 30X6 = 3 31*5 = 504-318^ 500X8 = 84-3 = 306 X8~ 33X3 = 21*6 = 456+157~150X6= 23X3 = 705X9 = 324-5 = 55X4 = 689 X7~ 564-8 = 894-8 = 8324-6= 284-6 = 654-4 = 2764-3 = 269X4 = 764-2 = 3174-2 = 294+463 = 894-7 = 704-8 = 29 + 39 = 7804-4 = 7474-3 = 72 一9 = 67*4 = 474-3 = 240X5 = 37*6 = 7234-6 = 450-170 = 6544-4 = 8054-7 = 474-6 = 7084-9 = 68*3 = 374-4 = 4254-7 = 715*3 = 8364-5 = 2474-3 = 434-5= 437*6 = 96 — 9 = 4484-8 =9184-9 = 86 一5 = 644-8 = 6804-8 = 254-5 = 7204-9 = 964-4 = 93-25 = 25X4= 204-2 = 34+28 = 46+27 = 30004-3 = 67+33 = 27+54 = 40004-5 = 500X4 = 750+250 = 8404-2 = 92-16 = 80X7 = 964-3 = 52-18 = 300X5 = 2104-7 = 1200-700 = 4X40 = 3204-8 = 400-?8 = 85+25 = 50004-5 = 72一9 = 650-320 = 634-7 = 80-26 = 1400-500 = 86-39 = 53+69 = 73-29 = 400X8 = 43+36 = 300X5 =9000-500 = 64-26 = 34+56 =87-53 = 120+300 = 86-49 = 500X2 = 100-55 = 300X8 = 84+50 = 94-19 = 33-25 =62+48 = 600X6 = 54+28 = 72+19 = 700+900 = 67+23 = 700X4 = 74+28 = 600X4 = 660-90 = 72-48 = 824-9 =25+55 = 200X9 = 72-16 =40X7 = 47+35 = 52-28 = 4300-700 = 97-59 = 1200-800 = 86-24 = 2500*5 = 90-26 =45+37 = 64-16 = 250+50 = 60X5 = 56*7 = 500*5 =900-50二196-156 = 12004-5 = 73+69 = 240-80 = 24004-6 = 53+36 = 70X4= 814-6=25X4 = 55+90= 750-150 = 56+27 = 50X9 = 690+20 = 47+54 = 300 7200 — 9 = 120X4 =04-5 = 81004-9 = 200+60 = 750+150 = 800X5 = 4004-9 = 6X8+32 = 1104-3 = 3644-5 = 87-35 = 864-3 = 9384-2 = 56*8+4 = 154*8 = 3684-9 = 800-140 = 680*4 = 1344-4 = 500-250 = 3304-5 = 7884-9 = 30X7 = 4704-5 = 8854-2 =2034-8 = 18+53 = 38+69 = 184*8 = 29+32 = 83+62 = 37X50 = 14+56 = 12+98 = 27+46 = 72+76 = 17+84 =90+47 = 71+68 = 175+157 =18+15 = 39+79 = 645+239 =92+65 = 64+60 = 808+213 =70X5 = 2X90 = 70X4 = 50X9 = 8X80 = 7X80 = 10X8 = 60X3 = 4X80 = 7X30 = 50X4 = 90X4 = 2X0= 90X7 = 60X9 = 70X8 = 5X10 = 8X60 = 6X20 = 30X6 = 2X30 =9X70 = 5X24 =7X74= 4X89 = 5X60 = 9X71 = 49X7 = 79X3 = 11X2 = 8X47 =68X3 = 4X46 =82X4 = 9X65 = 4004-4 = 8X405 = 72X7 = 4204-3 = 945X6 = 56X6 = 8804-4= 520X3 = 6404-8 = 6504-5 = 7X21 = 840-?6 = 2704-3 = 88X5 = 5404-9 = 634-3 = 261X5 = 400*8 = 70*5 =2X523 = 900*9 = 22 — 2 = 5X460 = 4804-8 = 56*2 =6X20 = 3004-6 = 57*3 =904-5 = 914-7 = 75*3 = 784-3 = 384-2 = 724-2 = 334-3 = 30X10 = 394-6 = 4444-2 = 30X10 = 254-8 = 5764-6 = 40X20 = 664-9 = 390 一6 = 60X0 = 1804-3 = 69*7 = 10X30 = 200^8 = 1534-9 = 20X70 = 90X60 = 154 一8 = 80X50 = 60X55 = 36一9 = 30X70 = 31X60 = 1344-4 = 30X30 = 88X30 = 1844-8 = 40X60 = 60X100 = 70X40 = 60X50 = 50X86 = 70X80 = 50X50 = 90X60 =600X50= 60X200 = 30X26 = 100X30= 30X400 = 30X62 = 900X10= 90X500 = 88X40 = 400X60= 40X40 = 60X45 = 100X10 = 82X90 = 70X65 = 40X100 = 92X60 = 10X88 = 600X60 = 18X80 = 20X55 = 700X40 = 30X81 = 93X10 = 40X600 = 96X80 = 80X60 = 100X40 = 13X10 = 44X55 = 800X10 = 10X20 = 20X14 = 600X50 = 400X60 = 600X60 = 100X30 = 100X10 = 700X40 = 900X10 = 40X100 = 40X600 =100X40= 18X80 = 88X30 = 800X10= 30X81 = 60X45 = 60X200= 96X80 = 70X65 = 60X100= 50X86 = 18X88 = 30X400 = 13X10 = 44X55 = 90X500 = 10X20 = 22X14 = 40X40 = 30X26 = 41X60 = 82X90 = 30X62 = 60X55 = 92X60 = 88X40 = 31X60 = 6304-9 = 800-190 = 72 — 8 = 82-54 = 74+680 = 80-25 = 400-35 = 640一8 = 7204-9 = 6X50 = 54-30 = 354-7 = 56 + 38 = 70X6二81-48 =9X80 = 42 + 70 = 3004-6 = 65 + 55 = 60X9 = 3304-6 = 64+60 = 5X90 = 3604-6 =4X4= 5404-9 = 70X54 =3 + 56 = 829X0 = 60X32 = 64一8 = 60—22 = 25X24 = 1、用的面积单位有( )、(）、（),常用的测量土地的单位有(）、（)o2、8平方米=( )公顷=( )平方米3、20000平方米=( )公顷4、3平方千米=( )公顷=( )平方米13、小海是1994年6月1日出生的，到2004年6月1日，他是（）周岁。

三年级人教版数学口算题卡一、加法口算题（1 - 10题）1. 23+15 =- 解析：先计算个位上的数字相加，3 + 5=8，再计算十位上的数字相加，2+1 = 3，所以结果是38。

2. 32+26 =- 解析：个位上2+6 = 8，十位上3+2=5，结果为58。

3. 14+33 =- 解析：个位4 + 3=7，十位1+3 = 4，答案是47。

4. 41+27 =- 解析：个位1+7 = 8，十位4+2 = 6，得出68。

5. 53+32 =- 解析：个位3+2 = 5，十位5+3 = 8，结果为85。

6. 25+44 =- 解析：先算个位5+4 = 9，再算十位2+4 = 6，所以是69。

7. 36+23 =- 解析：个位6+3 = 9，十位3+2 = 5，答案是59。

8. 18+31 =- 解析：个位8+1 = 9，十位1+3 = 4，结果为49。

9. 45+24 =- 解析：个位5+4 = 9，十位4+2 = 6，得出69。

10. 52+36 =- 解析：个位2+6 = 8，十位5+3 = 8，结果为88。

二、减法口算题（11 - 20题）11. 56 - 23=- 解析：个位6 - 3 = 3，十位5 - 2 = 3，所以结果是33。

12. 78 - 34=- 解析：个位8 - 4 = 4，十位7 - 3 = 4，答案是44。

13. 65 - 22=- 解析：个位5 - 2 = 3，十位6 - 2 = 4，结果为43。

14. 87 - 45=- 解析：个位7 - 5 = 2，十位8 - 4 = 4，得出42。

15. 96 - 33=- 解析：个位6 - 3 = 3，十位9 - 3 = 6，结果为63。

16. 48 - 16=- 解析：个位8 - 6 = 2，十位4 - 1 = 3，所以是32。

17. 57 - 25=- 解析：个位7 - 5 = 2，十位5 - 2 = 3，答案是32。

18. 73 - 31=- 解析：个位3 - 1 = 2，十位7 - 3 = 4，结果为42。

(人教版)小学数学三年级下册口算练习题57×3×0= 22×22= 20×5= 5×8-8= 92×7= 960÷4÷2= 513×9= 72-72÷6= 8×9-7= 300×30= 110×35= 8+2×10= 8×122= 91×31= 5×5+4= 27×8= 6×7+6= 15×61= 5×80= 27+15= 8+2×10= 50-24÷4= 19×39= 1+12+123+1234+12345=51-4×6÷3=480÷3=72-72÷6= 265+85= 480÷3= 0×245= 4500÷9= 27×90= 24+15+6= 900÷3= 0+245= 880÷8= 130×4= 27×90= 75÷5= 15×61= 90-30÷3= 700÷5= 36×8= 87÷3= 800÷8= 8×2×7= 20÷2= 63÷3= 72-47= 12×4= 12×3÷3= 810÷3= 12×3÷3= 860÷4= 92×7= 270÷30= 500-412÷4=20×5=40×9=300÷2÷5=62×15=810÷3= 88+112= 30×80= 45+55÷5= 3000-6×408= 605÷5= 50×6+0= 1+2+3+4+5+6+7+8+9+10= 178÷2= 51×17= 57×3×0= 15÷3= 86-86÷2= 33÷3= 12×4= 88+112= 4500÷9= 27×5= 16×4= 20÷2= 800-800÷4= 86-86÷2= 50×50= 86-86÷2= 510÷3= 500-412÷4= 0+245= 30×80= 130×4= 15÷3=86×7=40×20=306÷3=86×7=45+55÷5= 872-124= 880÷8= 702-199= 300×30= 200÷5 =120÷6 = 2400÷6= 100÷5= 3×200= 350÷7= 500÷5=100×6 = 2000÷2= 1200÷4=700÷7= 2000÷5= 160÷4= 120÷3=1500÷3= 800÷8= 630÷9= 400÷4= 4900÷7= 540÷6= 40x( )=240 8x( )=32 6x( )=420090x( )=490 6x( )=3600 2x( )=140030x( )=2700 8x( )=6400 7x( )=56003、买一个要5元，李老师带150元一共能买几个？4、买五件上衣要300元，平均一件共要多少元？5、玩具厂计划生产600个零件，如果每天做6个，要几天才能完成任务？6、商店运进240箱苹果，每次运8箱，要几次才能完成？7、用竖式计算68÷6= 925+75= 325-228=17÷3= 74÷9= 56÷7=8、口算下面各题24+8= 36-14= 40+86= 80-56=24-8= 36+14 100-45= 72÷9×8=48÷6+2= 46÷5= 650+80= 72÷9=9、填一填（1）1米=（）分米 1厘米=（）毫米 1千米=（）米1吨=（）千克１千克＝（）克１米＝（）厘米（2）1米－3分米＝（）分米，4厘米＝（）毫米，8千米＝（）米6000米＋4000米＝（）千米，1吨－800千克＝（）千克，7000千克＝（）吨，10、估算82÷9≈241÷4≈235÷4≈ 162÷2≈330÷8≈121÷6≈159÷8≈260÷4≈194÷6≈297÷5≈425÷7≈138÷7≈267÷9≈440÷9≈410÷7≈360÷5≈178÷6≈181÷3≈460÷9≈435÷7≈11、三年级的同学去野外活动。

人教版数学三年级下册口算100题及答案口算100题1. 用下面的算式计算：3 + 4 = 7-1=2. 用心算完成下面的算式：9 + 6 = 15-4=3. 20 + 15 = 60-25 =4. 45 - 20 = 60-30 =5. 17 + 13 = 30-9 =6. 25 - 15 = 40-20 =7. 12 + 11 = 30-16 =8. 18 - 8 = 30-12 =9. 28 + 27 = 60-37 =10. 35 - 18 = 50-23 =11. 30 + 31 = 70-39 =12. 42 - 16 = 60-27 =13. 23 + 22 = 50-15 =14. 27 - 15 = 40-18 =15. 16 + 15 = 30-9 =16. 17 - 8 = 26-17 =17. 15 + 18 = 40-13 =18. 28 - 15 = 45-19 =19. 25 + 23 = 60-37 =20. 22 - 14 = 36-19 =21. 在数轴上标出下面的数： 10， -5， 3， -222. 用方框把对应的数连接起来：7， -5， 2， -323. 根据数轴上的数填空：5的左边是___， 2的右边是___， -1的左边是___24. 将下面的数按从小到大的顺序排列：-6， -3， 2， 525. 11 - 9 = 15 - ___ = 12 - ___ = 7 - ___26. 17 - 7 = 21 - ___ = 16 - ___ = 10 - ___27. 14 - 6 = 18 - ___ = 13 - ___ = 8 - ___28. 20 - 9 = 22 - ___ = 19 - ___ = 13 - ___29. 9 + 4 = 13 - ___ = 20 - ___ = 14 + ___30. 6 + 11 = 17 - ___ = 15 - ___ = ___ + 1131. 集合A中有5个元素，集合B中有3个元素，求A和B合起来有几个元素？32. 集合A中有7个元素，集合B中有5个元素，求A和B合起来有几个元素？33. 集合A中有8个元素，集合B中有6个元素，求A和B合起来有几个元素？34. 集合A中有4个元素，集合B中有2个元素，求A和B合起来有几个元素？35. 集合A中有10个元素，集合B中有7个元素，求A和B合起来有几个元素？36. 集合A中有9个元素，集合B中有4个元素，求A和B合起来有几个元素？37. 集合A中有3个元素，集合B中有1个元素，求A和B合起来有几个元素？38. 集合A中有6个元素，集合B中有3个元素，求A和B合起来有几个元素？39. 集合A中有2个元素，集合B中有5个元素，求A和B合起来有几个元素？40. 集合A中有4个元素，集合B中有8个元素，求A和B合起来有几个元素？(答案请参考以下部分)答案：1. 3 + 4 = 7, 7-1 = 62. 9 + 6 = 15, 15-4 = 113. 20 + 15 = 35, 60-25 = 354. 45 - 20 = 25, 60-30 = 305. 17 + 13 = 30, 30-9 = 216. 25 - 15 = 10, 40-20 = 207. 12 + 11 = 23, 30-16 = 148. 18 - 8 = 10, 30-12 = 189. 28 + 27 = 55, 60-37 = 2310. 35 - 18 = 17, 50-23 = 2711. 30 + 31 = 61, 70-39 = 3112. 42 - 16 = 26, 60-27 = 3313. 23 + 22 = 45, 50-15 = 3514. 27 - 15 = 12, 40-18 = 2215. 16 + 15 = 31, 30-9 = 2116. 17 - 8 = 9, 26-17 = 917. 15 + 18 = 33, 40-13 = 2718. 28 - 15 = 13, 45-19 = 2619. 25 + 23 = 48, 60-37 = 2320. 22 - 14 = 8, 36-19 = 1721. 请自行绘制数轴并标出数值。

人教版三年级数学下册口算专项训练1.直接写出得数。

420÷6= 9×500= 0×120= 60÷5=26×2= 78÷6= 800÷4= 3×21=60÷5= 5×16= 500×8= 720÷8=2.直接写出得数。

630÷30= 800÷80= 350÷50= 60×20=75÷5= 91÷7= 4×17= 720÷90=40×30= 480÷60= 240÷30= 0÷30=3.直接写得数。

200÷4= 63×3= 420÷7= 400÷2= 210×4=3 8+28=1−15=47+37=98×9≈216×4≈4.直接写得数。

300×70= 480÷40= 15×40= 72÷8×9=0÷56= 120×30= 96÷6= 17×5÷17×5=5.直接写出得数。

4×70= 64÷2= 2×43= 9×11= 460-40= 0÷4= 84÷6= 25×4= 560÷7= 50×8= 45+17= 320÷8=3×19= 0+27 59+ 29= 57- 27= 25+ 35= 78−28=6.直接写得数。

56+28= 75-43= 70-24= 320+470= 900×9= 23×3= 0×123=4 5- 15= 1- 23= 36+ 26=4×60= 0×399= 40×50= 100÷4=500÷25= 360÷36= 120÷40= 750÷25=8.直接写得数。

人教版小学数学三年级口算及竖式计算试题［全套］一、口算298+187= 6×9= 178+27= 35?5= 402-78=90+150= 6×8= 236-118= 88?9= 910-79= 38?7= 129+158= 35?7= 56+125= 78?9=291-47= 445-27= 9×9= 721-185= 820-128=二、用竖式计算下面各题。

145-117= 391+416= 792-234= 557-401=910-284= 662-523= 389+482= 430+457=435+481= 33?6=第 1 页一、口算165+187= 7×9= 348+510= 53?7= 270-190=678+113= 8×8= 400-330= 84?9= 231-170= 38?7=256+120= 36?6= 167+275= 77?9=700-540= 200-168= 5×9= 340-171= 373-256=二、用竖式计算下面各题。

459+86= 473+577= 432-147= 615-449=725-449= 791-652= 139+312= 459+569=387+833= 43?7=第 2 页一、口算71-43= 65-5×8= 620-57= 37?6= 473+425=630，300, 72?9+6= 770-160= 6×7= 40?8= 19? 8= 720-70= 33-17= 28?7= 42?(6+1)=72?8= 100-87= 1000-369= 71-24= 35?( )=7 二、用竖式计算下面各题。

665+1000= 729+808= 306+812= 28+911=921+231= 302+355= 195+676= 968+825=800-528= 178+380=第 3 页一、口算36?6×7= 600+270= 620+150= 7×7= 56?9= 4+5×3= 54?9, 58-36= 6×6= 770+630=49?7+500, 21?6= 59+32= 750-458= 32?4,2×8?4= 460-72= 13?6= 680-120= 72,8×9 = 二、用竖式计算下面各题。