1、 苏教版三年级数学下册口算题 600 道 1. 26+9= 57-38= 1500 -700= 42×2= 770÷7= 660÷3= 960÷3= 180÷9= 65+15= 660÷6= 800×2= 2. 50÷5= 3×800 = 420÷7= 3×220 = 480÷4= 58+33= 420-20= 93÷3= 880÷4= 1200 -200 = 11×7= 80-46= 3. 0÷51= 0×85= 70÷7 = 5×900 =
2、 84÷4= 930÷3= 83-57= 29+68= 68-49= 80×7= 330÷3= 3×23= 4. 420÷2 = 63÷3 = 160÷4 = 800 + 700 = 690÷3 = 58-0= 2×440 = 48÷2= 480÷2 = 60×5 = 2×44 = 840÷4 = 5. 440÷4 = 32×3 = 48÷4 = 540÷9 = 90÷9= 13×3= 600×7= 120×3= 480÷2 = 39÷3= 560÷8 = 99
3、0÷3 = 6. 3×200 = 620÷2= 660÷2= 640÷8= 880÷4= 7500 -500 = 0÷91 = 12×4= 3×31 = 58+26= 120×4 = 0×97 = 7. 360÷9= 44×2= 960÷3= 32×2= 2×440 = 460÷2= 70+500 = 3×33= 280÷4= 9×400 = 3×330 = 690÷3= 8. 49+33= 707÷7= 23×3= 78-36= 11×4= 230×3= 46÷9≈ 10-5= 90
4、20= 17-8= 180-80= 350 ÷5= 9. 210 ÷7= 3×8= 80÷2= 40 ×10= 180 ÷3= 80×99≈ 280 ÷4= 90×100= 8÷ 1× 8= 20+90= 80+20= 130-2= 10. 310 ×3= 390÷3= 230×3= 11×4= 82-55 = 310×3= 720÷9= 4700 - 700 = 600÷3 = 48+28= 641÷8 ≈ 480÷8= 11. 7 ×50= 880÷8
5、= 879÷8≈ 9×500 = 80+17 = 54+28= 42×3= 1700 - 800 = 90÷3= 180÷3= 300÷5= 930÷3= 12. 800 ÷4= 60-15= 900÷3= 450÷9= 360÷6= 37+56= 32×3= 70×7= 1200 - 715 = 299÷6≈ 50×7= 0×37= 13. 53 -14 = 17+27= 840÷4= 2×14 = 140÷2 = 660÷6= 7×800 = 7×700 = 840÷2 = 430
6、×2 = 540÷9 = 31×3= 14. 13 ×3= 34+56= 96÷3= 2×330 = 50×6= 159÷4≈ 620÷2= 6×800 = 960÷3 = 1500 -903 = 1807 - 800 = 63÷3= 15. 26 +57 = 800÷8= 33+57= 600×3= 37+8= 480÷8= 630÷3= 62-33= 500 +500 = 33×2= 800÷2= 700÷8= 16. 0 ÷47= 560÷7= 440÷4= 93÷3= 24×2=
7、 0÷54= 23×3= 12×30 = 7×80 = 48×10= 40×40= 40×10 = 17. 89 ÷3= 562÷7≈ 241÷2≈ 30÷(3-1) = 24×2-3 = 0÷54= (23-3) ×3= 13×30 = 7×81 = 53×10= 60×70= 18. 23 ×30= 60×50= 70×80= 10×68= 40×50= 30×21 = 7×11 = 50×70 = 24×2= 30×70 = 10×74= 50×10 =
8、19. 70 ×11= 30×40= 24×20= 12×20 = 30×21= 20×70 = 28×1= 20×13 = 1×36 = 10×19 = 11×50= 30×30 = 20. 28 ×10= 20×50= 10×36= 30×33 = 21×40= 12×10= 31×2= 14×20 = 6×90 = 20×33= 90×20= 20×13 = 21. 31 ×20= 22×3= 60×90= 39×10 = 21×2= 44×20 = 12×4= 22×30 =
9、 22×4= 30×80 = 33×10= 50×90 = 22. 12 ×40= 220×3= 22×40= 90×40 = 200×3= 41×20 = 21×30= 10×46 = 3×700 = 33×30 = 20×41= 6×600 = 23. 24 ×20= 50×30 = 0×45 = 50×70 = 800×7= 723÷9 ≈ 10×89= 69×10 = 13×30= 23×30 = 4×90 = 60×60 = 24. 60 ×40= 90×30 = 21×40= 30×20
10、 = 40×90= 2×31= 33×20= 40×70 = 48+19= 70×6= 4×900 = 2×310 = 25. 20 +35 = 45+35= 32×20 = 70×60= 84×1= 900×6= 34×20= 33×30= 31×20= 702×6= 84×10= 9×800= 26. 70 ×30= 2×42 = 86-47 = 5×90 = 22×30= 6×500 = 8×70= 42×20 = 400 +300 = 5×900 = 10×33=
11、22×0= 27. 80 ×70= 201×4= 0÷20 = 6×60= 22×40= 44+20= 41×39 ≈ 43×20 = 46 + 37 = 420÷6= 300÷6 = 40×11 = 28. 360 ÷9= 10×34= 40×90= 90×60 = 490÷7= 20×34= 300×3= 80×4= 65×0= 330÷3= 250÷5= 680-80= 29. 21 ×40= 80×40= 10×37= 20×50= 2000 + 300 = 880÷2= 7
12、0×20= 400÷4= 0×66 = 50×30= 640÷8= 880÷4= 30. 400 +300 = 34+39= 360÷6= 99×10 = 12×20= 30×80= 41×20= 97×10= 700÷7= 33×30= 0÷59= 11×80 = 31. 200 ÷4= 31×20= 600 +90= 4700 -700 = 44 - 37 = 40×12= 84-47= 630÷7= 71 - 23 = 0÷43 = 31×30 = 21×30 = 32. 43 ×
13、2= 0×20 = 75+18= 23+48= 90×30= 30×12= 46+24 = 0÷73= 42×20= 100÷5= 10×50= 350÷5= 33. 52 -29 = 240×2= 52+39= 400÷8= 480÷8= 33×30= 50×5= 800×3= 60×50= 410×2= 41×20= 310×3= 34. 20 ×23= 440÷4= 30×32= 0×35= 10×35= 29+61= 410 ÷ 7≈ 30×30= 50×
14、90= 80×30= 20×14 = 90×50 = 35. 420 ÷6= 300÷6 = 240÷4= 69×10 = 22×40 = 33×20 = 900÷9= 810÷9= 630÷9= 30×23 = 330×3= 0×30= 36. 750 -50= 480÷8 = 5010 +2003 ≈ 77-48= 300÷5 = 300 +700 = 420÷2 = 820÷2= 70×11 = 4500 - 500 = 20×40 = 400÷4= 37. 11 ×4
15、0= 900×5= 67-49= 200÷4= 8000 - 1000 = 20×24= 57+29= 540÷6= 10×73= 10×58 = 0÷49 = 34×20= 38. 80 ×90= 30×70 = 120×4= 640÷8= 720÷9= 10×34 = 65×10 = 660÷3= 700×5= 41×20 = 7000 -3990 ≈ 30×30= 39. 10 ×47= 30×23= 660÷6= 5900 -5000 = 11×40= 70×40=
16、 10×36 = 6000 + 2000 = 80×80= 29+14= 80×50 = 200×4= 40. 36 +56= 88×10= 600÷6= 22×30= 400 +600 = 34+29 = 800÷8= 21×30 = 720÷8 = 33×30 = 32×20= 87×10 = 41. 500 +40 = 22×40= 440÷4= 33×20 = 320÷4= 83÷9≈ 77-29= 0÷93 = 640÷2= 30×50 = 75+18
17、= 600 +700 = 42. 40×70= 43+38= 90×50= 84-65 = 43-16= 10×80= 51×82≈ 500+40= 88×10= 700×5= 81×99≈ 40×70 = 43. 21×30= 660÷6= 65×10= 540÷6= 22×40= 80×80= 10×47= 30×70 = 0÷93= 600÷6= 10×36= 660÷3 = 44. 43 +38= 720÷8= 36+56= 23×30= 10×
18、73= 90×50= 800 ÷ = 6000 + = 8 2000 120×4= 640÷2= 52×94≈ 250 ÷5= 45. 63 ÷9= 280 ÷4= 50×50= 810 ÷9= 300 ×6= 25+41= 140 ÷7= 20 × 31= 90-65= 52×44≈ 74×54≈ 41×75 ≈ 46. 40 ×70= 131÷6≈ 900÷3= 57+29= 125÷2≈ 4×9÷6= 90÷9= 1600 ÷
19、2= 71-68= 600 ÷ 1= 1500 ÷3= 9× 300= 47. 45+45= 50× 90= 42×98≈ 5×5+52= 90+30= 90+40= 170-90= 110-30= 50+80= 110-80= 50+90= 400+300= 48. 45 ×28≈ 160-60= 160 ÷ 8= 150+40= 2100 ÷ 3= 50×80= 28 ÷7= 500 × 4= 24÷8= 12 ×20= 35 ÷5= 82÷9≈ 49. 42 ×42 ≈ 66×54≈ 66+26= 131 ÷ 6≈ 83÷9≈ 150-60= 700+600= 150 ÷2≈ 45×52 ≈ 70+80= 110-6= 65 ÷9≈ 50. 40-2= 70+90= 70+2= 140-7= 70+50= 421÷7≈ 52+35= 720 ÷8= 9× 799 ≈ 9×799= 80 ÷4= 140 ÷ 2=






