小学三年级上册数学口算题大全600道

口算，是数学学习的基石，尤其是在小学阶段，扎实的口算能力不仅能提高计算速度和准确性，更能为今后更复杂的数学学习打下坚实基础。为了帮助三年级的同学们更好地巩固上册所学的数学知识，我精心编排了这份口算题大全，希望能通过每日练习，让大家的口算技能“熟能生巧”。一、100以内加法口算（一）两位数加一位数（不进位）1.23+5=2.45+3=3.56+2=4.34+4=5.67+1=6.18+0=7.29+3=8.45+4=9.53+5=10.72+6=11.31+7=12.68+1=13.22+6=14.55+3=15.44+4=16.76+2=17.38+1=18.59+0=19.26+3=20.63+5=（二）两位数加一位数（进位）21.28+5=22.37+6=23.46+7=24.55+8=25.64+9=26.13+8=27.24+7=28.35+6=29.46+5=30.57+4=31.68+3=32.79+2=33.15+9=34.23+8=35.32+9=36.41+7=37.50+5=38.69+6=39.78+7=40.87+8=（三）两位数加两位数（不进位）41.23+45=42.34+52=43.45+33=44.56+21=45.67+12=46.18+71=47.29+60=48.31+48=49.52+37=50.63+25=51.74+15=52.22+66=53.33+55=54.44+44=55.55+33=56.16+72=57.27+51=58.38+40=59.49+30=60.61+28=（四）两位数加两位数（进位）61.25+38=62.36+47=63.47+56=64.58+25=65.69+14=66.17+75=67.28+66=68.39+57=69.43+39=70.54+28=71.65+17=72.76+16=73.29+43=74.35+35=75.46+27=76.52+39=77.63+28=78.71+19=79.34+48=80.45+36=二、100以内减法口算（一）两位数减一位数（不退位）81.56-3=82.78-5=83.69-2=84.87-4=85.95-1=86.43-0=87.54-3=88.65-4=89.76-5=90.83-2=91.92-1=92.47-6=93.58-7=94.69-8=95.72-1=96.84-3=97.96-5=98.35-4=99.46-3=100.57-2=（二）两位数减一位数（退位）101.32-5=102.43-6=103.54-7=104.65-8=105.76-9=106.21-3=107.30-4=108.41-5=109.52-6=110.63-7=111.74-8=112.85-9=113.17-8=114.26-9=115.35-7=116.44-6=117.53-5=118.62-4=119.71-3=120.80-2=（三）两位数减两位数（不退位）121.78-34=122.65-23=123.97-51=124.86-42=125.59-37=126.75-24=127.64-13=128.83-50=129.92-61=130.45-22=131.56-33=132.67-44=133.78-55=134.89-66=135.34-11=136.45-20=137.56-31=138.67-42=139.78-53=140.89-64=（四）两位数减两位数（退位）141.53-27=142.64-38=143.75-49=144.86-57=145.97-68=146.42-15=147.51-23=148.60-32=149.71-44=150.82-55=151.36-19=152.47-28=153.58-39=154.69-41=155.25-16=156.34-17=157.43-25=158.52-36=159.61-47=160.70-58=三、表内乘法口算(1-9的乘法口诀)（一）一位数乘一位数161.2×3=162.3×4=163.4×5=164.5×6=165.6×7=166.7×8=167.8×9=168.9×1=169.1×7=170.2×8=171.3×9=172.4×2=173.5×3=174.6×4=175.7×5=176.8×6=177.9×7=178.2×2=179.3×3=180.4×4=181.5×5=182.6×6=183.7×7=184.8×8=185.9×9=186.0×5=187.7×0=188.1×1=189.9×2=190.8×3=191.7×4=192.6×5=193.5×7=194.4×8=195.3×6=196.2×9=197.6×8=198.7×9=199.8×2=200.9×3=201.5×8=202.4×9=203.3×5=204.2×6=205.7×3=206.8×4=207.9×5=208.6×2=209.5×9=210.4×7=211.3×8=212.2×5=213.9×4=214.8×7=215.7×6=216.6×9=217.5×4=218.4×3=219.3×2=220.1×8=（二）两位数乘一位数（不进位）221.12×3=222.21×4=223.13×2=224.31×3=225.22×2=226.14×2=227.23×3=228.32×2=229.11×5=230.15×3=231.24×2=232.33×3=233.16×2=234.25×2=235.31×2=236.42×2=237.17×2=238.22×3=239.13×3=240.32×3=（三）两位数乘一位数（进位）241.12×5=242.13×4=243.14×3=244.15×4=245.23×4=246.25×3=247.34×2=248.16×5=249.17×3=250.18×2=251.22×4=252.23×5=253.32×4=254.35×2=255.41×3=256.19×5=257.26×3=258.33×4=259.42×3=260.24×5=四、表内除法口算(含有余数的除法)（一）没有余数的除法261.12÷3=262.18÷6=263.24÷4=264.30÷5=265.36÷6=266.42÷7=267.48÷8=268.54÷9=269.7÷1=270.16÷2=271.27÷3=272.32÷4=273.40÷5=274.49÷7=275.64÷8=276.81÷9=277.10÷2=278.15÷3=279.20÷4=280.25÷5=281.36÷4=282.45÷5=283.56÷7=284.63÷9=285.8÷2=286.9÷3=287.12÷4=288.14÷7=289.16÷8=290.18÷9=291.21÷3=292.28÷4=293.35÷5=294.42÷6=295.54÷6=296.63÷7=297.72÷8=298.80÷9=(注：此处应有余数，调整为81÷9=)298.81÷9=299.4÷4=300.6