四年级数学下册小数加减法练习题精选40.docx
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四年级数学下册小数加减法练习题精选40
一、口算。
8.5-0.9=8.6+1.4=68.8-7=0.52-0.44=
6.9-0.8=5-2.4=7.8+2.1=0.75+0.12=
7.7-0.7=8.7+9.9=65.9+8=0.78+0.35=
1.4-0.7=7.8-0.8=6.6-3=0.53-0.22=
2.3-0.9=9.9+7.5=72.2+3=0.51+0.41=
二、笔算。
5.96+0.35=60.01+2.56=7.2-4.52=87.2-23.2=
8.7+1.28=63.61+6.12=1.91-0.7=51.78+8.31=
2.05+0.49=19.28+5.86=7.29-1.2=80.3+12.6=
7.77+3.47=85.39+4.62=9.61-0.94=72.14+3.69=
一、口算。
4+0.4=7.3+8.6=27.7-1=0.69+0.24=
2.2-0.8=6.8+3.5=8.8-2.6=0.71+0.45=
5.8-0.2=8.7+0.4=62.1+3=0.78+0.13=
6-0.7=9.6-2=9+1.1=0.85+0.01=
1.4+0.8=5.1+3.3=76.6-4=0.65+0.19=
二、笔算。
4.22+0.11=98.65+3.66=9.58-6.17=55.8+19.5=
8.18-5.44=75.42+1.27=6.14+0.42=57.97+7.57=
9.15+0.14=46.07+6.58=9.29-3.47=87.9+20.9=
8.69+2.34=67.36+7.16=8.98-0.08=56.81+4.23=
一、口算。
3.4+0.7=6.7+8.8=55.2+8=0.79-0.2=
7.4+0.1=7.9-4.5=8-1.9=0.95+0.4=
2.3-0.4=8.5+2.2=46.6-5=0.86-0.4=
3.9-0.8=8.9+3.8=8.7-4.1=0.57-0.3=
1.7-0.3=1+2.5=49.6+2=0.83-0.06=
二、笔算。
1.3+0.48=21.7-8.23=7.24-6.91=58.3-45.5=
9.47-1.74=22.13-3.19=7.95+0.09=32.35+2.32=
3.39+0.99=55.37+7.98=9.26+3.8=61.6+29.9=
9.99-4.27=31.45+1.92=2.08+0.53=82.98+4.67=
一、口算。
8+0.8=5.8+4.7=49.7-9=0.73-0.47=
8.9-0.8=7.6-2.6=6.9-1.7=0.56+0.13=
6.7-0.5=4.1+3.6=94.1-4=0.85-0.14=
2.6-0.7=5.8+1.7=6.2-5.1=0.68-0.28=
2.5-0.4=0.8+4.6=78.5+8=0.95+0.2=
二、笔算。
7.63+0.98=71.41+8.01=8.29-3.43=69.3+18.1=
9.24-5.75=24.48-6.57=7.84-0.97=38.52-8.16=
2.23+0.47=34.03-6.77=8.23-4.06=54.8-36.2=
8.05-4.69=20.35+8.72=8.14+0.86=86.93+8.84=
一、口算。
8.6-0.2=6.2+3.3=76.5-9=0.96+0.39=
7.4-0.5=7.8+0.5=9.9+5.6=0.56-0.39=
2.9+0.1=7.9+3=95.4-2=0.53-0.35=
6.4-0.3=7.8-0.2=9-3.1=0.84+0.33=
8.1-0.7=7.1+1.6=83.6-7=0.89+0.29=
二、笔算。
8.25-0.37=77.26+5.62=8.38-5.95=55.7+18.9=
9.12+3.62=69.49-7.63=7.89+0.68=57.71+4.17=
7.99+0.77=52.21+8.04=9.57+6.45=66.5+29.8=
9.91-5.34=56.67+4.99=8.42-0.61=23.87+8.26=
一、口算。
5.4-0.3=0.9+2.2=87.2-5=0.78-0.01=
1.2-0.3=5.5-1.2=9.9-1.8=0.71-0.07=
2.7+0.1=7.5+4=65.7-5=0.65+0.3=
1.1+0.8=5.6-4=7.9-1.1=0.62+0.31=
5.8+0.5=1.4+8.8=55.8-5=0.99-0.18=
二、笔算。
6.2+0.23=63.53-6.86=8.69+2.41=58.3+37.5=
9.68+3.76=16.68-5.18=1-0.35=48.01-2.68=
5.83-0.22=62.14-4.84=7.59+4.11=91.4-25=
9.83-2.83=26.15-5.52=8.55-0.77=71.18-1.24=
一、口算。
3.4-0.5=3.8+2=92.2-8=0.87-0.45=
6.9+0.3=7.7+4.4=9.9-0.1=0.85+0.41=
2.4-0.6=1.5+1=87.5+6=0.66+0.45=
5.6+0.6=7.4-1.8=6.3+5.9=0.98+0.22=
1.4+0.1=8.9+1.6=67.2+4=0.56-0.26=
二、笔算。
8.65-0.64=78.33+8.6=9.69+2.02=70.5-3.2=
7.28-3.01=25.61+9.73=7.64+0.7=22.7-9.49=
1.38-0.06=79.37-7.15=8.98-1.19=69.8+47.8=
9.15+6.61=31.3-1.93=1.09+0.24=66.36-8.31=
一、口算。
6.3-0.6=7.2+1.2=59.8+8=0.72+0.05=
1+0.8=6.5+4.6=8.8-0.2=0.95+0.45=
7.6+0.8=5.1+7.4=24.1-8=0.62+0.26=
1.9-0.6=9.5+3.1=6.8-5.2=0.91-0.44=
1.1-0.5=3.8+0.1=68.7+6=0.79+0.16=
二、笔算。
2.95-0.94=47.93+2.8=8.51+4.76=67+26.5=
7.89+5.27=70.78+6.59=5.25-0.32=90.04-4.97=
5.25+0.39=94.04-3.01=7.18-5.1=86.6+18.7=
7.58-4.72=69.09-3.44=7.53-0.12=12.7-8.41=
一、口算。
2.3-0.1=1.7+7.5=73.1-5=0.58-0.28=
8.9+0.4=8.1-3.7=7.8-3.4=0.68+0.25=
7.5+0.8=0.8+1.1=51.3-3=0.86+0.42=
2.3-0.6=5.6+4.8=9.5-5.1=0.98-0.14=
6-0.4=9.6+0.5=83.8+6=0.95-0.09=
二、笔算。
8.68+0.33=14.41-2.61=7.01+2.84=50.9-33.9=
7.57+5.84=73.52+2.98=2.81-0.38=56.6-6.92=
2.76+0.49=69.1+6.57=9.4+4.56=86.5-45.1=
7.77+1.01=30.26-7.87=6.06+0.79=17.54-4.72=
一、口算。
2.2-0.3=5.2+8.9=84.1+7=0.53-0.46=
3.7+0.9=9.3+3.9=8.9+2.1=0.9-0.04=
7.1-0.5=4.1+5.3=45.1-9=0.87-0.27=
7.6+0.5=8.9+2=8.3+4.4=0.54-0.05=
7.5-0.2=6.7+5.7=13.5-9=0.82-0.4=
二、笔算。
3.54+0.35=91.51-4.25=7.54+4.97=53.7+29.9=
7.82+2.08=82.25-2.67=6.67+0.37=58.19+6.24=
5.93-0.77=44.94-3.48=7.76+2.33=91.3+33.1=
7.63-2.96=24.9-1.42=7.74-0.31=65.56-3.29=
一、口算。
8.2+0.1=8.6+5.7=68.6+5=0.81+0.14=
5.6+0.4=7.3-3.4=6.5-3.7=0.7-0.12=
5.1-0.8=7.8+8.1=26.3+4=0.63-0.17=
5.5+0.3=7.1-2=9.5+3.8=0.86-0.05=
7.7+0.8=1.8+1.4=29.4+7=0.5-0.06=
二、笔算。
3.61-0.67=25.15+5.52=8.45+4.99=94.7-33.5=
7.42+6.81=32.16+8.13=5.96+0.14=76.79+2.53=
5.36-0.62=46.8-6.39=8.93-2.81=50.4-27.1=
9.47+6.88=38.82+5.73=5.09+0.79=19.01+1.46=
一、口算。
3.3+0.4=8.3+4.8=60.3-4=0.69-0.19=
3.2+0.2=9.7+2.8=7.5+3.2=0.87-0.33=
6.2-0.9=3.6+3.5=44.9+2=0.5-0.28=
8.5-0.6=8.5+0.1=6.9-5.4=0.51-0.39=
1.8+0.4=7+5.7=66.3-7=0.62+0.04=
二、笔算。
2.53-0.41=72.93+9.17=9.27+5.54=97+4.3=
9.61-2.4=54.34+4.33=4.53+0.65=65.35-7.26=
9.55-0.36=67.34-5.03=8.37-5.71=58.1-24.2=
9.36+2.43=23.55-3.08=7.27-0.61=72.07+7.27=
一、口算。
6.5-0.3=1.2+1.7=23.8+8=0.74-0.12=
2.6-0.8=9+3.9=9-4.5=0.6-0.26=
5.9-0.6=2.6+0.7=23.1-7=0.67+0.1=
8.5-0.1=5.5-0.3=9.1+0.3=0.61+0.3=
6-0.7=2.1+6.2=51.6-9=0.96-0.41=
二、笔算。
8.48-0.96=10.81+7.98=9.73+6.75=69.8-34.1=
7.72+6.19=84.86-4.71=9.37+0.87=89.16-4.11=
1.11-0.34=43.67+9.87=7.88-3.64=76.6-35.7=
8.15-5.06=73.43-9.07=9.12+0.17=52.8-3.25=
一、口算。
1.3-0.7=8.2+4.5=75.8-5=0.99+0.45=
6.3-0.7=9.9-0.8=9.7-4.7=0.74+0.47=
1.7+0.1=2.2+3.4=18.5+7=0.7-0.28=
8.8+0.1=7.3+1.1=8.6+0.8=0.52-0.11=
5.8+0.9=8.4+1.7=10.5-2=0.58+0.01=
二、笔算。
1.84+0.51=85.51-8.61=9.05-4.95=82.7-35.1=
7.01-1.81=17.08-8.57=9.39+0.23=25.85-2.94=
7.17-0.06=36.15+2.39=8.08+4.09=90.7+44.4=
8.55+2.46=53.73-4.36=9.94-0.04=37.09-3.48=
一、口算。
4.3+0.7=1.4+9.7=32.4+7=0.73+0.17=
1+0.7=6.9+2.7=9.7-5.2=0.92-0.01=
2.6-0.6=8.2+4.1=66.4-5=0.71+0.12=
6.8-0.1=6.7+4.6=6.1+1.7=0.56+0.39=
3.4+0.6=7.6+8.9=93.6+4=0.8+0.29=
二、笔算。
3.8-0.95=54.93+3.62=9.06-4.24=80.8+35.9=
8.95+1.86=41.91+9.81=1.56-0.55=46.99-9.55=
5.42-0.86=32.01+7.77=9.68-3.66=72.2-40=
8.77+2.93=81.9-6.36=4.9-0.97=68.73+5.61=
一、口算。
2.8-0.5=7+5.8=86.9+7=0.55+0.24=
5+0.5=5.7+1.7=6-4=0.5-0.12=
3.3+0.4=4+4.8=83.5-1=0.96+0.08=
3.3-0.9=5.1+4.7=9.1-3.6=0.95-0.12=
7.9-0.2=2.2+8.3=31.3+8=0.53+0.33=
二、笔算。
4.93-0.04=11.25+2.07=7.77-3.78=80.7-46.7=
9.22+4.15=92.82-1.26=5.57+0.26=63.43-8.61=
8.5+0.04=31.94+7.8=8.57+5.96=97.3+19.8=
7.28-6.18=24.88+5.89=4.14+0.07=94.58+5=
一、口算。
7.7+0.1=7.7+9.2=95.5+8=0.89-0.33=
8.2+0.6=6.3+1=7.6+5.3=0.59+0.39=
1.4+0.9=8.2+2.5=99.8+3=0.54+0.16=
3.3-0.4=7+2.7=9.9+2.8=0.95-0.07=
2.7-0.4=6.9+3.2=54.3+6=0.68-0.08=
二、笔算。
7.28-0.38=69+2.34=8.26+2.88=75.9+23.5=
7.07-2.92=47.63+3.64=1.53+0.17=72.06-5.92=
6.09+0.15=94.82+3.91=8.01+6.21=61.8-5.2=
7.83+3.93=48.78+4.56=2.26-0.69=75.38+3.26=
一、口算。
5.5+0.4=1.4+6.4=20.1+2=0.88-0.29=
1.3-0.2=9.4-4.7=6.9-3.5=0.65-0.26=
1+0.6=7.3+6.5=76.7-8=0.76+0.03=
2.6+0.4=5.3-2.9=9.8-3.7=0.77-0.3=
2.8-0.3=5.9+8.2=58.8+9=0.57+0.12=
二、笔算。
1.59-0.96=15.07+8.06=7.39+5.6=56.5-27.6=
9.45+3.47=70.35+7.48=6.97+0.78=72.98-2.4=
3.46-0.29=90.55-4.69=7.05-1.88=93+3.1=
9.78+4.89=90.04-9.86=6.04-0.21=67.64+5.72=
一、口算。
6.8+0.7=2.8+7.7=31.6+4=0.86+0.23=
1+0.7=9-0.8=8.5+2.7=0.97+0.12=
6.6+0.2=1.5+7.2=43.7-1=0.96-0.37=
1.6+0.7=7.3-3.4=8+2.6=0.53-0.33=
5.4-0.5=7.4+7.6=32.2+3=0.91-0.31=
二、笔算。
9.74+0.61=73.76-7.66=7.89-1.71=73.3-30.8=
9.73+6.75=21.08-2.69=5.73-0.6=75.48+2.68=
6.49-0.59=89.03-9.28=7.46-4.39=50.4+4.7=
9.76-6.04=29.92+8.3=2.39-0.04=75.89-9.86=
一、口算。
6.2-0.9=7+9.3=69.7-2=0.69+0.25=
5.7+0.1=5.7-4.3=6.6-1.9=0.95-0.32=
2.9-0.3=1.2+3.3=36.8+1=0.99+0.44=
4.2-0.2=7.2+1.1=9.5+4.5=0.6+0.17=
2.6+0.3=9.9+9.8=56.1+3=0.92+0.4=
二、笔算。
8.69-0.5=93.16+1.42=9.87+4.57=50.2+39.9=
9.81+1.77=41.05+3.47=1.52-0.14=26.2+1.13=
8.82+0.06=68.04+1.57=8.1+1.51=87.9-48.2=
9.35-1.86=80.72+6.44=1.18+0