四年级数学下册小数加减法练习题精选200.docx
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四年级数学下册小数加减法练习题精选200
一、口算。
3.9-0.4=1.3+8.5=28.7-7=0.62+0.08=
3.9-0.3=8.5+2.1=9-1.3=0.67-0.33=
2.3+0.4=9.7+6=11.3+7=0.91+0.02=
2.5-0.7=6.9+3=6.7-5.7=0.51+0.16=
8.5+0.5=7.8+5.7=26.5-8=0.67+0.35=
二、笔算。
2.44+0.47=16.86+8.19=9.48+5.35=81.7+23.9=
7.26+1.28=37.89+6.54=6.45+0.22=45.17-9.51=
4.38+0.67=77.51-4.48=9-1.18=94.7+49.4=
7.06+5.66=13.97-2.24=4.84-0.34=75.61+2.67=
一、口算。
8+0.6=1.6+9.9=25.4-3=0.72-0.2=
5.3-0.7=9.4+4.9=6.6-1.4=0.83+0.15=
1.3+0.7=0.6+2.4=24.4+2=0.71-0.01=
5.2-0.5=9.8+2.3=6.8-3.8=0.9+0.04=
5.2-0.9=3+5.2=25.6+1=0.9-0.49=
二、笔算。
5.45+0.67=91.14+3.77=9.01-4.34=99.4-1.1=
8.55-4.69=12.53-1.65=9.23+0.32=28.85+6.79=
7.04+0.2=58.99+4.85=9.57-4.67=83.4-46.9=
7.18+3.22=86.2+7.8=4.68-0.51=25.74-9.35=
一、口算。
7.1+0.3=5.3+8.4=12.7+9=0.67+0.38=
5.9+0.8=5.1-4.7=6.2-4.7=0.78+0.13=
2.8-0.7=1.1+0.6=42.8+9=0.5+0.45=
1.4-0.8=5.5-3.7=9-5.2=0.76+0.27=
2.1-0.9=1.1+0.8=27.4-7=0.85+0.49=
二、笔算。
9.75+0.91=53.21+3.68=7.66-4.8=83.4-38.8=
8.68+1.7=23.13-8.79=2.23-0.48=92.89+8.74=
9.27+0.2=50.46-1.69=7.4+1.93=50.6-5.9=
7.03-6.57=61.76-9.21=4.02+0.86=75.3-8.57=
一、口算。
2.6-0.3=2.2+7.2=84.7-8=0.75-0.14=
7.7+0.8=6-4.1=6.2-1.3=0.69-0.11=
4.3-0.8=4+7.6=24.9+5=0.98-0.24=
3.4+0.9=9-4.7=8.8+1.4=0.71+0.26=
5.3-0.5=3.8+2.9=85.7-2=0.57+0.31=
二、笔算。
7.66-0.29=15.81-1.17=7.09+5.13=78.9-1.6=
8.43+4.33=33.13+5.08=4.82+0.76=54.59+7.43=
9.63-0.24=96.08-6.77=8.83+6.68=97.1+27.9=
9.86+3.7=49.39-1.99=6.26+0.51=89.83-2.36=
一、口算。
2.8+0.5=3.8+9.8=99.7-6=0.96+0.1=
6.9+0.8=7.7-4.4=7.4+1.9=0.58+0.28=
3-0.5=6.3+4.8=33.8-5=0.53-0.19=
6.9+0.6=8.1+4.8=7.2+3.5=0.98+0.05=
5.8+0.5=0.6+6.9=24.6+8=0.89+0.4=
二、笔算。
5.72-0.96=73.18-2.79=7.86-5.48=62-18.6=
9.98-6.08=54.15+9.6=1.21+0.94=27.92+2.4=
8.38+0.76=53.98-7.26=7.79+4.99=56.3-11.8=
7.26+5.22=16.5-2.18=7.16-0.44=14.29+7.34=
一、口算。
1.1-0.5=8.1+6=39.4-9=0.77+0.26=
8.7+0.7=6.9+0.8=6.9-4.2=0.78+0.24=
6.5-0.5=6.8+1.1=58.7+9=0.85+0.47=
3.2+0.6=9.7+3.9=6.5-5.6=0.88-0.16=
1.4+0.2=1.2+5.5=72.9-6=0.5+0.36=
二、笔算。
6.17+0.99=19.28+5.22=8.84-4.39=96.3+40.3=
9.8+3.72=60.56-5.03=1-0.07=29.65-1.33=
4.76+0.9=12.31+5.45=8.38-1.04=98.5+5=
8.74-1.88=81.8-6.03=9.66-0.57=77.44-1.05=
一、口算。
8.5-0.2=2+0.2=27.6+1=0.58+0.29=
1.5-0.1=9.3+2.2=8.9+2.1=0.81-0.34=
4.2+0.5=4.8+5.9=61.6+4=0.92-0.35=
7.9+0.9=9-0.5=8.2-2.6=0.89-0.22=
5.6-0.4=1.4+3.3=71.2-7=0.91-0.28=
二、笔算。
9.39+0.16=14.17+5.64=9.07-6.32=89.4+39.3=
7.17-5.31=82.02-5.67=2.96+0.72=36.04+8.57=
6.22+0.97=60.42+7.4=7.61-1.41=82.4+4.2=
8.88-3.08=17.79-7.32=9.63+0.06=45.57-3.38=
一、口算。
8.5-0.3=7.4+4.9=84.9+2=0.84-0.02=
9-0.1=9-0.4=9-5=0.96+0.46=
3.6-0.7=7.4+6.3=55.1+8=0.81+0.27=
4.4+0.8=9.6+4.5=7.4+0.5=0.76+0.29=
4.7+0.6=7.4+3.1=67.1+1=0.76+0.49=
二、笔算。
5.4+0.87=33.74+6.68=7.28+1.6=51.6-43.1=
8.53-2.35=48.51-1.8=7.24-0.25=66.31-5.44=
7.64-0.49=15.14-9.92=9.05-4.58=70.9-33.5=
7.27-4.18=21.28+1.73=3.54-0.11=44.43-8.31=
一、口算。
3.9-0.5=9.3+4.7=77.2+2=0.74+0.18=
6.1+0.3=9.2-4.4=7.1+2=0.93+0.23=
4.4+0.3=3.6+1.8=52.4+6=0.5-0.28=
5+0.3=9.1-1.6=6.1+5.7=0.84+0.2=
4.4-0.5=9.2+6.1=77.1+2=0.52-0.19=
二、笔算。
1.12-0.76=83.78+4.63=9.17-2.32=63.4+3.3=
8.32-3.75=67.12-3.96=1.22-0.35=28.03+4.28=
1.47-0.4=79.1-6.2=7.82+3.07=60.3+30.4=
9.06+3.2=61.78-6.36=4.66-0.65=91.48-9.31=
一、口算。
3.3-0.6=7+3.1=54.3-7=0.52+0.12=
6.6+0.8=5+1.3=8.8+1.9=0.53+0.45=
1.2+0.9=7.1+6.2=99.5-1=0.85-0.4=
3.5-0.1=8.6+0.9=9.6-3.7=0.72+0.49=
8.2-0.1=9.5+5.4=40.3+9=0.62+0.47=
二、笔算。
6.03-0.77=17.45+7.98=8.95+4.86=54.2+23.9=
8.08-5.44=82+7.56=6.67+0.88=88.31+2.86=
2.75+0.87=12.28-1.49=8.6+1.09=54.2+18.9=
7.93-1.97=52.83-5.54=7.4-0.54=28.91-6.45=
一、口算。
5.2+0.5=7.9+4.1=67.3+4=0.84+0.04=
4.8+0.6=5-1.8=6.4-5.6=0.92-0.49=
5.2+0.2=7.4+6=63.3+9=0.68-0.43=
3.2+0.2=9.2+4.2=8+2.7=0.71+0.22=
7.2-0.2=1.9+8.1=24.1-3=0.59-0.34=
二、笔算。
3.71+0.4=45.44-4.8=9.6-5.67=90.4-14.7=
9.23+5.82=77.47+8.58=3.51+0.86=82.44+1.74=
2.98-0.31=63.61-1.96=8.72+5.6=74.5-7.9=
7.12+4.38=84.1-8.85=5.29-0.73=39.21+8.54=
一、口算。
3.6+0.8=7.4+3.6=38.1-5=0.51-0.26=
5.1+0.6=7.6-2.3=8.9+1.5=0.77-0.34=
4.3-0.5=5.6+6.7=26.6-5=0.72-0.04=
2.5-0.2=5.8-1.1=9.9+4.4=0.59+0.22=
5+0.9=0.4+7.6=23.8-6=0.54-0.19=
二、笔算。
8.86+0.89=43.69-3.6=7.88+2.69=89.9-41.6=
9.71-4.71=38.86-1.71=3.04+0.74=46.11+3.64=
9.53-0.08=33.22+4.97=8.02+3.42=82.5-9.9=
9.67-4.09=67.6+8.45=1.4+0.8=84.28-5.66=
一、口算。
8.1+0.5=9.9+8.9=46.7-3=0.58-0.34=
6.8-0.9=7.4+2.1=9.3-4.2=0.69-0.33=
4.1+0.2=3.4+5.7=40.6-2=0.84+0.47=
4.8-0.8=7.7+4.5=6.5-0.4=0.54-0.37=
7.3-0.4=5.9+1.5=10.5+7=0.63-0.1=
二、笔算。
9.37+0.22=24.55+2.71=7.05+2.32=95.1+42.1=
7.44-1.01=54.34+1.84=4.15-0.15=36.89+1.52=
3.32-0.97=92.69+7.6=9.49+5.34=58.3+10.4=
9.33+5.01=83.45-6.71=7.46-0.3=20.53-3.53=
一、口算。
6.9-0.7=5.8+4.4=66.7+1=0.63+0.35=
4.2-0.2=8.9+0.5=8.8+5.9=0.84+0.47=
5.3+0.4=5.7+6=76.1-2=0.96-0.39=
5.8-0.8=6.7-4.2=8.9+0.7=0.65+0.42=
1.8-0.2=1.7+0.6=59.3-3=0.6-0.26=
二、笔算。
7.74+0.37=21.78+3.41=7.63-6.7=71.7+43.6=
8.72+6.7=77.05+5.14=2.43+0.98=14.16-4.9=
9.38-0.05=86.5+8.72=8.56+6.53=75.3-25.7=
9.55-1.79=42.82-1.51=8.41-0.75=15.28-5.16=
一、口算。
7.5-0.8=7.4+2.1=36.5+9=0.73+0.32=
3.1-0.1=7.8+0.8=7.8-2=0.65+0.26=
7.7-0.5=4.3+8.8=70.5-2=0.5-0.33=
5.6+0.2=8.2+2.7=8.8-1=0.68+0.27=
3.1+0.4=4.9+9=38.9-6=0.88+0.17=
二、笔算。
6.93-0.37=59.45+8.83=8.75+2.73=50.6-41.5=
9.73+1.24=79.87-7.79=8.44-0.14=10.63+1.43=
8.01-0.96=86.16+3.17=8.47+5.47=52.8+13.9=
8.68-4.21=83.27+8.94=6.02+0.1=93.7+7.04=
一、口算。
8.6-0.1=2.5+4=25.5+9=0.92+0.09=
8.3-0.1=7-1=7.8+2.7=0.52+0.13=
4.4+0.4=7.4+9.8=36.6-9=0.55-0.07=
7.4+0.3=7.2-4.1=6.1-3.4=0.54+0.08=
3+0.3=7.5+8.6=16.8+9=0.82-0.29=
二、笔算。
2.46+0.19=35.67-1.38=9.78+2.37=66.9+26.2=
9.47+2.06=83.94+9.37=1.42+0.08=54.92-3.42=
1.29-0.24=23.52-2.08=8.42-2.41=69.8+35.4=
8.99+6.26=15.23+1.3=2.25+0.41=21.66+9.85=
一、口算。
2.8+0.8=4.4+4.2=17.5-4=0.62-0.46=
5.5-0.9=5.5+0.9=6.2+1.4=0.55-0.19=
4.4+0.2=5.4+0.6=60.5+2=0.99+0.19=
1.8+0.4=9.4+4.6=6.4+0.7=0.61-0.2=
8.5-0.3=7.1+8.8=46.2+1=0.58+0.16=
二、笔算。
1.09+0.1=94.36+7.08=8.29-6.29=87.8+1.3=
7.54+2.32=97.17-4.36=9.98-0.81=43.8-4.87=
6.98+0.86=57.89+5.13=7+6=58.9-11.9=
9.13-1.81=60.7-8.2=2.64+0.86=76.44-5.68=
一、口算。
8.6+0.3=7.3+6.9=22.6+9=0.56-0.22=
6.1+0.5=7.7+4.8=8.7-1=0.71-0.21=
8.5+0.9=4.4+6.7=60.6+6=0.74-0.49=
3.7-0.8=7.9+1.2=8.7+2.4=0.74+0.17=
5.5-0.2=6.1+3.3=69.9+7=0.84-0.02=
二、笔算。
7.77+0.79=38.49-4.43=7.84+6.92=75.4-26.6=
8.74+2.25=45.38-4.18=7.86+0.46=67.83+8.87=
9.81+0.05=52.87+1.73=7.91+1.22=85.6+35.3=
9.18+6.02=74.5+4.32=3.42+0.29=62.79+1.89=
一、口算。
1.5-0.6=4.2+6.3=37.7+1=0.94-0.17=
2.5+0.8=6.4+4.6=7.4+2.2=0.59+0.07=
1.3-0.3=1.7+7.1=21.1+5=0.65+0.24=
3.4+0.8=5.4-3.7=8.1-1.2=0.76+0.47=
2-0.9=7.1+0.1=82.9-4=0.91-0.3=
二、笔算。
5.43+0.19=82.28-2.77=7.43-2.76=51.3-27.9=
9.12+4.99=83.47-4.64=4.46-0.27=76.03-6.25=
2.73+0.21=12.45-8.74=8.06-1.4=90.8-33.1=
7.96+1.87=89.53+4.42=4.2+0.37=62.62-5.66=
一、口算。
1.4+0.4=1.8+1.9=25.1+3=0.94-0.47=
7.2-0.7=5.2-0.3=7.9+4.5=0.94+0.05=
3.2-0.4=2+8.6=29.7+5=0.64-0.28=
4.1+0.6=5.8+4.2=7.8+3.7=0.65-0.23=
2.1+0.2=1.5+2.8=13.8+6=0.94-0.35=
二、笔算。
6.4-0.03=72.08+7.12=9.26-6.66=57.5+38.4=
9.14-1.37=94.21+8.25=5.6-0.02=59.11-4.76=
7.36-0.92=97.05+9.85=8.86+5.36=71.9+33.9=
8.12-3.36=60.2-5.17=3.79+0.07=96.14+4.27