四年级数学下册小数加减法练习题精选141.docx
《四年级数学下册小数加减法练习题精选141.docx》由会员分享,可在线阅读,更多相关《四年级数学下册小数加减法练习题精选141.docx(13页珍藏版)》请在冰豆网上搜索。
四年级数学下册小数加减法练习题精选141
一、口算。
1.4+0.4=1.7+6.5=20.6+2=0.5-0.11=
6.8-0.6=8.2-1.2=6.4+0.8=0.73+0.02=
6.6-0.2=8.3+1.9=53.2-5=0.73+0.32=
3.5+0.1=5.1-0.4=8.4+4.5=0.95+0.24=
2.7+0.4=4.4+0.4=15.4+8=0.53-0.42=
二、笔算。
6.04+0.23=80.24+5.09=8.98+4.05=73.9-28.9=
8.6+4.35=45.66-9.36=7.64-0.82=74.11-9.95=
8.17-0.46=81+8.23=7.27+3.99=91.1-1.7=
9.45-2.94=61.78+1.13=9.41-0.99=12.02-7.14=
一、口算。
2.8-0.2=1.6+2.1=86.9-9=0.88+0.48=
7.1-0.7=9.2+4=8.7-0.1=0.66-0.19=
1.7-0.7=4.1+8.5=41.6+8=0.7+0.09=
7.5-0.5=9.6-1.5=7.4-0.6=0.7-0.3=
2.4+0.3=1+5.6=86.2-3=0.6-0.36=
二、笔算。
1.99-0.06=35.5+2.47=8.15+1.96=88.3+40.3=
9.9+6.49=96.43+2.48=6.84+0.93=75.96+8.57=
7.93+0.5=37.39+1.07=7.81+3.27=55.7-42.6=
7.55+6.23=82.74+3.13=6.77-0.46=78.42-9.27=
一、口算。
3.2-0.6=8.3+2.5=13.6+7=0.8+0.09=
1.4-0.8=9.2+2.3=9.6+1.7=0.91-0.4=
8.4-0.2=1.5+8.9=18.4+4=0.92+0.02=
1.5+0.9=6.3+3.7=6.3+2.5=0.61-0.13=
1.4-0.9=0.2+1.9=51.4+1=0.91+0.39=
二、笔算。
3.52-0.65=30.99-3.97=8.56+3.99=84.4-26.2=
9.47-6.71=54.17+5.13=2.84-0.36=64.08-5.35=
7.19-0.05=78.18+2.29=9.6+1.97=59.3+47.9=
9.97+4.6=38.57-9.01=4.95+0.31=54.44-9.87=
一、口算。
4.9+0.4=7.4+5.3=14.9-1=0.83+0.24=
3.9-0.7=8.4-3.8=8-1.1=0.78+0.22=
3.1-0.1=2.8+3.1=83.6+7=0.8-0.2=
8-0.7=9+4=6.5+1.4=0.75-0.17=
9-0.2=9.8+7.3=57.7+5=0.92-0.22=
二、笔算。
8.69+0.57=61.23+9.74=8.66-1.52=70.9-49=
8.43+6.16=86.18+9.1=9.14-0.45=22.01-3.8=
6.97-0.06=28.64+9.63=8.88-2.96=78.8-33.5=
7.64-3.46=94.19+1.32=6.51+0.95=99.33-9.59=
一、口算。
8.7+0.4=9.8+1.7=52.8-4=0.79-0.15=
2.3+0.9=6+2.2=7.5-5.2=0.76+0.3=
3.2-0.2=2.5+8.4=27.4-3=0.83-0.25=
7.6-0.7=9.2-4.3=9.4+1.7=0.51+0.49=
1.4+0.1=3.6+4.4=92.2-5=0.87+0.4=
二、笔算。
2.57-0.72=89.25+3.93=7.1+1.06=53.1+33.8=
9.86+3.23=49.74+7.82=2.15+0.83=57.92+3.21=
4.48-0.65=67.66+5.62=7.25+1.15=91.2+10.7=
8.18-3.34=34.28+8.1=6.86-0.55=46.25+8.07=
一、口算。
1.9+0.5=0.4+7.8=62.2+8=0.88-0.05=
5.6+0.7=5.7+3.3=6.9+1=0.53+0.45=
4.3-0.5=0.1+6.7=63.9-3=0.97+0.19=
2.4-0.2=9.4+3.6=8.8+3.8=0.97+0.4=
5.2-0.4=4.3+3.8=71.5-4=0.71+0.42=
二、笔算。
2.44+0.2=45.29+2.1=8.9-6.89=74.8-17.2=
8.36+4.36=68.02-8.58=7.49-0.53=21.93-6.32=
9.24-0.93=15.49-8.38=7.35-6.99=70.5-35.6=
7.76+6.31=36.51+3.04=9.81+0.46=67.16+3.72=
一、口算。
5.8-0.2=5.3+4.4=94.6-3=0.69-0.26=
6.3+0.4=7.9-1.2=6.4-3=0.84+0.44=
8.5-0.9=7.3+8.5=86.4+7=0.64-0.46=
1-0.6=7.7+2.3=9.6-1.9=0.96-0.49=
2.9+0.5=9.6+4.1=30.2-6=0.99-0.12=
二、笔算。
9.02+0.71=64.75+8.4=9.78-6.09=75.7-19=
9.12+3.49=82.52+3.64=5.18+0.36=51.69-3.99=
2.62-0.79=40.1+2.72=9.93-6.98=74.9+37.8=
8.72-3.56=47.86+9.48=1.85+0.71=89.86-8.68=
一、口算。
7.9+0.8=3.1+7.4=27.7+2=0.79-0.34=
8.9-0.2=9.9-4.6=7.7+4.1=0.56+0.36=
6.7-0.9=9.4+4.1=20.6+9=0.63+0.46=
8+0.1=6.8-3.5=9+3.2=0.95-0.43=
1.7+0.4=6.9+5.4=91.9-8=0.93-0.21=
二、笔算。
3.68-0.89=49.83-6.2=8.67+1.31=52.7-27.6=
7.82-3.91=50.17-7.06=3.95+0.77=96.67+6.6=
8.22+0.97=22.53+6.4=9.69+4.65=65.8-25.2=
7.38-4.88=45.07+9.69=7.47+0.81=55.19-1.47=
一、口算。
5.4+0.5=4+7.5=94.4+5=0.96+0.08=
3.3-0.6=6.7-4.1=7.1-0.4=0.67+0.06=
5.8+0.7=0.6+1=77.3-2=0.84+0.12=
6.2+0.2=8.7-0.5=8+5.9=0.7+0.42=
1.1+0.3=4.3+8.1=30.6-3=0.78+0.18=
二、笔算。
8.61+0.72=99.28+9.22=7.18+2.88=97.7+47.8=
9.25-2.97=37.28+2.45=8.56+0.26=79.31-8.72=
7.54-0.76=36.16+8.98=8.9-6.89=62.4-38.9=
9.6-2.62=39.78+3.69=6.98+0.82=94.09+4.01=
一、口算。
5.1+0.6=2.9+3.2=90.2+6=0.58+0.09=
6.9-0.9=7.9-3.6=9.1+1.5=0.71-0.23=
6.5+0.6=0.9+0.3=65.1-8=0.99+0.04=
8.5+0.6=9.1-3.7=7.1-4.7=0.91+0.02=
4.9-0.4=4.3+6.2=76.7+6=0.82-0.42=
二、笔算。
9.51-0.48=43.99-3.57=9.11+4.37=76.2+46.7=
8.3-4.9=53.67+7.15=6.2+0.74=92.88+7.23=
8.19+0.84=56.32-6.25=8.99-6.99=86.4-31.5=
9.9+1.76=89.7+5.53=8.69-0.19=61.5+2.77=
一、口算。
2.2-0.3=3.9+6.6=73.7-2=0.79-0.14=
6.6+0.6=6.4-1.8=6.6+0.1=0.65-0.21=
7.7+0.8=5.9+6.7=37.1+3=0.59-0.36=
6.2+0.1=7.7-0.2=8.8-3.4=0.52+0.15=
4.7+0.5=9.1+3.8=90.3+1=0.84+0.16=
二、笔算。
8.61-0.87=41.18-2.04=9.42-2.31=86-18=
9.84-2.85=49.83-2.71=5.02-0.76=42.59+9.01=
1.97-0.81=18.85-7.27=9.34-5.93=79.5-23.3=
8.12+4.84=35.58+1.23=3.34-0.49=30.63+3.12=
一、口算。
7.2+0.3=6.9+4.8=79.6+9=0.62-0.23=
8.6+0.5=5-0.9=7.4-3=0.84+0.39=
5.3-0.2=9+4.6=19.4-9=0.62+0.49=
7.9+0.4=6.2+0.6=7.5-5.8=0.9+0.09=
2.8-0.1=0.3+1.7=92.1-9=0.63-0.44=
二、笔算。
9.13-0.62=80.54-1.88=8.28+1.63=50+30.5=
7.2+2.72=85.7+2.15=3.54+0.92=72.24-2.61=
2.17-0.05=84.75-5.66=8.24+3.64=93.5-23.6=
8.05+6.38=45.55-9.21=2.6-0.96=41.27-3.23=
一、口算。
4.3+0.4=5.8+6.5=27.4+3=0.59+0.23=
3.8+0.7=8.5+4.4=6.1+1.5=0.52+0.27=
1.8+0.7=4.2+0.1=23.2+6=0.77+0.22=
1.1-0.4=9.6+1.4=7.5+5.1=0.7-0.4=
5.9+0.5=6.2+0.8=76.3+3=0.52+0.22=
二、笔算。
3.92+0.24=98.57-6.8=8.57+5.99=66.4+49.6=
7.1-4.02=31.1+1.81=6.55-0.56=50.4+7=
9.47-0.27=84.15-4.28=8.48+5.55=64.5+21.1=
8.01+3.81=30.99+6.04=7.78+0.83=65.7-5.84=
一、口算。
8.9+0.2=9.3+1.3=15.9+9=0.74+0.11=
6.5+0.1=7.2-1=7.4-3.8=0.99-0.29=
5.3-0.3=2.4+1.6=47.9-8=0.77-0.26=
4.4-0.1=9.4+2.1=7.6-5.8=0.99-0.47=
7.6+0.3=7.1+8.8=33.2-1=0.66+0.31=
二、笔算。
7.92+0.09=36.49-6.67=7.48-5.53=73.3+8.9=
9.49-4.71=86.96+3.8=6.47+0.49=55.08+3.13=
1.66-0.4=53.43-8.48=9.77-5.28=94.1+1=
8.44-5.31=34.8+3.26=1.69+0.23=68.23+2.74=
一、口算。
1.3-0.7=9.4+4.4=65.4-9=0.82-0.21=
2+0.3=8+3.9=8.8+5.3=0.61-0.14=
8-0.9=4.1+6.1=68.1-9=0.74+0.39=
7.3+0.5=6-0.8=8.7+3.3=0.68-0.45=
9-0.7=7.9+6.8=97.5-9=0.71-0.17=
二、笔算。
6.94+0.09=45.14+4.12=9.82+3.33=94.6+34.9=
8.88+5.32=35.68-6.4=7.35+0.27=82.5-5.73=
9.95-0.8=76.67+8.97=9.54-4.56=52.4-23.8=
7.23+3.38=23.9+2.21=6.19+0.51=43.87-4.48=
一、口算。
2.8-0.8=2.1+1.8=32.6+3=0.84+0.3=
6.1-0.5=6.7+3.3=7.4-2.8=0.6-0.29=
7.2-0.1=4.8+8.2=35.7-8=0.89-0.06=
4.6-0.7=9.6+2.5=8.9-5.9=0.73-0.37=
1.7-0.9=7.6+6.8=58.9+1=0.84-0.26=
二、笔算。
1.24-0.21=11.67-4.66=9.06-3.76=63+15.4=
8.19+3.6=11.67-9.71=8.75-0.54=90.56+7.17=
2.47+0.9=34.48-3.27=8.66+1.23=93.2-27.7=
8.56+5.95=46.55-8.17=7.79+0.41=83.87-4.18=
一、口算。
2.5-0.7=6.4+0.2=46.6-5=0.87-0.41=
1.8-0.7=9.1+3.4=9.4+5=0.78-0.32=
4.5+0.3=9.1+7.3=46.8-6=0.89+0.3=
3.1-0.9=8.1-2.5=6.5-3.2=0.73-0.23=
6+0.2=3.9+4=75.5+2=0.6-0.19=
二、笔算。
2.78+0.06=16.94-1.17=8.74-3.08=99.2+12.7=
7.84+4.15=40.22-1.16=2.79-0.31=77.52+3.1=
9.26-0.44=56.4-3.38=9.5+6.16=65.6+18.7=
7.34-4.48=23.05-6.56=5.1-0.18=24.05+9.81=
一、口算。
3.4+0.1=9+4.2=69.4+1=0.5-0.28=
4.6-0.1=5.6-4.3=7.1-3.2=0.71+0.04=
1.1+0.8=4.8+3.9=57.5+2=0.7-0.04=
8.4+0.9=9.9+3.6=7.7+5.5=0.9-0.41=
1.8+0.3=9.6+8.4=98.3-3=0.53-0.44=
二、笔算。
4.64-0.81=76.26+4.16=8.73+3.02=51.9+34.2=
7.04-6.89=60.89-8.75=2.47-0.51=46.12+4.57=
2.93-0.05=55.95+4.95=8.08+1.27=67.5-28.6=
7.96+3.12=37.76+1.78=8.69+0.43=74.85-7.76=
一、口算。
7.2+0.4=4.6+9.4=47.5-1=0.9-0.41=
5-0.5=8.6-3.1=6.3+0.4=0.63-0.33=
2.3-0.3=3.5+8.7=21.5+6=0.76-0.25=
4.4-0.1=7.6+2.9=7.9+2.5=0.99+0.35=
8.1+0.7=6+1.2=28.2+6=0.69+0.2=
二、笔算。
8.84+0.35=99.8-2.29=9.83-1.16=84.2-6.5=
9.97+4.32=40.13+4.75=7.79-0.84=22.6-9.99=
5.12-0.31=46.29-6.54=8.63+3.05=55.3-16.4=
8.21-2.2=61.44-2.78=9.58-0.05=67.58+6.93=
一、口算。
7.3+0.3=7.6+6.5=25.7+1=0.91-0.01=
3.3-0.8=9.8+2.4=8.2-4.4=0.81-0.33=
8.9-0.7=1.3+3.5=74.4-5=0.54-0.37=
4-0.5=7.3-3.5=6.4-0.7=0.61+0.04=
9+0.6=7.3+5.7=36.9+1=0.91+0.31=
二、笔算。
5.34-0.72=63.52+3.81=7.15+6.18=86.3-28.6=
8.09-3.14=62.92-1.24=2.34-0.78=45.07+4.82=
8.31+0.42=23.84+4.01=8.28+3.45=60.6-41.3=
9.19+3.12=21.73+5.99=2.51-0.92=49.03+2