小学数学《小数计算》天天练
四年级小数运算每日一练(第一期 30天)
四年级小数运算每日一练(第一期)班级:姓名:日期:计时:39.7+79.4=59.7+89.6=87.3+32.2=51.7-18=44+49.4=3+76.2=66.7+6.7=57.6+2.9=94.3-84.5= 3.4-2=81.8-39.6=21.9-6.4=60.1-21.8=60.7+12=71.4-13=92.4-69.6=40.5-28.4= 4.3+33=41.6-2=43.3+59=班级:姓名:日期:计时:92.5-34=83.3+74.1=75.4-51.7=66.6+20.8=8.3+52.9=76.4-65.8=13.3-11.2=82.6+81=83.7-12.3= 2.9+63=78.4+39.3=40.1-25.9=84.2-21=30.7+3.1=97.2-68.2=58.9-1.2=83.9+54.8=19.8+61.7=80.2+69.9=85.5-46.3=班级:姓名:日期:计时:50.3+29.7=81.4-47.1=51.2-36.3=40.5+50.3=50.9-18.1=50.4-28.9=21.7+81.7=18.3-13.3=83.8+45.7=48.9-35.2=26.8+41.7=22.1+6.2=59.1-37.3=51.4-16.9=94.6+10.8=78.7-8.2=74.4+44.4=12.7+99.8=51.6-22.6=86.9+9.7=班级:姓名:日期:计时:34.5+28.2= 4.9+46.8=89.8-36.3=85.3+6=86.6-11.5=54.8-11.7=26.4-3.1=94-27.7=36.9+18=12.1+36.3=56.8-22.5=98.5-4.9=27.2+26.8=82.9-41.6=38.6+53.9=95.7+24.3=79.9+51.2=44.5-24.7=83.3-27=91.5+51.9=班级:姓名:日期:计时:68.4+46.1=51.5+97.3=7.8+14.9=87.3+32.4=74.6-62.1=74.9+84.8=80.7-29.8=43.9+11.5=64.1-46.1=83.9-50.5=65.4-11.9=66.6-49.8=92.9+89=70.4-54.7=37.8-13.4=15+5.7=82.4+48.7=98+49.7=61.7-42.8=82.7-37.1=班级:姓名:日期:计时:66.4-39.4=48+43.1=82+39=74.6-52.7= 58.6+22.5=93.1+74.2=40.2+21.9=39.9+81= 18.4+62.6=96.7-82.4=78.2-35.5=53.4+32.3= 38.2+18.2=76.5+61=71.8-60.7=49.7-9.4= 36.2-29.8=46.5-4.5=19.9-1.7=55.8-17.4=班级:姓名:日期:计时:69.3-63.3=58.5-36.2=60+75=62-29.2=78.6+95.6=59-28.3=91.2-33.4=10.5+47.8=2.5+2.8=94.3+10.2=47.9-24.3=92.6+39.3=15.2+4.1=47+43.6=81-51.5=7.8-2.6=59.8+52.8=74.2-47.8=39.2+79.1=91.2-10.1=班级:姓名:日期:计时:77.3+46.9=76.5-42.8=57.7+73.4=18.5+42.4=75.3-21=77.8-47.4=50.1-3.4=90.3-47.6=3.3+36=51.8-33.4=99.8+58.4=82.7-43.3=30.3+27=76.1+78.8=41.7+50.2=76.7-20.9=38.8+29.4=70.5-66=24.8+11.6=14.1-3.3=班级:姓名:日期:计时:98.8+96.9=23.6-6=76.1-19.9=52.9-51.5=85.5-79.1=99.3-88=79.5-77.3=23.2-12.4=46.1+22.1=75+5.2=67.8+70.2=94.6-50.2=81+24.4=37.2+56.1=37.6+99.6=81.8-42.7=67.8-19=13.3+13.5=96.6+78.2=45.3+0.3=班级:姓名:日期:计时:69.4-10.3=32.9-21.8=28.4+50.9=91.3+80.7=50.8+60.1=62.7-43.4=61.8-50.5=21.8+3.9=29.4+51.6= 2.8+60.5=25.3+40.1=35.5-33=45.2-29.9=66.8-33.7=11.5+73.5=74.9-56.3=77.2+33.7=94.1-53.1=67.4-24.5=41.6+2.7=班级:姓名:日期:计时:85.2+95.3=21.4+28=20.6+77.9=70-34.6=80.3-5.3=61.8+41.9=68.4-36.4=57+43.1=52.5+43.1=42.1-40.6=37.4+71.5=98.1+30.8=86.7-48.1=13.1-10=92.9-6.9=62.1+83.1=75.7-64=80.3-10.7=17.3-16.6=69.5+4.8=班级:姓名:日期:计时:49.5+36.6=74.3-48.2=95.5-54.4=79.6+72.7=90.5+0.3=67.5-44.7=18.7+68.6=87.8-62.7=80.6-66.4=28.6+83=93.5-71=16.6+35.9=19.3+96.3=88-37.5=48.5+55.2=11.8-11.2=90.2+71.5=58.9-22.4=51.2+85.8=26.9-9.4=班级:姓名:日期:计时:11.2-0.7=65.8+63.1=66.7-42.9=81.1-65.4=92.6-79.8=86.6-2=13.5+66.5=71.4+10.4=6.3+24.8=72-5.2=41.8+13.5=37.2-35.5=87.8+43.8=24+42.2=72.5+82.9=35.6-23.8=41.6+58.4=89.3-15.1=33.3+13.6=70.6-14.1=班级:姓名:日期:计时:29.4-9.1=65.4+65.5=9.4+62.4= 5.5+72.3=73+14.5=16.2-2.8=98-77.6=66.6-14.5=6.9-0.9=80.3-59.6=41.9+92=18+35.4=91-84.4=67+22.9= 3.9+9=22.7+42.1=58.6-27.5=9.6+47.5=10.4-3.7=93.5-2.1=班级:姓名:日期:计时:98.3+46.2=94.7+97.1=56.8-43.5=22.5-8.9=67.5+15.3=31.6+77=50+43.7=88.4-55.9=99.8-90=52.1-24.1=78.4+83.6=72.4+74.2=64.9-24.4= 1.7+2.8=81.1-35.5=66.2-16.9=34.1-21.4=34.4-31=39.1+38.4=85+20.8=班级:姓名:日期:计时:99-82.2=73.8-35.8=39.8-27.9=49.6+45= 96.1+45.2=72.8+8=77.4+77.8=66-21.3= 29.5-22.3=46.6+18.6=64.2-25.4=56.2-46.7= 77.9-32.2= 6.9+8.4=89.2+14.7=76.1-16.8=2+62.9=61.2-49.5=13.2+43.7=71.2+20.7=班级:姓名:日期:计时:78.2+49.8=21.1+38.7=54-12.7=62.7-14.2=48.1+28.2=37.3-25.2=91.6-80.8=9.8+44.8=59.4-54.7=44.7-36.4=87.1+8.6=44-22.7=80.1+2=76.8-51.5=49.4-46.3=9.1+90.3=1.4+1.4=79.4-75.3=38.4+8.6=33.9+68.2=班级:姓名:日期:计时:70-51.3=69.4-56.8=67.8+96.5=81.6+12.5= 98.1-70.2=89.4+78.8=90.8-61.5=88.8+19.3= 93-92.7=84.5+89.2=99.6-55.9=55.5-38.4= 40.6+68.4=86.9-66.1=67.5-43.2=57+93.7= 82.2+31= 4.5+25.4=17.8+7.6=41.9-28.5=班级:姓名:日期:计时:37.5-12.6=91.4-32.6=98.1-36.5=57+84.4=59.4-23.7=75.5-27.2=32.7-20.7=71.6+15.4=24.3+98.1=66.5+16=64.3-23.8=62.7-4.1=72.4+27.9=30.9+49.9=47+51.5=40.9+56.8=44.9-25.5=64.7+39.8=88.4-69.4=69.9+71.7=班级:姓名:日期:计时:53.7+83.7=97.5-78.9=80.2-25.6=96.7+23.2=10.1+49.5=60.7-59.2=91.8+2.9=73.6-27.7=10.4-4.9=90.2-40.9=24.4+54.7=40.1-39.8=37.2+35.3=78.4+27.8=66.8+71.1=61.2-48.3=39.5+51.3=60.1-28.4=15.2+6.2=82.1-60.3=班级:姓名:日期:计时:45.5-9.6=66-55.8=81.9+23.5=64+44.2=81-24.7=27.5+71.8=54.6+84.1=55.3-22=30.3+75.9= 4.4+85.3=57-11.6=90.6+81.3=53.1-1.5=46.6-5.2=28.7-3.9=25.7+10.3=64.3+71.2=99.9-41.9=56.9+11.5=53.4-19=班级:姓名:日期:计时:55.7+78.1=87.5-49.9=65.2+35.9=90.1-44.1=27.5+95.3=8.2+34.9=54.1-36.6=57.9+98.4=56.3-2.8=99.1-23.5=27.2-12.2=83.2-2.7=7.6+8.5=13.8+73.9=71.4-20.8=45.2+48.8=91.8+6=72.5-59.5=91.3-15.7=76.9+5.5=班级:姓名:日期:计时:56.3+81.6=35.3+95.9=83+31.7=30.2-8.1=77.4+21=46.1-29.5=91-72.7= 2.7+34.6=72+28.6=75.3-16.5=35.6+2.1=29.6-22=28.5+9.1=80.5-4.8= 5.7+56.3=20.6-14.5=88.9+37.6=61.5-20.6=57.5-53.4=89.3-51.6=班级:姓名:日期:计时:34-12.6=59.5-57.7=46.4-35.3=26.3+1.3= 53+16.6=46-20.3=35.2-5.5=82.5+19.5=91-48.8=10.6+34.2=28-25.1=25.7+49.3= 59.5-27.2=86.9+5.2=74.7+24.1=9-7.4=13.7+80=43.4+16.7=31.9+62.6=36.2-15.9=班级:姓名:日期:计时:83.3+80.4=90.6-5.8=19-18.8=25.5+0.3=68.9-39.9=92.6-17.4=82.8+31.5=71.9+85.3=24.1-14.8=6+2.8=33.2+21.7=35.7+76.9=33.1+52.6=63.6+26.5=74.2-18.9=75.3+3.2=19.8-5.6=82.4-70.8=77.1-56.6=69.8-3.4=班级:姓名:日期:计时:50.9+89.9=41.4+72.5=63.8-53.1=31-20.1=64.3-34.6=19.4+64.5=71.9-34.5=11+57.9=80.2+6.6=23.9+78=93.5-77=88.1+91.4=74.9-35.6=74.8-46=64.6-49.4=54.6+27.1=76.6+1.4=31.6+83.5=83-2.4=51.2-25.1=班级:姓名:日期:计时:92.8-28.6=83.9+91.6=71.8-20.3=91.2-72.3=72.7+68.4=78.2-13.6=22.8+94.1=69.6-62=53.3-11.3=98.3+29.6=26.4-0.3=62+61.1=19.5-13.9=12.3+61.4=60.3+43.8= 6.9+92.5=81.9+4.4=56.9-20= 4.8+89.9=91.8-73.9=班级:姓名:日期:计时:29.3+85.3=83.7+36.4=28.6-6=98.5+13.6=92.5+6.6=68.2+42.5=54.6+66.7=17.4+19.4=51.8+45=94.9-67.5=74.3-48.5=38-33.6=32.6+23.7=47.3-11.3=83.7-66.6=19.9+71.9=21.2-11.4=11.8-2.4=74.9-21=80-71=班级:姓名:日期:计时:20.3+64.4=58.7-37.7=49.5+77.9=72.6+78.7=31.8+78.8=0.1+94.8=26-15.1=34.1-22.9=83-21.6=94.4-4.7=6+55.2=59.3+57.8=77.3-17.3=48.1+55.6=23.1-12.7=86.1-2.1=59.1+79.9=99-75.1=87.6+5.2=18.9-16.8=四年级小数运算每日一练班级:姓名:日期:计时:32.6+48.4=67+67.2=74.2-2.8=92.8-24.5=91.9-12.3=77.7-43.9=49.8-44.8=79.5+66.9=96.9+81.8=77.5+13.8=95.9+28.7=55.9+57.4=48.2+36.6=79.7+47.7=7.6+17.1=72.4-9.7=48.3-40.3=88.7-82.6=44.2-31.9=88.4-21.8=。
北师大版四年级下册数学计算天天练100题及答案
北师大版四年级下册数学计算天天练100题及答案题目一:整数的四则运算1. 计算:68 + 25 - 13 + 36 - 20 =2. 计算:145 - 89 + 27 - 14 + 63 =3. 选择正确的运算符补充:52 - 23 + 10 × 2 = ()a) +b) -c) ×4. 计算:98 - 25 × 2 + 16 =5. 计算:25 × 5 - 10 × 2 =6. 选择正确的运算符补充:139 ÷ 7 - 18 = ()a) +b) -c) ÷题目二:分数的计算1. 计算:2/3 + 1/5 =2. 计算:4/5 - 1/3 =3. 计算:3/4 × 2/5 =4. 计算:4/7 ÷ 2/3 =5. 选择正确的运算符补充:1/2 + 1/3 × 1/4 = ()a) +b) -c) ×6. 选择正确的运算符补充:5/6 ÷ 1/2 - 1/3 = ()a) +b) -c) ÷题目三:小数的计算1. 计算:0.8 + 0.23 =2. 计算:2.4 - 1.36 =3. 计算:1.5 × 0.7 =4. 计算:4.8 ÷ 1.2 =5. 选择正确的运算符补充:3.5 + 2.1 × 0.3 = ()a) +b) -6. 选择正确的运算符补充:4.2 ÷ 1.4 - 0.6 = ()a) +b) -c) ÷题目四:面积与周长1. 一块长方形地面的长为5米,宽为3米,它的面积是()平方米。
a) 8b) 15c) 102. 一块正方形的边长为7米,它的周长是()米。
a) 21b) 28c) 143. 一块长方形的周长为15米,宽为3米,它的面积是()平方米。
a) 30b) 454. 一条围墙围成的花坛形状是一个正方形,边长为4米,它的周长是()米。
小学数学计算天天练
计算天天练 姓名:1、直接写出得数。
12÷12= 1÷107= 9.5+0.5= 13+14= 0÷15×2= 1-1112=78×514= 712÷74= 45-12= 19×78×9= 2、计算、简算23×7+23÷1543-43÷3+259 (16-112)÷1\24 (57×47+47)÷4732.6×33-32.6×23 [21-(43-53)] ÷1074、解方程 7103x +3.7=4.4 5x -x=0.36 8x +2.5×4=34 21x -121=65、列式计算①8减去 427 与92 的积,再除以613 ,商是多少? 25与23的和乘以它们的差,积是多少?②甲数的54是90,乙数是90的54,甲、乙两数的差是多少?① ①8减去427 与92 的积,再除以613,商是多少?计算天天练 姓名:1、直接写出得数。
12÷12= 1÷1%= 9.5+0.5=13+14= 0÷15×2= 1-1112=78×514= 712÷74=45-12= 19×78×9=2、计算、简算23×7+23÷1543-43÷3+259 (16-112)÷1\24(57×47+47)÷4732.6×33-32.6×23 [21-(43-53)] ÷1075、解方程 7103x +3.7=4.4 5x -x=0.36 8x +2.5×4=34 21x -121=65、列式计算①8减去427与92 的积,再除以613 ,商是多少? 25与23的和乘以它们的差,积是多少?②甲数的54是90,乙数是90的54,甲、乙两数的差是多少?① ①8减去427 与92 的积,再除以613,商是多少?计算天天练1、口算 (21+31+41)×24= 3.27×4.3+3.27×5.7= 0.25×80-45÷0.9= 24÷4+56÷4= 0.15×0.2+0.17= 0.88-0.8×0.1= =+-+31213121 2、计算、简算722318÷9 (1314.265)3821⨯-÷+ 645-45×1216×6.8+2.2×16+16 0.4×4.7×2.5+(2.3+5.3) ()3121()2131-÷+3、解方程。
四年级下册口算天天练——小数加减法部分资料
四年级下册口算天天练——小数加减法部分资料四年级下册口算天天练——小数加减法部分口算天天练(1)姓名:________________ 分数:____________ 把下面的分数、小数互化。
=================================100015106 100010010007710019 10005010030100020 1000910045 10060 10021100050 1000256 105 100010310054 10002510005781000.203 10025100050710017 1000501007100030 10010100011000125 10027 1003 1002 10 1 0.14= 0.9= 0.10= 0.54= 0.101= 0.125= 0.8= 0.39= 0.91= 0.04= 0.320= 0.01= 0.007=0.37= 0.12=0.40= 0.04= 0.54= 0.943= 0.50=0.390=口算天天练(2)姓名:________________ 分数:____________小数的大小比较(1)在○里填上“>”、“<”或“=”。
3○3.8 6.5○6.50 2.45○2.08 0.01○0.1 1○1.01 4.85○3.94 5.40○5.41.5○1.60 4.8○4.082.7○2.95 0○0.01 0.04○0.10 15.4○15.54 0.6○1.12.889○2.9 8.92○82.9 2.7○2.67 1.33○1.333 5○4.98 2.15○2.252.74○2.47 4.6○4.06 2.54○2.51 6.18○1.86 3○2.98 6.49○6.5 9.9○10.1 4.25○4.30 11.4○10.67 7.8○8.73.96○3.69 0.18○0.814.4○4.05 6.75○6.78 7.5○5.7 0.51○0.508 0.1○0.100 1.34○1.43 7.4○7.04 0.6○0.60 1.25○1.025 3.14○31.44.95○5 4.8○4.99 0.09○0.905.7○4.71 1.04○1.035 12.5○15.1 3.87○3.09 8○7.999 0.35○0.53口算天天练(3)姓名:________________ 分数:________________58厘米=()米540克=()千克7元8角3分=()元8千克10克=()千克1米70厘米=()米600毫米=()米150克=()千克10.04吨=()吨()千克178厘米=()米()分米()厘米150克=()千克; 86厘米=()米11厘米=()米;76分米=()米5厘米=()米;182米=()千米231克=()千克;18克=()千克745毫米=()米; 789克=()千克;5米80厘米=()米2元4角9分=()元;7吨60千克=()吨30千克=()吨;3米6分米=()米8米15厘米=()米;3元7角=()元5分=()元15角=()元8元10分=()元 70克=()千克60厘米=()米560克=()千克108千克=()吨13角=()元80分=()元46毫米=()米370米=()千米3米50厘米=()米29千克=()吨7.06米=()米()厘米口算天天练(4)姓名:________________ 分数:________________6.63米=()米()分米()厘米6.48元=()元()角()分567克=()千克 28克=()千克50厘米=()米 39分米=()米68角=()元 37分=()元576千克=()吨 7角8分=()元800毫米=()米 69厘米=()分米49毫米=()厘米 60分=()角7.62○6.72 0.29○0.32 4.5○5.010.25○0.51 0.4○0.41 1.38○1.39 0.1○0.01 1.14○1.41 6.6○6.5783.89○3.98 6.78○7.86 0.25○0.264.5○4.19 4.5○5.4 3.6○3.760○0.04 5.5○5.9 5.15○5.32.45○2.48 0.12○0.21 5.6○5.602.99○2.999 0.20○0.19 5.14○5.30.27○0.179 5.389○6.0 0.93○0.9304.79○4.595.80○6.08 4○4.0007.9○8.0 3.91○3.09 9.00○97.8○3.9 1.872○2 0.57○0.75 5.899○6 7.001○5.9 6.99○7口算天天练(5)姓名:____________ 分数:______________ 1.5+8.5= 5.4+8.2= 3.6+1.8=3.3+7.9= 2.4+6.8= 8.1+7.9= 14.3+1.4= 9.2+1.3= 1.6+3.9=1.8+7.4= 15.4+3.6= 0.4+1.6=2.8+3.6= 3.6+4.7= 6.5+1.9=0.6+0.7= 1.5+3.8= 6.2+9.9=11.5+11.4= 0.8+3.4= 4.4+1.7=0.8+2.3= 3.5+4.4= 15.7+0.3=1.7+4= 7.2+1.5=2.1+6.2=5.6+2.3= 2.5+4.5= 3.8+0.5=1.3+6.7= 0.6+2.5=3.2+2.1=3.6+4.2= 4.3+5.6= 2.4+4.0=1.3+2.1= 2.8+3.5=4.6+2.1=1.7+4.5= 6.7+4.2= 1.6+8.0=3.5+6.7= 8.9+9.4= 1.3+5=3.2+2.1= 5.7+8.5= 0.8+5.4=1.4+6.2= 2+3.3= 5.5+6.0=5.2+4.8= 4.1+2.8= 3.2+3.3=6.4+2.9= 3.4+1.6= 5.2+4.8= 8.1+2.1= 0.8+1.3= 1.2+1.6=口算天天练(6)姓名:____________ 分数:_______________ 1.7+7.2= 6.8+9.1= 3.4+5.5= 0.8+5.1= 3.4+1.8= 1.1+3.5= 4.6+8.1= 4.5+1.2= 9.0+7.6= 1.9+3.4= 4.5+5.5= 5.6+5.4= 7.3+1.7= 0.9+3.5= 5.3+6.4= 4.6+7.8= 1.2+4.3= 4.2+2.1= 3.7+3.2= 1.4+2.4= 8.1+0.5= 0.3+3.2= 6.3+2.5= 4.6+1.4=0.9+0.8= 0.5+0.3= 3.5+7.8=1.1+12= 3.5+7.3= 9.8+4.5= 5.6+7.6= 3.4+1.9= 4.5+2.3= 5.7+8.4= 1.8+0.9= 5.8+9.8= 1.3+5.7= 8.9+4.5= 1.6+0.5= 4.5+7.5=3.6+6.2= 6.5+6.1= 3.5+7.6= 7.5+7.1= 0.7+4.3=5.1+0.5= 5.3+5.1= 7.8+2.4= 4.5+7.1= 4.1+7.2= 0.9+0.6=9.7+8.6= 8.6+4.3= 0.9+4= 2.6+3.5= 6.7+1.4= 6.3+6.2= 6.3+5.1= 8.9+0.3= 5.5+1.7=口算天天练(7)姓名:__________ 分数:__________ 8.7-3.5= 3.2-2.1= 8-3.2= 10.2-6.2= 6-0.4= 8.3-7= 4.7-4.3= 8.2-5.2= 2.6-0.8= 4.7-2.5= 8.4-0.6=5.7-3.7= 1-0.9= 3.5-1.3= 3.5-3.4= 9.7-5.4= 4.3-1.4= 7.1-0.2= 8.2-6.8= 6.9-2.5= 2.1-1.7= 6.8-2.9= 4.3-1.2= 6.9-1.2= 3.9-0.8= 1.5-0.8= 5.1-3.4= 3.4-2.3= 6.7-3.1= 8.3-3.3= 8.8-3.2= 12.3-4.5= 5.1-0.9=1.2-0.3= 4.2-0.1= 7.8-3=2.2-0.6= 8.9-5.4= 2.7-1.2= 8.5-7.6= 5.2-0.9= 6.2-2= 8.4-6.2= 6.3-4.1=3.2-1.9= 7.1-5.4= 9.8-5.4= 8.4-4.2= 3.8-0.2= 7.9-0.1= 6.7-6.4=1.2-0.9= 1.4-0.7= 3.4-1.2= 5.3-3.2= 5.1-2 = 6.7-3.4= 9.6-5.2= 6.7-2.9= 7.1-4.8=口算天天练(8)姓名:__________ 分数:__________ 5.3-2.7= 2.6-0.5= 7.5-7.2= 4.3-0.1= 6.1-3.0= 6.5-2.2= 70-0.5= 4.3-2.3= 6.2.-1.4= 4.5-1.2= 8.6-5.3= 3.7-1.5=7.3-4.1= 7.4-2.4= 3.1-1.8=8.2-7.1= 8.6-3.6= 9.6-2.2= 5.4-3.2= 8.4-5.1= 6.2-3.2= 3.1-0.2= 3.7-1.7= 4.3-2.1= 6.4-1.9= 4.5-2.7= 9.5-2.3= 6.7-2.1= 8.4-7.4= 6.3-2.4= 3.7-2.7= 7.5-4 = 2.3-1= 6.3-2.6= 2.4-0.5= 3.2-1.1=5.2-1.6= 7.3-2.6= 5.4-1.2= 7.4-6.3= 5.1-3.4= 6.2-4.1=7.5-3.7= 7.4-3.5= 5.3-5= 6.4-5.2=8.3-5.1= 7.2-5.1= 5-2.3= 6.5-4.3= 7.1-4.3=5.6-7.3= 5.1-0.8= 5.3-5.1=5.1-5= 7.5-3.1= 5.4-1.2= 5.5-3.4= 7.3-2.3= 5.4-2.1= 7.3-5.2= 7.2-4.1= 7.3-1.6=口算天天练(9)姓名---------- 分数------------ 3.12+3.21= 4.12+1.23= 5.43+0.75= 8.21+5.12= 3.15+5.01= 4.52+6.80= 4.03+4.12=4.75+0.80= 0.21+5.61= 7.06+5.63= 5.31+0.61= 8.02+0.80=5.55+2.11= 4.09+2.01= 5.13+4.12= 4.60+0.08= 2.43+0.12= 7.23+7.01= 8.34+5.12= 7.23+9.01= 1.01+3.12= 3.54+0.01= 4.27+7.10= 4.01+4.15= 0.12+0.09= 0.14+0.23= 5.13+7.12= 4.14+3.02= 3.13+7.02= 8.31+0.31= 8.71+7.12=6.41+6.21= 8.04+5.02= 6.03+5.02= 5.21+5.21= 6.03+2.31= 4.12+0.23=2.13+4.12= 0.02+0.51= 0.54+2.01=3.02+8.02= 8.03+2.10=3.24+4.02= 8.23+2.21= 2.3+4.32=3.12+4.23= 7.02+3.01= 4.23+6.34=4.23+3.121= 4.53+5.23= 5.72+9.01=3.24+6.12=4.34+3.24= 6.43+4.43= 3.54+6.35= 6.23+6.24= 6.24+4.36=5.63+5.24= 4.25+5.04= 0.03+2.90=口算天天练(10)姓名---------- 分数--------------3.47+8.24= 5.32+6.15= 7.34+5.46=3.45+6.14= 2.13+3.45= 3.23+4.12=4.12+6.23=5.35+3.24=6.12+5.14= 6.01+0.10= 0.23+0.14= 0.14+0.46= 3.04+6.12= 4.01+5.23= 5.01+3.13= 2.34+4.34= 0.12+0.02= 0.23+4.23= 0.12+3.23= 0.23+0.04= 2.03+1.45=7.45+4.35= 2.34+3.01= 4.02+9.02= 0.91+0.91= 0.28+0.71= 0.31+0.13= 5.39+3.24= 4.38+0.23= 5.41+3.25= 1.24+4.13= 6.57+0.04= 0.45+6.34= 9.02+0.52= 3.43+0.80= 5.40+0.27= 0.35+0.26= 4.5+5.47= 4.25+2.79= 3.25+5.36= 5.46+6.47= 5.24+6.10= 0.52+0.30= 0.92+0.92= 0.34+8.01= 0.29+3.45= 6.23+4.23= 4.37+0.91= 0.28+0.91= 0.58+0.15= 6.03+9.04=4.76+3.20=5.20+0.25= 5.27+0.91=0.93+0.47= 5.26+9.12= 9.02+0.45=8.04+0.62= 2.34+0.37= 0.17+0.62=口算天天练(11)姓名------------- 分数----------------8.60-6.39= 8.49-6.31= 7.40-4.04= 7.68-6.50= 3.90-2.76=6.91-5.39= 6.97-5.97= 8.25-4.64= 8.78-0.52= 1.27-0.21= 8.42-7.04= 6.76-6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+5.61= 7.71-0.11= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75=6.67-2.72= 3.04+5.71= 1.73+4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72=口算天天练(12)姓名------------- 分数----------------6.78-1.84= 6.35-2.83= 0.6+7.50=7.57+6.82= 5.18+2.34= 8.74-6.93=1.05+9.02= 4.30-4.19= 4.94-2.06= 7.93-4.75= 6.03-2.94= 4.62+3.02=9.32+3.40= 5.43+3.23= 3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88= 4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50=9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36= 7.48-6.52=4.64-3.25=5.62+2.82=6.63+7.16=5.94-0.36= 8.80+7.97= 7.87+9.72=8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05=口算天天练(13)姓名------------- 分数----------------8.93-2.34= 6.72-0.35= 7.25-0.04= 8.95-4.26= 7.54-5.4= 4.73-3.25= 6.26-3.14= 5.36-2.10= 5.73-3.14= 5.79-3.14= 6.53-1.03= 8.12-4.32= 7.43-0.14= 7.52-4.12= 5.31-4.12= 9.04-3.02= 6.31-3.21= 5.92-4.14= 6.12-3.01= 7.29-4.01= 7.13-2.08= 8.64-3.41= 7.23-2.13= 5.23-1.23= 4.15-3.12= 7.12-3.12= 7.52-3.12= 7.43-4.12= 8.25-6.14= 7.16-0.4= 9.46-2.31= 9.75-4.24= 5.9-5.35=6.26-4.23= 5.34-3.21= 9.33-3.33= 5.34-2.32=7.43-4.23=6.23-4.15= 8.53-2.13= 6.13-4.23=7.23-2.01=8.42-0.01= 8.53-5.34= 7.32-1.09=9.87-6.24= 6.54-6.50= 8.63-5.43= 7.12-3.21= 7.41-4.12= 8.42-5.09=5.32-1.01= 5.21-0.21=6.30-0.02= 0.34-0.01= 8.43-4.21= 6.43-2.01=1.5+8.5= 5.4+8.2= 3.6+1.8= 3.3+7.9=2.4+6.8= 8.1+7.9= 14.3+1.4= 9.2+1.3= 1.6+3.9= 1.8+7.4= 15.4+3.6= 0.4+1.6=2.8+3.6=3.6+4.7= 6.5+1.9=0.6+0.7=1.5+3.8= 6.2+9.9= 11.5+11.4= 0.8+3.4= 4.4+1.7= 0.8+2.3=3.5+4.4=15.7+0.3=1.7+4=7.2+1.5=2.1+6.2=5.6+2.3=2.5+4.5=3.8+0.5=1.3+6.7=0.6+2.5=3.2+2.1=3.6+4.2=4.3+5.6=2.4+4.0=1.3+2.1=2.8+3.5=4.6+2.1=1.7+4.5=6.7+4.2=1.6+8.0=3.5+6.7=8.9+9.4=1.3+5=3.2+2.1=5.7+8.5=0.8+5.4=1.4+6.2=2+3.3=5.5+6.0=5.2+4.8=4.1+2.8=3.2+3.3=6.4+2.9=3.4+1.6=5.2+4.8=8.1+2.1=0.8+1.3=1.2+1.6=1.7+7.2= 6.8+9.1= 3.4+5.5= 0.8+5.1= 3.4+1.8= 1.1+3.5= 4.6+8.1= 4.5+1.2= 9.0+7.6= 1.9+3.4=4.5+5.5=5.6+5.4= 7.3+1.7= 0.9+3.5= 5.3+6.4= 4.6+7.8= 1.2+4.3= 4.2+2.1= 3.7+3.2= 1.4+2.4=8.1+0.5= 0.3+3.2= 6.3+2.5=4.6+1.4=0.9+0.8=0.5+0.3=3.5+7.8=1.1+12=3.5+7.3=9.8+4.5=5.6+7.6=3.4+1.9=4.5+2.3=5.7+8.4=1.8+0.9=5.8+9.8=1.3+5.7=8.9+4.5=1.6+0.5=4.5+7.5=3.6+6.2=6.5+6.1=3.5+7.6=7.5+7.1=0.7+4.3=5.1+0.5=5.3+5.1=7.8+2.4=4.5+7.1=4.1+7.2=0.9+0.6=9.7+8.6=8.6+4.3=0.9+4=2.6+3.5=6.7+1.4=6.3+6.2=6.3+5.1=8.9+0.3=5.5+1.7=8.7-3.5=3.2-2.1=8-3.2=10.2-6.2=6-0.4=8.3-7=4.7-4.3= 8.2-5.2= 2.6-0.8= 4.7-2.5= 8.4-0.6= 3.5-1.3= 3.5-3.4= 9.7-5.4= 7.1-0.2= 8.2-6.8= 6.9-2.5= 2.1-1.7= 6.8-2.9= 4.3-1.2= 6.9-1.2= 3.9-0.8= 1.5-0.8= 5.1-3.4= 3.4-2.3= 6.7-3.1= 8.3-3.3= 8.8-3.2= 12.3-4.5= 5.1-0.9= 1.2-0.3= 4.2-0.1=7.8-3= 2.2-0.6=8.9-5.4= 2.7-1.2= 8.5-7.6= 5.2-0.9= 6.2-2= 8.4-6.2= 6.3-4.1= 3.2-1.9= 7.1-5.4=9.8-5.4= 8.4-4.2= 3.8-0.2= 7.9-0.1= 6.7-6.4= 1.2-0.9= 1.4-0.7= 3.4-1.2= 5.3-3.2= 5.1-2 = 6.7-3.4= 9.6-5.2= 6.7-2.9= 7.1-4.8= 5.3-2.7= 2.6-0.5= 7.5-7.2= 4.3-0.1=6.1-3.0= 6.5-2.2= 70-0.5= 4.3-2.3= 6.2.-1.4= 4.5-1.2= 8.6-5.3= 3.7-1.5=7.3-4.1= 7.4-2.4= 3.1-1.8=8.2-7.1= 8.6-3.6=9.6-2.2=5.4-3.2= 8.4-5.1=6.2-3.2= 3.1-0.2= 3.7-1.7= 4.3-2.1= 6.4-1.9= 4.5-2.7= 9.5-2.3= 6.7-2.1= 8.4-7.4= 6.3-2.4= 3.7-2.7= 7.5-4 = 2.3-1= 6.3-2.6= 2.4-0.5= 3.2-1.1=5.2-1.6= 7.3-2.6= 5.4-1.2= 7.4-6.3=5.1-3.4=6.2-4.1=7.5-3.7= 7.4-3.5= 5.3-5= 6.4-5.2=8.3-5.1= 7.2-5.1= 5-2.3= 6.5-4.3= 7.1-4.3= 5.6-7.3= 5.1-0.8= 5.3-5.1= 5.1-5= 7.5-3.1= 5.4-1.2= 5.5-3.4=7.3-2.3= 5.4-2.1= 7.3-5.2= 7.2-4.1= 7.3-1.6=3.12+3.21=4.12+1.23=5.43+0.75= 8.21+5.12=3.15+5.01=4.52+6.80= 4.03+4.12= 4.75+0.80= 0.21+5.61= 7.06+5.63= 5.31+0.61= 8.02+0.80= 5.55+2.11=4.09+2.01=5.13+4.12= 4.60+0.08= 2.43+0.12= .23+7.01=8.34+5.12=7.23+9.01=1.01+3.12=3.54+0.01=4.27+7.10=0.12+0.09= 0.14+0.23= 5.13+7.12= 4.14+3.02= 3.13+7.02= 8.31+0.31= 8.71+7.12= 6.41+6.21= 8.04+5.02= 6.03+5.02=5.21+5.21=6.03+2.31= 4.12+0.23= 2.13+4.12= 0.02+0.51= 0.54+2.01= 3.02+8.02= 8.03+2.10=3.24+4.02=8.23+2.21=2.3+4.32=3.12+4.23=7.02+3.01= 4.23+6.34= 4.23+3.121=4.53+5.23=3.24+6.12=4.34+3.24=6.43+4.43=3.54+6.35=6.23+6.24=6.24+4.36=5.63+5.24=4.25+5.04=0.03+2.90=3.47+8.24=5.32+6.15=7.34+5.46= 3.45+6.14=2.13+3.45=3.23+4.12=4.12+6.23=5.35+3.24=6.12+5.14= 6.01+0.10= 0.23+0.14= 0.14+0.46=3.04+6.12=4.01+5.23=5.01+3.13= 2.34+4.34= 0.12+0.02= 0.23+4.23= 0.12+3.23= 0.23+0.04= 2.03+1.45= 7.45+4.35= 2.34+3.01= 4.02+9.02=0.91+0.91=0.28+0.71=0.31+0.13=4.38+0.23=5.41+3.25= 1.24+4.13=6.57+0.04= 0.45+6.34= 9.02+0.52= 3.43+0.80= 5.40+0.27= 0.35+0.26=4.5+5.47=4.25+2.79= 3.25+5.36=5.46+6.47=5.24+6.10=0.52+0.30= 0.92+0.92= 0.34+8.01= 0.29+3.45= 6.23+4.23= 4.37+0.91= 0.28+0.91= 0.58+0.15= 6.03+9.04=4.76+3.20=5.20+0.25= 5.27+0.91=5.26+9.12= 9.02+0.45= 8.04+0.62= 2.34+0.37= 0.17+0.62= 8.60-6.39= 8.49-6.31=7.40-4.04= 7.68-6.50= 3.90-2.76= 6.91-5.39= 6.97-5.97=。
北师大版数学五年级下册数学计算天天练100题及答案
北师大版数学五年级下册数学计算天天练100题及答案北师大版数学五年级下册数学计算天天练100题一、选择题:1. ( ) 207 ÷ 9 =A. 23B. 19C. 21D. 242. ( ) 253 - 198 =A. 55B. 45C. 65D. 353. ( ) 65 × 4 =A. 260B. 250C. 270D. 2804. ( ) 293 × 3 =A. 879B. 897C. 876D. 8865. ( ) 387 ÷ 7 =A. 56B. 54C. 58D. 526. ( ) 427 + 196 =A. 613B. 623C. 633D. 6437. ( ) 628 - 253 =A. 375B. 375C. 475D. 4758. ( ) 546 ÷ 6 =A. 91B. 90C. 93D. 929. ( ) 146 × 8 =A. 1168B. 1156C. 1176D. 118610. ( ) 594 + 253 =A. 747B. 737C. 757D. 767二、填空题:1. 197 + 285 = _______2. 389 - 148 = _______3. 26 × 9 = _______4. 372 ÷ 6 = _______5. 547 + 182 = _______6. 848 - 351 = _______7. 49 × 7 = _______8. 513 ÷ 9 = _______9. 131 × 5 = _______10. 678 + 196 = _______三、计算题:1. 小明买了3张电影票,每张票的价格是25元,他付了多少钱?2. 一箱石榴有8袋,每袋有12个,共有多少个石榴?3. 一辆公共汽车每天开100公里,一周共开多少公里?4. 铅笔一把有10支,小明买了4把铅笔,一共买了多少支铅笔?5. 爸爸有365元,妈妈有630元,他们两个一共有多少钱?四、解答题:1. 有一束鲜花,小明送了其中的2/5,小红送了花的三分之一,还剩下多少?2. 四年级有200名学生,其中1/4是男生,其余是女生,女生有多少人?3. 小华种了40棵树,其中1/5是苹果树,1/8是梨树,剩下的是桃树,桃树有多少棵?4. 一打香蕉有12个,小明买了3打香蕉,他买了多少个香蕉?5. 某市有9600辆公交车,其中1/8是红色的,1/6是绿色的,剩下的是黄色的,黄色的公交车有多少辆?答案:一、1. D 2. A 3. C 4. B 5. C 6. B 7. A 8. A 9. A 10. A二、1. 482 2. 241 3. 234 4. 62 5. 729 6. 497 7. 343 8. 57 9. 655 10. 874三、1. 75元 2. 96个 3. 700公里 4. 160支 5. 995元四、1. 剩下的花束是 3/10 2. 女生有 150 3. 桃树有 29 棵 4. 小明买了 36 个香蕉 5. 黄色的公交车有 6,400 辆。
人教版四年级下册小数加减乘运算题
人教版四年级下册小数加减乘运算题题目一
小明去超市买了三个苹果,每个苹果的重量都是0.5千克。
他把这些苹果放在一个袋子里。
如果这些苹果的总重量是多少?
答案:总重量是1.5千克。
题目二
小红有2.5元钱,她买了一支铅笔花费了0.75元。
她还剩下多少钱?
答案:她还剩下1.75元。
题目三
小强参加了一个游戏,他答对了5道题目,每道题目得分0.2分。
他一共得了多少分?
答案:他一共得了1分。
题目四
小华每天都喝一瓶250毫升的果汁。
他喝了一周的果汁一共有多少毫升?
答案:一周的果汁一共有1750毫升。
题目五
小李参加了一个自行车比赛,他用了2小时骑行了30公里。
他的平均速度是多少千米/小时?
答案:他的平均速度是15千米/小时。
题目六
小明和小红一起做了一个实验,他们的实验总用时是 1.5小时。
如果小明用了0.75小时,那么小红用了多少小时?
答案:小红用了0.75小时。
以上是人教版四年级下册关于小数加减乘运算的题目。
希望能
对你有所帮助!。
小学五年级口算、速算天天练
小学五年级口算、速算天天练练20 二、小数除法18?6 , 3 6.4?0.8 , 8 0.47×10×0.1 , 0.4730?0.6 , 50 4.2?0.3 , 14 32.8?100?0.1 , 3.2810 , 0.25 0.9?3 , 0.3 0.32?10?0.01 , 3.2 2.5?10.6?10 , 1.06 6?12 , 0.5 7.2?6×50 , 6023 , 0.2 0.56?1.4 , 0.4 4.2?14×0.9 , 0.27 4.6?1.2?6 , 0.2 1.6?8 , 0.2 3.9?39?0.1 , 10.05?5 , 0.01 6.3?9 , 0.7 0?8.24×0.52 , 01.6?4 , 0.4 5.7?3 , 1.92.7?90×100 , 33 , 0.04 0.04?4 , 0.01 15?2×6.06 , 45.45 0.12?1.6?8 , 0.2 6.2?3.1 , 2 0.9×10?2 , 4.55.4?1.8 , 3 0.92?4 , 0.23 1.5?3×20.2 , 10.10.45?15 , 0.03 6.3?21 , 0.3 0.09,0.06,0.85 , 16?5 , 1.2 0.32?16 , 0.02 0.42?7×50 , 30.76?4 , 0.19 2.8?4 , 0.7 1.8?9×4.01 , 0.8020.25?5 , 0.05 7.5?5 , 1.5 23.4?100?0.01 , 23.4解决问题:猎豹奔跑的速度是每小时100千米,平均每分钟奔跑多少千米,(得数保留三位小数)100?60 ? 1.667 (千米)答:猎豹平均每分钟奔跑1.667千米。
数奥同步学答案王老师乘出租车去书市。
出租车在3千米以内收7元,以后每千米按1.4元收费。
计算天天练:小数乘除法巧算-数学五年级上册北师大版(含答案)
计算天天练:小数乘除法巧算-数学五年级上册北师大版 1.计算下面各题,能简算的要简算。
32×0.25×12.5 3.6÷[1.5×(3.4-2.6)] 7.56×7.2+2.44×7.22.计算下面各题,怎样简便就怎样计算76÷0.25÷4 2.03×0.4+2.03×9.6 [8.5-(3.6+3.6)]÷2.63.脱式计算。
4.68÷4.5×0.75 8.4×0.26+0.74 3.06÷(21.2-4.2)4.脱式计算。
(能简算的要简算)3.6÷0.4-1.2×5 (8.56-4.6)÷4.45.7×6.9 +4.3×6.95.怎样算简便就怎样算。
17.617.6 2.2-÷ ()0.7 2.050.850.15⨯-÷⎡⎤⎣⎦5.62101 5.62⨯- ()81.4 3.9 2.54-÷÷6.计算下面各题,能简算的要简算。
4.35×99×2+8.7 (1.67+1.67+1.67+1.67)×2.5 8.4÷[0.32×(16.4+33.6)]7.脱式计算(能简算的要简算)。
1.25×3.9×0.8 14.6×5.2-5.2×4.6 5.74÷(10-4×0.45)8.简便方法计算。
0.82×101-0.82 1.27+5.8-1.8+0.73 1.25×6.8×0.89.合理灵活地计算下面各题。
1.25×3.2×0.8 3.74×8.3+1.7×3.74 (34.7-17.5)×(0.54÷0.9)8.5-10.5×0.8 8.4÷0.21÷0.5 7.29×4.6+46×1.27110.计算下面各题,能简便计算的要简算。
北师大版数学五年级下册数学计算天天练100题
北师大版数学五年级下册数学计算天天练100题一、整数的计算1. 用两个负整数相加:(-5) + (-8) =2. 用一个正整数和一个负整数相减:9 - (-3) =3. 用一个正整数和一个负整数相加:14 + (-7) =4. 用两个正整数相减:25 - 11 =5. 计算:(-18) + 12 - (-5) =二、分数的计算1. 计算:2/3 - 1/4 =2. 计算:5/6 + 2/9 =3. 计算:3/4 - 1/8 =4. 将分数转化为小数:4/5 =5. 将小数转化为分数:0.75 =三、小数的计算1. 将小数相加:3.2 + 4.15 =2. 将小数相减:5.6 - 2.45 =3. 将小数相乘:1.5 × 2.4 =4. 将小数相除:3.6 ÷ 1.8 =5. 计算:4.2 + 3.14 - 0.9 =四、面积和周长的计算1. 计算一个长方形的面积:长为5cm,宽为3cm,面积为多少?2. 计算一个正方形的面积和周长:边长为3m,面积和周长分别是多少?3. 计算一个圆的面积和周长:半径为2.5cm,面积和周长分别是多少?4. 计算一个三角形的面积:底边长为6cm,高为4cm,面积为多少?5. 计算一个长方体的体积:长为3m,宽为2m,高为2.5m,体积为多少?五、容量的计算1. 将1升表示为毫升:1升 = ______毫升。
2. 将700毫升表示为升:700毫升 = ______升。
3. 估算一个杯子的容量:高10cm,直径6cm,容量约为多少毫升?4. 将2.5升加上900毫升:2.5升 + 900毫升 = ______升。
5. 将4升减去2.7升:4升 - 2.7升 = ______升。
六、长度的计算1. 将1米表示为厘米:1米 = ______厘米。
2. 将120厘米表示为米:120厘米 = ______米。
3. 将5千米表示为米:5千米 = ______米。
小学5年级小数乘法提速计算秘籍--天天练
小学5年级小数乘法提速计算秘籍--天天练序号日期所用时间错题1 6.62×0.47= 5.92×0.618=2 3.14×0.18= 3.86×0.252=37.51×0.52=7.41×0.75=48.22×0.01= 5.36×0.435=5 2.33×0.86= 2.84×0.953=6 6.83×0.49= 4.77×0.832=78.42×0.47= 3.73×0.671=8 2.55×0.48= 6.2×0.582=9 2.63×0.2= 1.61×0.467=100.18×0.38=8.89×0.622=序号日期所用时间错题19.29×0.4= 3.17×0.393=2 4.62×0.28=8.67×0.525=37.92×0.66=8.21×0.787=40.1×0.07= 2.1×0.32=57.32×0.58=0.34×0.748=6 3.92×0.6=0.85×0.523=77.71×0.25= 1.42×0.638=80.37×0.08=9.93×0.142=9 3.7×0.38= 3.26×0.988=10 2.05×0.17=0.5×0.359=序号日期所用时间错题1 6.05×0.34= 1.62×0.2=40.73×0.42= 6.01×0.228=50.26×0.92=8.42×0.92=68.54×0.27= 5.89×0.719=70.4×0.87= 6.51×0.577=88.49×0.32= 5.64×0.522=9 6.5×0.38= 3.39×0.524=100.03×0.22= 3.08×0.629=序号日期所用时间错题1 5.79×0.41=0.47×0.051=2 5.24×0.89= 4.27×0.586=3 1.54×0.46= 3.52×0.353=4 6.04×0.04=0.35×0.574=5 3.65×0.9= 1.98×0.293=69.12×0.31=7.4×0.481=7 1.81×0.75= 3.93×0.586=8 1.45×0.12= 1.17×0.386=97.74×0.2= 4.04×0.588=10 5.73×0.76=7.81×0.602=序号日期所用时间错题10.66×0.26=7.05×0.16=2 2.06×0.25=4×0.788=38.82×0.98= 2.59×0.124=4 6.42×0.13=8×0.5=5 2.39×0.8=8.33×0.01=6 4.03×0.35= 1.52×0.854=9 6.11×0.25=7.43×0.914=100.99×0.19=7.79×0.952=序号日期所用时间错题1 4.93×0.68= 4.44×0.114=2 4.73×0.49= 6.97×0.162=310×0.83= 2.41×0.954=4 4.59×0.19=9.01×0.76=50.82×0.88=0.1×0.25=68.94×0.51=0.34×0.255=7 1.91×0.14= 2.78×0.123=8 6.56×0.52=0.38×0.899=9 4.73×0.17=0.8×0.272=10 6.91×0= 3.58×0.246=序号日期所用时间错题1 4.93×0.88=7.27×0.508=21×0.64= 4.25×0.304=39.76×0.57=9.81×0.2=47.33×0.13= 6.76×0.049=50.04×0.43=0.3×0.094=67.45×0.79= 2.78×0.43=78.7×0.52= 2.84×0.185=88.59×0.41= 6.68×0.281=9 6.1×0.21= 3.67×0.358=10 1.86×0.31=0.28×0.177=序号日期所用时间错题3 5.61×0.1= 5.18×0.934=4 4.5×0.76=5×0.53=58.18×0.9= 2.84×0.114=6 4.79×0.8= 2.63×0.217=7 3.34×0.65=8.26×0.021=8 1.37×0.12= 1.01×0.152=90.03×0.37=9.77×0.579=10 5.04×0.4=7.04×0.559=序号日期所用时间错题1 6.13×0.33=9.5×0.678=2 3.26×0.58=9.64×0.146=39.3×0.79=8.31×0.492=4 1.86×0.73= 3.45×0.655=57.79×0.81= 5.94×0.542=60.29×0.56=0.85×0.859=7 6.69×0.35= 2.6×0.651=8 3.58×0.67= 6.5×0.885=97.16×0.17=0.14×0.321=10 1.82×0.48=0.1×0.788=序号日期所用时间错题1 2.78×0.25=9.6×0.416=2 4.72×0.23=7.82×0.798=3 6.69×0.21= 6.41×0.43=4 5.54×0.49= 1.22×0.357=5 1.41×0.87= 6.69×0.169=88.85×0.57=9.88×0.654=98.93×0.25=9.82×0.875=10 2.26×0.44= 6.42×0.687=序号日期所用时间错题1 4.37×0.86= 1.79×0.422=20.57×0.06= 5.83×0.016=3 5.4×0.64= 3.79×0.246=47.41×0.74= 4.2×0.378=5 6.83×0.87= 4.94×0.825=6 3.67×0.48=7.28×0.585=7 4.32×0.63= 1.73×0.338=8 1.86×0.16= 4.99×0.158=9 6.27×0.9=8.62×0.464=10 6.14×0.91=7.89×0.287=序号日期所用时间错题1 5.75×0.52= 2.72×0.5=29.54×0.62=7.91×0.984=3 4.66×0.4= 6.16×0.403=4 4.6×0.27=8.64×0.067=5 5.81×0.56=9.78×0.665=6 5.66×0.71= 6.45×0.965=7 1.69×0.01=0.01×0.834=88.62×0.28= 6.42×0.501=9 2.76×0.28= 6.39×0.261=10 1.29×0.49=8.31×0.76=2 6.23×0.93=7.62×0.599=3 6.47×0.23= 3.11×0.553=48.5×0.74=8.76×0.056=5 6.2×0.58= 5.2×0.181=6 6.02×0.78= 2.32×0.522=78.6×0.62= 3.84×0.083=8 6.49×0.42= 1.06×0.541=9 2.53×0.27=9.42×0.374=10 5.24×0.7= 2.4×0.813=序号日期所用时间错题17.23×0.97=0.3×0.255=2 5.74×0.81=9.17×0.481=30.81×0.08= 6.36×0.674=48.28×0.84= 5.13×0.689=58.12×0.03=8.84×0.4=6 5.24×0= 5.4×0.051=7 2.67×0.26= 4.2×0.775=8 1.67×0.09=8.42×0.924=99.86×0.37= 1.98×0.638=10 2.12×0.79= 4.15×0.403=序号日期所用时间错题18.38×0.24= 4.5×0.921=20.92×0.25= 6.97×0.485=3 6.83×0.87=9.49×0.484=4 6.64×0.27=7.18×0.924=7 3.59×0.52=8.1×0.517=8 6.2×0.54=9.18×0.39=9 3.09×0.4=8.09×0.387=109.24×0.41=0.07×0.385=序号日期所用时间错题1 5.2×0.1=0.45×0.774=2 3.47×0.11=7.5×0.398=38.24×0.53=8.1×0.223=48.96×0.6=7.32×0.688=5 2.8×0.95= 2.71×0.929=6 1.3×0.42= 4.52×0.929=7 2.07×0.52= 6.27×0.009=8 2.62×0.79= 4.77×0.672=9 4.12×0.61=9.23×0.153=107.01×0.89= 5.29×0.183=序号日期所用时间错题1 4.85×0.13=2×0.915=2 3.19×0.09=9.72×0.129=38.65×0.1= 4.26×0.795=4 4.78×0.48= 1.41×0.975=5 6.25×0.1= 1.05×0.797=6 1.39×0.34= 6.06×0.101=7 3.69×0.01=8.15×0.474=88.18×0.79=0.2×0.767=98.5×0.04= 3.57×0.555=序号日期所用时间错题1 6.3×0.23= 1.05×0.577=28.93×0.87= 1.78×0.541=38.15×0.75= 5.47×0.202=49.34×0.65= 4.64×0.059=50.6×0.79= 4.89×0.289=6 6.5×0.6=7.28×0.066=7 3.14×0.34=7.59×0.62=8 6.89×0.64= 5.59×0.333=9 3.61×0.25= 1.63×0.984=107.51×0= 2.88×0.085=序号日期所用时间错题17.8×0.92=8.96×0.884=20.53×0.94=8.58×0.78=39.11×0.11= 1.15×0.49=4 1.89×0.46= 4.01×0.272=57.1×0.57=8.58×0.245=6 4.69×0.76= 3.07×0.852=79.15×0.67= 1.92×0.867=8 4.3×0.1=8.08×0.54=9 2.03×0.62= 1.98×0.25=108.1×0.81= 6.33×0.459=序号日期所用时间错题1 3.03×0.88=8.02×0.477=28.46×0.59= 5.57×0.058=3 6.57×0.9=8.34×0.012=5 1.42×0.55= 4.69×0.746=6 2.5×0.36=0.29×0.133=78.17×0.24=8.8×0.522=80.76×0.45= 3.79×0.732=97.31×0.63= 1.39×0.054=10 2.26×0.68= 6.92×0.556=序号日期所用时间错题1 1.15×0.31= 2.18×0.952=2 3.22×0.45= 1.44×0.693=3 1.03×0.28=0.59×0.362=4 5.7×0.27=8.28×0.938=50.42×0.3= 4.44×0.963=6 4.61×0.81= 3.55×0.143=7 2.44×0.54= 4.64×0.623=80.01×0.99= 2.75×0.028=98.39×0.79= 2.94×0.271=10 1.24×0.44=7.6×0.601=序号日期所用时间错题1 3.24×0.82=0.75×0.519=27.41×0.44= 6.54×0.483=39.06×0.96=0.65×0.629=48.69×0.12= 5.33×0.44=57.63×0.13=0.9×0.692=6 2.59×0.76= 4.9×0.083=7 2.66×0.35= 4.5×0.229=8 1.12×0.73= 2.53×0.682=100.92×0.03= 5.09×0.205=序号日期所用时间错题19.98×0.41=9.36×0.392=20.57×0.54=0.31×0.37=30.77×0.6=7.16×0.763=47.03×0.62= 3.77×0.43=50.68×0.4=7.87×0.823=6 3.55×0.62= 4.97×0.99=7 2.77×0.74=9.93×0.569=8 5.07×0.65= 5.3×0.713=90.19×0.52= 2.09×0.349=10 1.57×0.45=8.16×0.49=序号日期所用时间错题18.77×0.75= 1.57×0.612=29.22×0.55= 1.06×0.287=3 3.71×0.12=8.79×0.064=49.84×0.15=8.13×0.458=5 2.95×0.95= 2.38×0.048=6 5.5×0.05= 6.35×0.904=7 6.32×0.04=3×0.933=8 2.15×0.21=0.59×0.92=90.79×0.81= 6.96×0.847=100.07×0.97=9.29×0.353=序号日期所用时间错题1 6.1×0.26=8.24×0.51=2 5.05×0.67= 1.95×0.177=59.34×0.1= 6.84×0.062=6 3.36×0.21=4×0.987=7 6.73×0.56= 6.85×0.197=8 6.79×0.4= 2.56×0.552=99.96×0.35=8.6×0.33=10 1.35×0.03= 6.93×0.342=序号日期所用时间错题18.44×0.2=0.02×0.901=28.2×0.32= 4.64×0.643=38.63×0.97=7.55×0.236=4 5.95×0.63= 4.07×0.61=5 1.38×0.78= 1.19×0.428=6 2.28×0.06=0×0.891=7 2.11×0.07= 4.22×0.904=8 5.84×0.39=0.41×0.275=9 1.67×0.97=7.37×0.133=10 2.91×0.23=7.33×0.559=序号日期所用时间错题1 5.36×0.76=9.08×0.8=2 3.11×0.83= 2.42×0.329=3 6.61×0.23= 1.28×0.158=4 2.94×0.6=9.62×0.161=5 6.67×0.31= 2.63×0.434=67.35×0.5= 5.92×0.864=7 6.01×0.12= 2.94×0.479=108.04×0.48= 1.75×0.797=序号日期所用时间错题1 2.97×0.76= 5.69×0.402=29.38×0.36= 4.89×0.589=3 6.85×0.76=8.12×0.185=4 3.63×0.2= 3.57×0.646=59.7×0.58=0.3×0.883=6 3.01×0.43= 2.86×0.85=77.44×0.39= 1.99×0.363=88.5×0.57=0.9×0.884=9 4.87×0.8= 2.2×0.991=10 4.28×0.92= 6.28×0.888=序号日期所用时间错题1 4.09×0.65= 4.8×0.838=2 2.73×0.42=9.27×0.37=3 3.18×0.77= 6.14×0.549=4 1.9×0.1= 5.54×0.921=5 5.62×0.27= 4.73×0.975=67.97×0.49=7.5×0.412=7 5.6×0.86=9.32×0.098=89.05×0.76= 4.79×0.918=9 1.88×0.1= 1.73×0.202=10 5.98×0.08= 6.37×0.962=序号日期所用时间错题18.87×0.13=7.55×0.538=48.85×0.45=8.06×0.112=5 5.61×0.21=9.64×0.528=6 6.98×0.23=0.18×0.487=7 3.5×0.27= 6.97×0.084=8 1.75×0.81= 2.71×0.845=9 5.96×0.34=7.62×0.83=10 2.23×0.17= 4.89×0.428=序号日期所用时间错题13×0.59=0.25×0.794=27.86×0.49=0.99×0.828=3 3.22×0.14=10×0.66=4 3.35×0.12= 2.41×0.082=50.51×0.78=0.78×0.975=6 2.21×0.17=9.35×0.258=70.94×0.92=7.34×0.851=8 5.11×0.52= 4.75×0.976=9 2.29×0.35= 2.38×0.254=108.42×0.83= 4.18×0.945=序号日期所用时间错题19.08×0.44= 3.18×0.469=27.62×0.51=9.03×0.491=3 3.4×0.13= 5.99×0.529=4 1.34×0.61= 6.98×0.536=57.86×0.71= 6.97×0.299=6 6.37×0.6=8.7×0.518=9 4.64×0.81=8.07×0.81=10 1.02×0.57=9.56×0.273=。
精选 《小数加减混合运算》5·3天天练完整教学课件PPT
=3.06-2.34
=7.97
=0.72
12.65+3.27-9.5
=15.92-9.5 =6.42
22.9-9.46+15.66 =13.44+15.66 =29.1
5.18-(2.36+1.24) =5.18-3.6 =1.58
34.1-(5.6-2.39) =34.1-3.21 =30.89
4.解决问题。 〔1〕小丽家用环保油漆装修,一桶油漆连桶共重4.65kg,用去一半 后,连桶还重2.55kg。桶里原来有油漆多少千克?
4.65-2.55=2.1〔kg〕 2.1+2.1=4.2〔kg〕 答:桶里原来有油漆4.2kg。
〔2〕这些动物能同时过河吗?
109kg
1.1t 170 kg 15 kg 250 kg
限载重1.8t
109kg=0.109t 170kg=0.17t 15kg=0.015t 250kg=0.25t 0.109+1.1+0.17+0.015+0.25=1.644〔t〕 1.644t<1.8t 答:这些动物能同时过河。
5.用彩笔在图中画出不同颜色的三条线,使各条线上所有数的和分 别满足以下条件。
〔1〕正好等于4。 0.32+1.3+2.38=4
〔2〕最接近25。 15.73+1.3+8.27=25.3
〔3〕最大。 15.73+15.62+2.38=33.73
1.填一填。 〔1〕没有括号的小数加减混合运算的算式按照〔 从左到右〕的顺序计 算。 〔2〕计算14.26+10.35-9.4时,要先算〔 加 〕法,再算〔 减 〕 法,最后结果是〔 15.21 〕。
2.下面的计算对吗?〔对的画“√〞,错的画“×〞,并改正〕
〔1〕7.5-2.4-1.3
〔2〕52.9-〔7.8+6.4〕
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计算天天练
(验算)19.76÷5.2 (验算) 72÷15 1.26÷18
计算天天练(二)
计算下列图形的面积。
计算天天练(三)
0.65×101-0.65 3.7+6.3÷9×0.5 6.8×0.75÷0.5
计算天天练(四)
已知三角形的面积是12.12dm 2,高是 6dm ,求它的底。
计算天天练(五)
41.62÷1.2 12.71÷1.8 4÷1.5
2.2分米
3分米
3.8分米
4厘米 2厘米
3m
2.5m
已知平行四边形的面积是24.6cm 2,底是12dm ,求它的高。
一个梯形的上底是 6.5cm,下底比上底长1.5cm ,高是4cm,求它的面积面积。
计算天天练(一)
已知三角形的面积是16.16dm2,底是
8dm,求它的高。
计算天天练(二)
8.5÷0.25×4 1.125÷0.25÷4 2.6×7÷2.6×7
计算天天练(三)
已知平行四边形的底是6dm,已知梯形的周长是450米,求梯形的面积。
高4dm,求阴影部分的面积。
计算天天练(四)
72÷ 15 6.3÷14 16.7÷0.25
计算天天练(五)
计算下列图形的面积。
(单位:cm)
4.5
3.2 3
4
5
2.3
5
3.2
4 4
已知平行四边形的面积是36.6cm2,底
是12dm,求它的高。
一个梯形的面积是18㎡,
高是2m,上底是3m,求它的
下底。