1.小数乘法-【口算10000题】2026-2027学年五年级上册数学口算训练（人教版）

用时 分钟 Q打卡第1天 正确率 基础练习 易错练习 计算 计算○ 5×0.2= 38×0.02= 4×2.5= 91.5×100= 8×0.5= 20.7×4= 3×0.4= 4.7×12= 7×0.3= 20×3.8= 2×0.7= 0.3×4= 8×0.125= 1.3×4= 4×0.5= 0.12×7= 25×9.5= 15×2.5= 8×4.5= 1.7×8= 8×0.7= 0.7×4= 5×1.7= 100×0.07= 1×0.45= 0.05×16= 12×0.25= 13.5×2= 4×6.4= 9.5×6= 10×8.6= 0.46×5= 12×0.5= 3.05×5= 100×0.8= 7×0.15= 4×0.9= 6×4.02= 45×0.2= 4×20.3= 41×0.01= 21×0.6= 90×0.5= 1.6×12= 35×0.2= 0.59×30= 70×0.7= 2.11×7= 700×0.08= 1.4×30= 思 维 学校要给一张长25分米、宽1米的长方形会 元，买这块玻璃需要多少元？ 《小数乘法 用时 分钟 Q打卡第2天 正确率 基础练习 易错练习 计算 比大小 0.43×3= 3.3×7○25 0.3×90= 3.5×2○8 0.8×4= 0.4×6○3 3.7×5= 1.6×9○15.4 1.4×3= 7.1×4○26.4 0.12×5= 5×9.3○48 1.7×3= 6×4.7○23.2 4.5×2= 3.9×5○18.5 6.5×100= 2.5×9○21.5 0.3×12= 6.3×5○31.5 0.3×1.5= 3×7.3○20.9 3.4×5= 7.5×8○80 4.3×2= 4.8×2○0.69 9.4×2= 9×0.47○4.32 10.4×5= 6.18×6○37 9.4×3= 2.72×9○23.48 2.4×3= 4×0.13○0.32 11.2×3= 2.32×8○18.26 0.8×8= 9×0.48○4.42 2.6×3= 5×0.62○3.2 6.3×10= 9×0.23○2.07 2.5×5= 9.1×50○445 6.5×3= 6×6.06○36.63 7.5×30= 2.3×16○38.8 0.8×12= 12×0.36○4.82 拓 展 议桌铺上一块玻璃，每平方米玻璃的售价是32 口算10000题·5年级·上册 9用时 分钟 用时 分钟 Q打卡第3天 正确率 Q打卡第4天 正确率 基础练习 易错练习 基础练习 易错练习 计算 计算 计算 比大小○ 6×3.2= 31×0.27= 20.8×30= 1.6×9○16.4 5×1.8= 22×4.5= 2.8×100= 4.7×6○28.8 5×2.4= 0.75×6= 7.2×10= 7×0.4○3.8 15×0.6= 20.2×4= 1.9×20= 5.9×3○17.3 8×0.4= 8×0.24= 3.2×5= 9.4×7○64.8 5×1.3= 2.3×5= 12.5×4= 2.9×6○16.4 4×1.5= 1.2×30= 15.4×10= 2.7×9○16.3 2×0.44= 0.36×5= 2.1×2= 6.3×5○31.5 5×1.1= 0.78×2= 2.5×2= 3.3×7○22.1 3×0.3= 2×0.25= 8.5×4= 4.1×3○11.3 40×0.5= 0.12×20= 8.7×3= 3.2×7○21.4 76×0.5= 0.9×8= 6.6×5= 2×4.8○10.6 70×2.5= 5.5×4= 3.54×10= 5×4.3○22.5 5×2.5= 2.6×6= 0.11×10= 7.5×6○55 40×0.08= 2.1×8= 1.43×4= 2×8.3○17.6 10×2.33= 0.02×30= 7.6×50= 4.3×9○36.7 28×0.2= 4.3×3= 2.5×7= 9.8×4○39.6 15×0.7= 0.9×70= 0.5×12= 6.18×6○38 16×0.5= 8.5×30= 2.6×8= 0.2×96○20.2 10×1.2= 10.8×5= 3.9×5= 5.6×60○326 18×0.5= 30×1.5= 4.2×6= 2.25×2○5.5 3×3.5= 3.4×20= 1.58×10= 8.1×6○45 17×0.4= 0.28×6= 6.9×2= 60×0.6○36 12×0.8= 2.7×4= 7.8×1= 2.3×20○56 56×0.9= 6.2×9= 1.8×6= 0.08×5○2.4 思 维 拓展 男孩一般每千克体重内含血液0.077千克，小明体重34千克，他体内含血液多少千克？ 2 9用时 分钟 Q 打卡第5天 正确率 基础练习 易错练习 计算○ 计算 10×3.6= 127×0.15= 8×1.25= 72×0.35= 22×0.5= 1.25×1.4= 8×8.9= 20.4×82= 15×0.2= 128×2.5= 12×0.8= 0.25×4= 21×0.4= 2.2×4= 15×0.6= 4.1×8= 5×1.46= 20×0.5= 5×3.6= 0.07×6= 8×0.14= 1.8×2= 5×0.21= 1.16×4= 6×2.5= 0.7×6= 6×7.5= 3.3×9= 7×3.2= 2.8×6= 20×2.4= 0.85×6= 12×0.7= 4.3×5= 40×11.2= 2.8×40= 24×0.3= 0.4×7= 8×1.5= 30×3.5= 6×0.95= 1.1×2= 2×2.6= 1.8×3= 4×5.1= 0.33×6= 6×5.3= 0.25×8= 8×22.5= 1.6×6= 思 维 1千克西瓜3.2元，妈妈买了6千克西瓜，花了 《小数乘法 用时 分钟 Q 打卡第6天 正确率 基础练习 易错练习 计算○ 比大小○ 0.08×13= 7.2×8○56.6 4.2×18= 8.5×6○73 1.04×9= 6.5×3○26.5 3.46×2= 30×0.8○34 1.8×6= 35×0.4○14 0.04×10= 25×0.6○1.5 7.5×8= 7.6×10○7.6 1.36×2= 1.5×18○17 1.6×100= 12.5×4○60 1.2×5= 10×0.7○8 4.2×1= 19.9×2○38.8 4.4×7= 23.1×9○247.9 2.4×5= 64×0.5○32 1.7×7= 92.3×7○656.1 6.9×2= 11.2×8○89.8 3.6×2= 44.6×5○213 7.2×4= 13.9×2○28 0.8×7= 23.1×4○94 8.1×2= 32×0.9○26.8 1.5×7= 64×0.3○19.2 2.2×6= 13×0.7○10.1 4.3×4= 71.2×3○214.6 5.1×7= 64.5×8○616 0.12×4= 18.6×4○72.4 8.1×7= 127×0.1○12.7 拓 展 多少元？ 60 3 口算10000题·5年级·上册 用时 分钟 用时 分钟 Q打卡第7天 正确率 Q打卡第8天 正确率 基础练习 易错练习 基础练习 易错练习 计算 计算 计算 计算 6.55×6= 9.2×4= 3.02×20= 4.2×6= 1.67×4= 9.3×20= 2.15×6= 5.7×4= 3×2.3= 9.4×8= 12.8×4= 5.8×600= 2×5.49= 9.5×3= 2.31×20= 5.9×70= 5.45×6= 9.6×4= 7×5.7= 6.1×900= 38×0.02= 9.8×7= 6.3×10= 8.7×900= 0.69×20= 9.9×5= 37×0.2= 0.5×600= 2.6×1= 8.9×3= 9×2.8= 0.6×2= 5.7×500= 1.6×10= 2.5×6= 4.2×20= 3×0.25= 1.6×20= 24×0.2= 0.8×500= 9.7×100= 2.3×9= 8.2×2= 1.1×60= 40×0.01= 2.8×7= 21.1×4= 4.1×600= 100×2.2= 3.1×6= 0.02×3= 7.4×3= 12.4×5= 3.2×3= 1.08×3= 7.8×100= 25×0.04= 3.3×700= 9×1.8= 7.9×600= 403.2×5= 3.4×600= 2.06×50= 8.3×400= 0.7×70= 3.5×500= 85.2×5= 8.5×100= 16×0.5= 8.7×2= 60×0.09= 5.4×600= 26.4×5= 8.8×6= 2.03×30= 5.5×80= 0.65×7= 8.9×9= 257.3×5= 9.6×5= 2.28×4= 4.5×50= 0.35×4= 2.1×70= 3.5×100= 4.6×70= 1.89×3= 5.6×9= 18×0.5= 4.7×3= 3.2×300= 3.7×3= 3.6×5= 4.8×8= 60×0.25= 4.1×40= 5.08×50= 5.2×5= 3.4×40= 4.2×10= 思 维 拓展 甲、乙两车从相距555千米的两地同时出发，相向而行，甲车每小时行90千米，比乙车每小时 少行5千米。两车出发后几小时相遇？相遇时各行了多少千米？ 《小数乘法 9用时 分钟 用时 分钟 Q打卡第9天 正确率 打卡第10天 正确率 基础练习 易错练习 基础练习 易错练习 计算 计算 计算● 计算 0.2×40= 2×3.3= 7.3×7= 9.5×2= 0.68×20= 3×9.9= 1.07×5= 6.1×400= 1.375×0= 9.9×5= 0.13×5= 6.3×9= 1.23×2= 4×9.9= 24×0.05= 6.4×20= 2.01×10= 15.4×9= 5.2×10= 6.7×100= 0.7×1.2= 2×9.9= 1.05×8= 0.9×40= 6×3.5= 9×9.9= 6.05×20= 1.2×7= 180×0.4= 2.7×3= 1.1×50= 4.5×9= 12.5×5= 6.7×2= 1.03×20= 1.3×9= 0.5×0.6= 3.1×4= 0.72×10= 1.6×2= 3.6×6= 1.2×8= 12×1.2= 7.4×8= 10×1.07= 5×3.6= 8.07×100= 9.2×3= 10.28×5= 6×1.9= 1.08×5= 100×4.3= 15.6×10= 1.6×5= 256.2×1= 4.75×100= 99×0.08= 2.8×2= 400×0.16= 0.01×52= 67.9×5= 38.8×5= 0.029×100= 4.6×5= 8×0.5= 3.8×3= 3.05×10= 20×0.05= 7.2×6= 5×4.12= 4.08×100= 0.75×2= 6.4×100= 87.2×5= 0.4×50= 37.1×5= 13×0.6= 80×0.04= 3.8×5= 30×0.4= 50×0.08= 0.2×2.4= 90×0.08= 9×0.4= 10.2×3= 3.6×0.5= 5.4×5= 45×0.2= 9×0.6= 70×1.02= 2.4×50= 30×0.9= 9×7.6= 1.07×30= 6.03×50= 37×0.2= 1.7×3= 5.8×5= 11.5×10= 42×0.3= 思维 拓 展 火车的平均速度大约是70千米/时，比小汽车每小时多行大约9.5千米。小汽车从甲地到乙 地要行6.4小时，甲、乙两地相距大约多少千米？ 口算10000题·5年级·上册 9用时 分钟 用时 分钟 Q打卡第11天 正确率 打卡第12天 正确率 基础练习 易错练习 基础练习 易错练习 计算○ 计算 计算 比大小○ 0.4×0.3= 0.4×4.6= 0.17×0.1= 8.5×4○8.5 0.19×0.6= 7.2×9.41= 0.03×2.4= 3.9×9.2○9.2 7.24×5.5= 0.72×0.4= 0.25×0.03= 9.4×4.1○9.4 0.7×9.2= 8.6×5.88= 0.26×0.02= 1.2×2.1○2.1 1.5×0.6= 5.64×3.25= 1.3×0.3= 7.3×0.5○7.3 1.7×0.4= 40×2.8= 1.4×0.8= 1.3×0.8○1.3 1.6×0.7= 0.21×7= 1.4×0.5= 3.3×0.2○3.3 0.11×0.9= 3.6×40= 0.8×0.21= 4.7×1.7○4.7 0.8×0.81= 0.35×20= 6.6×0.5= 5.8×0.5○5.8 0.28×0.7= 0.1×20= 6.2×0.2= 7.2×4.1○7.2 0.25×0.4= 0.22×5= 3.8×0.4= 3.9×7.1○7.1 5.82×0.1= 14.2×100= 7.1×0.3= 6.3×9.2○9.2 3.6×0.5= 2.2×9= 4.8×0.5= 2.8×0.2○2.8 1.5×0.8= 8×0.42= 5.15×0.4= 9.3×0.7○9.3 3.3×0.2= 1.43×2= 0.4×1.8= 3.7×2.8○10.63 0.26×0.1= 8.4×20= 2.3×0.7= 5.9×0.4○5.9 0.07×1.3= 0.33×5= 2.1×0.6= 0.38×0.1○0.083 4.6×0.5= 3.5×0.04= 0.7×0.81= 2.3×0.02○0.05 2.3×0.8= 3.6×0.6= 1.01×0.9= 6.09×12○72.08 1.8×0.4= 23×0.2= 0.565×0.2= 1.96×0.8○19.6 47.6×0.7= 1.9×8= 2.03×0.4= 1.25×0.8○1.25 1.02×0.2= 8×0.8= 0.55×0.7= 1.03×0.56○0.56 0.4×1.4= 6.5×6= 10.1×0.5= 0.03×0.42○0.42 10.7×2= 0.5×2.8= 0.2×0.68= 0.25×4.04○4.04 0.5×0.7= 4.7×5= 7.28×0.2= 0.58×1.01○0.58 思 维 拓展 间教室，宽是6.5米，长是宽的1.5倍，这间教室的面积是多少平方米？ 用时 分钟 打卡第13天 正确率 基础练习 易错练习 计算○ 计算 0.6×5.2= 9.62×7.7= 0.2×2.9= 0.2×6.19= 0.2×1.5= 0.7×0.54= 7.5×0.4= 1.23×0.15= 0.4×2.4= 4.59×0.6= 0.1×0.3= 7.5×0.3= 0.7×0.2= 10.5×0.3= 0.24×0.5= 8.5×0.8= 1.1×0.05= 10.5×0.2= 1.2×0.06= 8.8×0.5= 0.9×1.1= 0.6×5.5= 0.15×0.02= 4.5×0.5= 0.05×1.2= 2.5×0.2= 0.25×0.2= 4.6×0.6= 0.11×0.5= 0.9×5.2= 0.23×0.4= 10.4×0.3= 1.7×0.1= 7.8×0.5= 2.2×0.3= 1.9×0.05= 4.8×0.2= 4.6×0.3= 4.1×0.8= 2.1×0.08= 2.5×0.04= 0.2×2.6= 1.15×0.6= 2.3×0.08= 2.4×0.7= 4.4×0.06= 17.8×0.5= 1.3×0.6= 36.1×0.3= 0.85×0.2= 思 维 贝贝带了100元钱，买了2本词典，每本词典3 《小数乘法 用时 分钟 Q打卡第14天 正确率 基础练习 易错练习 计算○ 比大小 1.25×0.8= 7.5×1.3○7.5 0.8×2.3= 1.6×0.7○1.6 1.8×0.1= 3.3×0.6○3.3 1.5×0.08= 5.1×3.1○5.1 2.1×0.05= 8.1×2.1○8.1 0.5×0.1= 4.6×0.9○4.6 0.03×0.9= 4.3×0.3○4.3 2.2×0.4= 1.8×0.3○1.8 5.5×0.2= 3.1×1.7○3.1 9.8×0.2= 8.7×4.3○8.7 6.5×0.4= 7.1×8.1○8.1 0.2×1.6= 9.1×0.4○9.1 0.35×0.8= 7.2×3.3○7.2 0.45×0.6= 1.8×1.4○2.52 5.5×0.8= 8.6×0.5○8.6 6.5×0.6= 0.95×0.8○0.95 3.52×0.2= 6.67×0.6○6.67 7.6×0.5= 8.32×1.1○8.32 2.1×0.4= 3.2×0.91○3.2 1.2×0.8= 0.12×0.1○0.02 3.01×0.5= 3.7×0.03○0.12 1.2×0.3= 3.35×0.1○0.535 4.4×0.2= 0.48×0.7○0.346 32.5×0.4= 1.5×0.25○0.735 22.1×0.7= 0.203×0.2○0.04 拓 展 9元。贝贝买词典用了多少元？ 口算10000题·5年级·上册 9用时 分钟 用时 分钟 Q打卡第15天 正确率 打卡第16天 正确率 基础练习 易错练习 基础练习 易错练习 计算○ 计算 计算 比大小 0.8×0.3= 0.88×1.5= 30.8×4= 7.4×0.4○7.4 0.4×0.15= 0.5×4.44= 1.6×0.8= 5.7×7.1○7.1 2.5×0.01= 5.11×9.5= 2.4×0.5= 1.6×0.3○1.6 9.46×5= 0.7×0.57= 1.8×0.5= 1.9×0.8○1.9 64.7×0.7= 6.79×1.3= 27×0.4= 3.2×0.5○3.2 7.5×0.6= 55.1×0.1= 2.2×0.3= 5.2×0.2○5.2 0.8×2.05= 8.4×0.2= 0.33×0.5= 9.1×0.7○9.1 0.15×0.6= 4.4×0.6= 0.8×0.5= 9.8×3.3○9.8 0.75×0.5= 9.6×0.5= 2.6×0.4= 2.6×4.1○4.1 7.8×0.3= 4.2×0.7= 2.7×0.1= 3.3×0.8○3.3 10.3×0.3= 1.06×0.5= 4.5×0.3= 2.2×0.5○2.2 0.4×3.05= 2.2×0.7= 8.3×0.01= 6.4×0.9○7.4 6.5×0.8= 10.4×0.2= 12.5×0.8= 1.2×0.8○3.2 12.5×0.6= 0.6×1.2= 1.3×0.06= 2.1×1.9○2.1 3.1×0.3= 0.5×40= 1.4×0.5= 0.8×0.2○0.8 3.4×0.6= 30.5×0.2= 3.8×0.2= 1.8×0.3○0.45 3.6×0.3= 5.2×0.6= 5.2×0.5= 0.3×1.5○0.5 12.5×0.2= 9.8×0.02= 0.6×0.39= 0.7×0.6○0.24 7.2×0.2= 6.6×0.06= 0.23×0.5= 4.8×0.2○0.98 2.6×0.3= 0.46×0.6= 0.25×0.6= 7.6×0.3○2.18 5.7×0.2= 5.6×0.3= 0.4×0.04= 0.18×0.5○0.1 3.7×0.1= 8.6×0.2= 0.24×0.4= 1.5×0.05○0.08 3.6×0.6= 0.53×0.6= 1.5×0.8= 0.39×0.2○0.08 2.9×0.5= 2.1×0.09= 1.2×0.8= 0.88×0.1○0.09 2.7×0.03= 2.05×0.03= 1.25×0.4= 2.5×0.04○0.04 思 维 拓 展 如果回收1吨废纸可以保护16棵树，那么回收12.5吨废纸可以保护多少棵树？ 用时 分钟 Q打卡第17天 正确率 基础练习 易错练习 计算 计算 0.9×0.04= 3.12×0.5= 2.04×0.3= 1.25×0.6= 1.02×0.9= 1.35×0.4= 7.2×0.01= 2.97×1.3= 7.08×0.8= 42.5×0.12= 0.12×0.5= 4.01×0.5= 2.01×0.4= 0.5×2.06= 0.18×0.5= 11.5×0.7= 6.38×0.8= 8.1×0.4= 0.3×0.4= 9.8×0.5= 0.9×0.21= 3.5×0.3= 9.9×0.1= 4.4×0.4= 0.04×0.2= 20.2×0.7= 2.6×0.5= 0.7×2.5= 0.7×0.8= 4.5×0.4= 0.25×0.3= 3.05×0.8= 3.2×0.2= 6.6×0.2= 1.8×0.03= 1.04×0.9= 5.4×0.03= 3.4×0.06= 11.2×0.3= 2.1×0.06= 2.01×0.3= 1.5×0.7= 37.1×5.2= 2.6×0.06= 7.3×1.2= 3.5×0.04= 87.2×5.1= 2.03×0.7= 1.26×0.9= 0.7×0.26= 思 维 一块菜地长9.6米，宽5.4米，全部种黄瓜。如 产黄瓜多少千克？ 《小数乘法 9用时 分钟 Q打卡第18天 正确率 基础练习 易错练习 计算○ 比大小○ 2.3×0.04= 5.7×0.7○5.7 1.25×0.07= 6.8×2.1○6.8 4.8×0.02= 1.8×2.5○2.5 0.5×0.8= 5.9×0.5○5.9 0.42×0.2= 8.7×6.6○52.42 0.2×0.9= 9.9×0.3○2.97 7.04×0.5= 3.7×0.4○1.5 1.6×0.5= 2.7×0.3○0.18 0.2×2.2= 3.9×0.4○1.57 3.8×0.8= 2.8×0.3○0.88 2.5×0.1= 4.3×0.4○1.27 0.5×1.7= 2.9×0.5○1.25 0.2×3.6= 4.5×0.3○1.5 0.8×0.03= 3.2×6.4○20.38 3.3×0.1= 1.5×0.32○0.58 2.8×1.3= 10.9×1.2○12.98 7.2×0.5= 0.14×0.2○0.3 4.3×0.2= 5.8×0.42○2.8 0.1×5.2= 2.5×0.24●0.8 2.4×0.07= 0.8×0.78○0.724 0.2×2.9= 2.2×0.65○1.33 0.13×0.2= 3.6×0.32○3.6×3.2 5.4×0.2= 3.9×3.13○3.9×31.3 3.5×0.2= 13.7×9.1○1.37×9.1 1.9×0.4= 1.25×0.3○1.25×0.5 拓展 果每平方米产黄瓜3.5千克，那么这块菜地共 9 ,口算10000题·5年级·上册 用时 分钟 Q打卡第19天 正确率 基础练习 易错练习 得数保留一位小数 得数保留两位小数 7.9×0.6≈( ) 7.7×0.04≈( 6.9×0.2≈( 8.6×0.06≈( 5.2×0.7≈( 8.7×0.08≈( 1.7×0.4≈( 2.6×0.04≈( 8.6×0.6≈( ) 8.5×0.05≈( 8.4×0.8≈( ) 1.1x0.09≈( 7.1×0.2≈( ) 7.9×0.05≈( 8.7×0.6≈( ) 2.6×0.07≈( 9.8×0.2≈( 3.1×0.08≈( 4.9×0.5≈( 4.7×0.04≈( 7.1×0.6≈( ) 0.05×0.5≈( ) 3.9×0.9≈( ) 5.5×0.01≈( 6.5×0.7≈( 1.2×0.06≈( ) 1.2×0.9≈( 4.5×0.07≈( 7.4×0.7≈（ 6.5×0.03≈( 5.5×0.3≈( 5.2×0.02≈( 4.7×0.6≈( 5.9×0.06≈( 5.6×0.8≈( 7.3×0.07≈( 1.2×0.6≈( 1.4×0.03≈( 4.5×0.7≈( 2.8×0.04≈( 1.2×0.2≈( 4.2×0.02≈( 9.6×0.8≈( 6.3×0.02≈( 8.9×0.5≈( 9.2×0.06≈( ) 5.1×0.5≈( 5.3×0.07≈( 7.6×0.3≈( 9.7×0.06≈( 思 维 西红柿每千克3.65元，学校吴老师购买了5.6 小数) 9用时分钟 Q打卡第20天 正确率】 易错练习 计算○ 1.25×27×0.8= 12.8×2×0.5= 2.5×0.4×1.8= (5.7+4.3)×1.2= (7.5+2.5)×8.12= (0.7+0.3)×8.75= 19.8×0.62+19.8×0.38= 98.9×0.15+98.9×0.85= 22.9×12.1-22.9×10.1= 18.7×0.81+18.7×0.19= 12.3×0.91+12.3×0.09= 12.3×12.6-12.3×11.6= 24.5×4.6+24.5×5.4= 86.5×1.2-86.5×0.2= (0.81+0.19)×99.1= (0.24+5.01)×1.56= (0.13+1.87)×3.54= (3.8+6.2)×8.6= 2.05×1.3-0.05×1.3= 35.6×12.3-35.6×11.3= 12.5×22.6-12.5×21.6= 1.1×2.7+0.9×2.7= 2.5×1.6+2.5×8.4= 37.7×3.5-37.7×3.4= 16.05×1.1-16.05×0.1= 拓展 3千克的西红柿，要付多少元？（得数保留一位 10 9用时 分钟 Q打卡第21天 正确率 基础练习 易错练习 计算 计算 0.9×12= 7.6×0.9= 50×1.1= 2.7×0.3= 0.6×12= 8.8×0.4= 0.7×18= 3.3×20= 1.7×2= 8.7×0.9= 9.9×0.6= 4.3×0.3= 6.1×0.8= 0.4×0.24= 5.6×0.2= 2.7×0.02= 1.3×0.8= 0.1×0.15= 2.6×0.7= 0.27×0.3= 2.6×0.2= 5.4×0.01= 6.25×0.5= 0.02×0.7= 2.5×0.7= 0.43×0.1= 5.45×4= 0.11×0.3= 6.2×0.8= 0.8×0.12= 6.6×0.3= 0.17×0.6= 9.2×0.9= 9.3×900= 1.3×0.3= 5.7×0.3= 0.7×0.8= 1.6×0.07= 0.2×0.9= 5.3×0.3= 0.9×0.6= 3.6×20= 0.42×0.2= 0.33×0.4= 4.9×0.08= 7.3×5= 7.8×0.7= 0.28×90= 9.8×9= 7.8×2= 思 维 根木头，每次都锯掉它的一半，锯了2次后 《小数乘法 9用时 分钟 Q打卡第22天 正确率」 易错练习 计算○ (7.1+2.9)×3.8= 25.5×0.4-0.4×0.5= 56.2×0.6+56.2×0.4= 3.12×3+3.12×7= 6.1×7.1+7.1×3.9= (3.5+6.5)×0.6= 7.3×2.5+7.3×7.5= 9.6×3.6+9.6×6.4= 1.25×23-1.25×22= (7.8+2.2)×6.6= 9.9×2.3+9.9×7.7= 1.2×3.4-1.2×3.3= 6.6×98-6.6×88= 6.32×103-6.32×3= 5.6×1.9-0.9×5.6= 1.6×1.2+1.6×8.8= 2.6×6.77+7.4×6.77= 4.16×0.15-0.16×0.15= 9.52×3.2-9.52×2.2= 16.9×1.2-16.9×0.2= 0.2×1.1+0.8×1.1= 22.3×16.7-22.3×13.7= 16.5×0.9+16.5×0.1= 25.6×2.3-25.6×1.3= 17.8×6-17.8×5= 星拓展 还剩0.82米。这根木头原来长多少米？ 00 11第1天 第2天 387.2 10.76 1.29< 175 22 109150 27< 12.515.6 4 82.8 3.2 < 3.216.8 1.256.4 18.5< 23.30.6 2.176 4.2> 5.612.9 1.41.2 0.6 < 10.563 15.2 5.1> 8 255 20.84 9 > 12 54 237.537.5 650> 9 45 3613.6 3.6= 10.568 5.6 2.8 0.45> 6.81.68 8.5 7 17< 9.610.8 0.450.8 8.6> 50.455.8 3 27 18.8< 0.077×34=2. 25.6 57 52 > 第5天 862.3 28.2> 3619.05 615.257.2> 1025.2 801.05 33.6> 111.75 3.624.12 6.4 < 71.21672.8 981.2 7.8< 3320 0.4112.6 63 9.6 1 4519.2 12.5> 8.48.8 717.7 19.5< 9 32.8 4914.77225 < 7.3 10 5642 9.6< 180.42 25分米=2.5米 1.12 3.6 2.5×1=2.5(平方米) 1.05 4.64 32×2.5=80(元) 4.2 第3天 第4天 45 29.7 19.28.37 624 22.416.8 999 280 < 48 5.1 124.5 72 8.421.5 9 80.8 38 > 448 112 3.21.92 16 7.2 2.8 6.511.5 50 > 2 105 636 154 > 5.7 2.2 0.881.8 4.2 5.25.4 5.51.56 5 20.41.98 0.90.5 34 31.8 2 202.4 26.1> 1809.6 《参考答案 参考答案 33 < 6×3.2=19.2(元) 728.1 55 40.5 35.4< 第7天 第8天 62.513.420.611.7 1.1< 39.336.860.425.2 0.312.47.2 3.2 5.72< 6.68186 12.922.8 21.69.6 14.459.2 380> 6.975.251.23480 10.7 18 807 27.6 17.5< 10.9828.546.2413 51.411.45.4 430 6< 32.738.439.95490 156 8256.2475 20.8< 0.7668.6 637830 7.925.6 64 0.52 19.5> 13.849.57.4300 339.51942.9 23 25.2< 2.626.725.21.2 411.430.5 1 15.8> 285016 15 13.8= 84 43.220.6408 1.5 640436 20 0.7532 4.8400 185.5 7.8< 97020.716.466 7.83.2 19 12 10.8< 4 0.419.684.42460 0.487.2 3.6 18(千克) 30.61.8 27 第6天 22018.60.0622.2 9 5.471.4120 27 1.04> 62 9.6 3.24780 68.432.1301.57.4 75.6< 12310 16.24740 5.1 29 115 12.6 9.36< 20162040 1033320 70-9.5=60.5(千米/时) 6.92< 49 1750426 850 60.5×6.4=387.2(千米) 10.8= 817.4 5.43240 第11天 第12天 0.4> 13252.8 60.9440 0.121.840.017> 60> 4.5580.11286.548 0.11467.7520.072 > 2.72> 9.12225 1.4147 39.820.2880.0075> 160 350 3225.6750.4 6.4450.5680.0052> 6 9 14.196011.1 0.9 18.330.39 < 4.2> 18 38.415 164 0.68 112 1.12 < 30.8< 25426 136 42 1.47 0.7 12 1.12 90+5=95(千米) 0.0991440.168 > 11.9< 555÷(90+95)=3(时) 0.648 7 3.3 13.8< 7.2> 甲车：90×3=270（千米） 0.196 2 1.24> 28.8< 乙车：95×3=285（千米） 0.1 1.1 1.52> 5.6< 第9天 第10天 0.5821420 2.13 16.2> 86.651.119 1.8 19.8 2.4 < 10.5= 13.629.75.352440 1.23.36 2.06 < 13.2< 049.50.6556.7 0.662.86 0.72 < 17.2< 2.4639.61.2128 0.026168 1.61 35.7< 20.1138.652670 0.0911.651.26 0.48> 0.8419.88.436 2.30.140.567 56.7= 21 89.11218.4 1.842.160.909 > 53 口算10000题· 0.724.6 0.113< 33.3215.2 0.812< 0.2046.4 0.385> 0.5639 5.05< 21.41.40.136< 0.3523.51.456> 6.5×1.5×6.5= 63.375(平方米) 第13天 第14天 3.1274.074 1> 0.581.238 1.84< 0.30.378 0.18< 30.1845 0.12> 0.962.754 0.105> 0.032.25 0.05< 0.143.15 0.027< 0.126.8 0.88< 0.0552.1 1.1> 0.0724.4 1.96> 0.993.3 2.6 > 0.0032.25 0.32< 0.060.5 0.28> 0.052.76 0.27= 0.0554.68 4.4 0.0923.12 3.9< 0.173.9 0.704< 0.660.095 3.8> 0.961.38 0.84< 3.280.168 0.96< 0.10.52 1.505< 0.690.184 0.36< 1.680.2640.88 < 8.90.78 13< 10.830.1715.47> 32.9×2=65.8(元) 第15天 第16天 0.241.32123.2< 0.062.221.28> 0.02548.5451.2< 47.30.399 0.9 < 45.298.82710.8< 4.55.510.66< 1.641.680.165< 5年级·上册 0.092.640.4> 0.3754.8 1.04> 2.342.94 0.27 < 3.090.53 1.35 < 1.221.54 0.083< 5.2 2.08 10< 7.5 0.72 0.078> 0.93 20 0.7< 2.046.1 0.76> 1.083.12 2.6< 2.50.196 0.234> 1.440.396 0.115< 0.780.276 0.15> 1.141.68 0.016< 0.371.72 0.096< 2.160.318 1.2< 1.450.1890.96< 0.0810.06150.5> 12.5×16=200(棵) 第17天第18天 0.0361.560.092< 0.6120.750.0875> 0.9180.540.096 > 0.0723.8610.4 5.6645.10.084> 0.062.0050.18 0.8041.033.52 < 0.098.05 0.8 > 5.1043.240.44 0.124.9 3.04 0.1891.050.25 > 0.991.76 0.85 > 0.00814.140.72 1.31.750.024 > 0.561.80.33 ∠ 0.0752.443.64 > 0.641.323.6 0.0540.9360.86 0.1620.2040.52 < 3.360.1260.168< 0.6031.050.58 > 192.920.1560.026< 8.760.141.08< 444.721.4210.7> 1.040.015 1.25 1.1340.1820.76< 1.82 0.081 66 9.6×5.4=51.84(平方米) 0.52 0.054 99 51.84×3.5=181.44(千克) 3.1250.014 0.12 1.75 0.043 第19天 第20天 66 21.8 0.033 632 4.70.31 27 4.96 0.096 5.6 1.40.52 12.8 1.980.102 16 3.60.70 1.8 8.28 8370 67.7 0.70.10 12 0.39 1.71 0.6 5.20.43 81.2 0.56 0.112 9.52 6.70.10 8.75 0.18 1.59 16.9 1.40.40 19.8 0.54 72 1.1 5.20.18 98.9 0.084 0.132 66.9 2.00.25 45.8 0.39236.5 16.5 2.50.19 18.7 5.46 25.2 25.6 4.30.03 12.3 88.2 15.6 17.8 3.50.06 12.3 0.82×2×2=3.28(米) 第23天 第24天 4.60.07 245 4.2 < 1.10.32 86.5 1.9< 0.2< 5.20.20 99.1 2.3 < 0.4 1.70.10 8.19 1.9< 80 L 2.80.35 7.08 1.1 20 > 4.50.51 86 0.51 < 30 > 0.70.04 2.6 0.21 > 60 3.20.11 35.6 0.2 > 17.2> 0.20.08 12.5 1.14 13.6< 7.70.13 5.4 0.64 < 6 4.50.55 25 0.05 23 < 2.60.37 3.77 0.05 6 > 2.30.58 16.05 0.09 > 4 0.375 > 18.5> 3.65×5.68=20.732(元)≈ 0.12 < 12 > 20.7(元) 0.4 < 1.4 > 第21天 第22天 0.07 9.1 7 10.86.84 38 1.6 10 550.81 10 0.2 > 62.5> 7.23.52 56.2 3.2 1.4 < 12.666 31.2 2.5 < 207 = 3.47.83 71 5.2> 0.3< 5.941.29 6 3.8< 2.88< 4.880.096 73 0.96< 4 < 1.120.054 96 1.32> 2.8<