五年級數(shù)學上冊《小數(shù)加法和減法、小數(shù)乘法和除法》計算題期末專項練習一、小數(shù)加減法口算①3.2+5.8 ②7.5-2.1 ③0.36+0.64

④10-4.7 ⑤2.05+0.95 ⑥8.1-0.8

⑦4.5+3.5 ⑧9.3-6.2 ⑨0.78+0.22

⑩5-1.6 ?3.09+0.91 ?12.8-2.8

?6.7+2.3 ?8.05-5 ?0.45+0.55

?20-7.3 ?1.83+2.17 ?15.6-0.6豎式計算①12.45+5.78（驗算） ②30-16.55 ③7.09+2.91

④50-23.76（驗算） ⑤0.85+4.25 ⑥100-58.23

⑦8.62+3.38（驗算） ⑧45-27.8 ⑨6.07+3.93

⑩75-42.55（驗算） ?2.34+5.66 ?80-19.77

?5.85+4.15（驗算） ?60-38.4 ?9.21+0.79

?90-63.23（驗算） ?1.06+8.94 ?120-88.88加減混合運算①15.6+4.3-8.9 ②20-(5.6+7.4) ③9.45-(3.2-1.55)

④8.7+3.25+1.3 ⑤35.8-6.7-3.3 ⑥12.5-(4.8+2.5)

⑦13.2+5.8-7.5 ⑧25-(6.8+8.2) ⑨7.86-(2.5-1.14)

⑩9.3+4.75+0.7 ?42.5-8.5-1.5 ?15.8-(6.3+3.7)

?11.5+6.5-9.2 ?30-(7.2+8.8) ?8.34-(3.1-1.66)

?7.9+5.15+2.1 ?50.2-10.2-9.8 ?18.6-(5.4+4.6)二、小數(shù)乘法口算①0.5×0.4 ②1.2×0.3 ③0.25×8

④6×0.08 ⑤0.15×4 ⑥70×0.6

⑦0.8×0.5 ⑧2.5×0.4 ⑨0.125×8

⑩9×0.05 ?0.25×40 ?50×0.8

?0.3×0.6 ?3.5×0.2 ?0.04×25

?8×0.07 ?0.35×2 ?60×0.09豎式計算①2.45×12 ②0.36×0.24 ③1.08×3.5

④0.25×0.04 ⑤3.6×2.05 ⑥4.8×0.15

⑦3.28×15 ⑧0.42×0.36 ⑨1.15×2.8

⑩0.36×0.05 ?4.5×1.08 ?5.6×0.25

?4.15×20 ?0.55×0.48 ?1.24×3.6

?0.48×0.06 ?5.2×2.05 ?6.3×0.18連乘/乘加/乘減①0.8×0.5×1.2 ②1.5×3+2.5 ③5-0.2×0.8

④2.5×0.4×0.7 ⑤4.2×2-3.6 ⑥0.6×0.8×0.5

⑦1.2×0.8×0.5 ⑧2.5×4+1.8 ⑨8-0.5×0.6

⑩3.6×0.2×0.3 ?5.8×3-4.2 ?0.9×0.7×0.4

?0.7×0.6×1.5 ?3.2×5+2.5 ?10-0.3×0.9

?4.5×0.2×0.8 ?6.5×2-5.8 ?0.5×0.9×0.6三、小數(shù)除法口算①7.2÷0.8 ②0.63÷0.7 ③1÷0.25

④4.8÷1.2 ⑤0.36÷0.6 ⑥5÷0.01

⑦8.1÷0.9 ⑧0.49÷0.7 ⑨2÷0.5

⑩3.6÷1.8 ?0.24÷0.8 ?6÷0.02

?9.6÷0.8 ?0.81÷0.9 ?3÷0.25

?5.4÷1.8 ?0.15÷0.5 ?8÷0.04豎式計算①18.9÷0.9 ②7.84÷0.56 ③25.2÷3.6

④5.4÷0.12 ⑤3.64÷5.2 ⑥40÷0.25

⑦25.2÷0.6 ⑧8.32÷0.64 ⑨32.4÷4.5

⑩6.3÷0.15 ?4.83÷6.9 ?50÷0.5

?30.6÷0.3 ?9.24÷0.42 ?45.9÷5.1

?7.2÷0.18 ?5.67÷8.1 ?60÷0.75商的近似值①2.5÷0.7（保留一位小數(shù)） ②3.8÷0.13（保留兩位小數(shù)）③1.2÷0.65（保留整數(shù)） ④5.63÷6.1（保留兩位小數(shù)）⑤0.8÷0.3（保留一位小數(shù)） ⑥4.2÷1.45（保留整數(shù)）

⑦3.2÷0.9（保留一位小數(shù)） ⑧4.5÷0.17（保留兩位小數(shù)）⑨2.5÷1.2（保留整數(shù)） ⑩1.5÷0.4（保留一位小數(shù)）?5.8÷2.1（保留整數(shù)） ?4.8÷1.1（保留一位小數(shù)）?7.25÷0.35（保留兩位小數(shù)） ?3.6÷1.3（保留整數(shù)）?5.2÷0.8（保留一位小數(shù)） ?8.36÷0.42（保留兩位小數(shù)）?6.5÷2.2（保留整數(shù)） ?7.5÷0.65（保留一位小數(shù)）四、小數(shù)四則混合運算無括號①3.2×1.5+6.8 ②7.2÷0.8-1.2×5 ③0.5×0.8÷0.2

④4.5+5.5×0.2 ⑤10-0.25×40 ⑥6.3÷0.7×0.5

⑦2.8×3÷0.4 ⑧8.1÷0.9+2.5 ⑨0.6×0.5+0.3

⑩4.8×2+5.2 ?9.6÷1.2-0.8×5 ?0.7×0.6÷0.3

?5.5+4.5×0.3 ?15-0.5×20 ?7.2÷0.8×0.6

?3.6×4÷0.6 ?7.2÷0.6+3.5 ?0.8×0.7+0.4含括號①(1.2+2.8)×0.5 ②3.6÷(0.4×0.3) ③0.8×(4.5÷1.5)

④(5.6-2.8)÷0.7 ⑤1.25×(8÷0.5) ⑥7.8÷(1.3×2)

⑦(3.2+4.06)÷1.8 ⑧5.4÷(2.7×2) ⑨0.9×(0.6÷0.15)

⑩(2.5+3.5)×0.4 ?4.8÷(0.6×0.4) ?0.7×(5.4÷1.8)

?(6.4-3.2)÷0.8 ?1.5×(10÷0.2) ?9.6÷(1.6×3)

?(4.5+5.5)÷0.5 ?6.3÷(0.7×0.3) ?0.6×(7.5÷2.5)五、小數(shù)乘除四則混合簡便運算乘法運算律簡算①0.25×3.6×4 ②1.25×8.8 ③2.5×(40+0.4)

④3.7×99+3.7 ⑤4.8×0.25 ⑥1.5×102

⑦0.25×4.8×0.4 ⑧1.25×9.6 ⑨3.5×(20+0.6)

⑩5.6×0.25 ?2.5×104 ?0.125×3.2×8?2.5×4.4 ?4.8×(10+0.1) ?5.3×99+5.3?6.4×0.125 ?3.6×101 ?0.25×6.4×2.5除法性質(zhì)簡算①7.2÷0.4÷0.9 ②18.9÷(2.7×0.3) ③4.5÷1.8

④3.6÷0.25÷4 ⑤2.4÷(0.6×0.4) ⑥12.6÷4.2÷0.5

⑦8.1÷0.3÷0.9 ⑧25.2÷(3.6×0.2) ⑨5.4÷1.2

⑩4.8÷0.2÷0.8 ?30.6÷(5.1×0.3) ?18.9÷6.3÷0.3

?9.6÷0.4÷0.8 ?36.8÷(4.6×0.2) ?6.3÷2.1

?5.6÷0.25÷8 ?42.7÷(7×0.1) ?21.6÷7.2÷0.5乘除混合簡算①1.25×0.7×0.8 ②3.5×2÷0.5 ③0.8×(12.5÷2.5)

④4.2÷3.5 ⑤2.5×3.2×1.25 ⑥5.6×0.1÷0.01

⑦2.5×0.9×0.4 ⑧4.8×3÷0.6 ⑨0.6×(25÷5)

⑩5.6÷2.8 ?1.25×4.8×0.8 ?6.3×0.2÷0.02

?3.6×0.5×0.2 ?7.2×4÷0.8 ?0.9×(18÷3)

?6.3÷4.2 ?0.25×8.8×4 ?8.1×0.3÷0.03參考答案一、小數(shù)加減法口算

①9②5.4③1④5.3⑤3⑥7.3

⑦8⑧3.1⑨1⑩3.4?4?10

?9?3.05?1?12.7?4?15豎式計算

①18.23②13.45③10④26.24⑤5.1⑥41.77

⑦12⑧17.2⑨10⑩32.45?8?60.23

?10?21.6?10?26.77?10?31.12加減混合運算

①11②7③7.8④13.25⑤25.8⑥5.2

⑦11.5⑧10⑨6.5⑩14.75?32.5?5.8

?8.8?14?7?15.15?30.2?8.6二、小數(shù)乘法口算

①0.2②0.36③2④0.48⑤0.6⑥42

⑦0.4⑧1⑨1⑩0.45?10?40

?0.18?0.7?1?0.56?0.7?5.4豎式計算

①29.4②0.0864③3.78④0.01⑤7.38⑥0.72

⑦49.2⑧0.1512⑨3.22⑩0.018?4.86?1.4

?83?0.264?4.464?0.0288?10.66?1.134連乘/乘加/乘減

①0.48②7③4.84④0.7⑤4.8⑥0.24

⑦0.48⑧11.8⑨7.7⑩0.216?13.2?0.252

?0.63?18.5?9.73?0.72?7.2?0.27三、小數(shù)除法口算

①9②0.9③4④4⑤0.6⑥500

⑦9⑧0.7⑨4⑩2?0.3?300

?12?0.9?12?3?0.3?200豎式計算

①21②14③7④45⑤0.7⑥160

⑦42⑧13⑨7.2⑩42?0.7?100

?102?22?9?40?0.7?80商的近似值

①3.6②29.23③2④0.92⑤2.7⑥3

⑦3.6⑧26.47⑨2⑩3.8?3

?4.4?20.71?3?6.5?19.90?3

?11.5四、小數(shù)四則混合運算無括號

①11.6②3③2④5.6⑤0⑥4.5

⑦21⑧11.5⑨0.6⑩14.8?4?1.4

?6.85?5?5.4?24?15.5?0.96含括號

①2②30③2.4④4⑤20⑥3

⑦4.03⑧1⑨3.6⑩2.4?20?2.1

?4?75?2?20?30?1.8五、小數(shù)乘除四則混合簡便運算乘法運算