五年級上冊數學第一單元測驗試卷

一、填空題(1-4每題1分,第5小題3分,共7分)

1.7.2×0.63的積裏有()位小數.

2.由7個1000，9個0.1和3個0.01組成的'數是().

3.把3.964的小數點向右移動三位，小數就()倍.

4.8.6×0.72=()×7.2

5.把0.836擴大成小數部分是一位的小數是()，小數點向()移動了()位.

二、口算題(12分)

0.7×5=0.08×1000=0.1×6.7=1.6×0.5=

2.5×4=0.74×0.4=7.5×3=3.74×0=

0.8×0.6=0.05×0.08=80×1.25=0.13×7=

三、簡算題(每道小題4分共16分)

1.2.4×12.5=

2.9.43×101=

3.3.4×12.5+6.6×12.5

4.0.125×9.3×0.8

四、計算題(1-2每題2分,3-4每題3分,5-8每題4分,共26分)

1.用豎式計算.18.25×34=

2.用豎式計算.9.35×4.2=

3.用豎式計算.15.07×9.8=

4.用豎式計算.7.02×0.56=(得數保留兩位小數)

5.81.25×0.6×9.3

6.15×3.6+4.83

7.98.42×2.5-83.7

8.700×0.34×2.9