人教版五上:小数乘法口算与估算
试卷更新日期:2024-10-14 类型:单元试卷
一、计算题
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1. 直接写出得数
5.43+1.47=
0.9-0.89=
1.45+5.5=
27×0.01=
7.4+6=
1-0.68=
0.05×6=
10-8.7=
2. 口算。5×3= 25×5= 16×5=
0.5×3= 0.25×5= 1.6×5=
5×0.3= 25×0.05= 16×0.5=
3. 口算。0.6×5= 0.04×1.8= 0.16×0.5= 1.25×80 =
4×0.25= 2.8×0.4= 32×0.25= 0.01×0.01 =
4. 直接写得数。
0.54+0.06= 0.73+0.94= 9.8-5.9= 10-0.8= 2.36×10=8-0.7+0.3= 0.06×5= 0.9×100= 0×5.4= 4-0.17=
5. 口算。⑴0.2×0.4=
8.2+1.8=
100-35.22=
⑵2.5×0.4=
2.4×5=
0.22×4=
⑶0.9-0.52=
3.99×1=
0.1×3.52=
⑷8.7×(2.86+7.14)=
2.5×6.45×4=
6. 直接写出得数。0.06×0.8=
3×0.9=
2.5×0.4=
3.6×0.4=
12.5×8=
50×0.04=
80×0.3=
1.1×9=
7. 直接写得数。1-0.07=
0.5+2.05=
4.06× 1000=
10×0.01=
20×0.5=
1.2×0.3=
0.3×0.3=
19.8×4.2≈
8. 直接写出得数。5×0.5= 0.6×0.7= 4.4×0.1= 1.3×0.5=
1.2×4= 0.8×5= 8.5×10= 2.5×0.2=
9. 直接写出得数。0.8×0.9=
0.4×25=
0.05×0.08=
1.4×4=
1.8×0.06=
0.32×0.2=
2.3×1.2=
1.25×0.8=
10. 直接写得数。3×0.5=
4×1.4=
3.2×8=
5×1.6=
1.1×8=
5×0.05=
0.8×0.4=
0.3×0.01=
11. 口算0.9×2=
0.7×0.5=
2.4×2=
1.3×0.3=
1.1×3=
2.2×0.1=
7×0.8=
80×0.5=
12. 直接写出得数。0.5×0.6=
0.16×0.5=
5.5×0.2=
3.5×3=
125×0.08=
0.01×0.1=
1.2×0.6=
1.7×3=
80×0.04=
0.25×0.4=
13. 直接写得数3.5×0.2= 5.4×0= 6×0.15= 0.04×0.5= 1.2×0.4= 0.15×4= 1.25×8= 3.9×0.1= 2.5×0.8= 0.5×0.6= 14. 直接写得数12.5×80=
2.34×0.2=
7.73+2.07=
0.8×0.5=
2.4×0.5=
0.14×0.3=
12-0.9=
1.87×0=
15. 直接写出得数.0.9×0.8= 0.8×1.2= 0.12×50= 60×0.8=
1.8×0.04= 0.15×0.4= 1.3×0.004= 5.8-0.8×5=