小数乘法
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小数乘法. 六道河学区陡子峪明德小学 鲁小龙. 0.12×100= 12 28.9÷10= 2.89 19÷100= 0.19 7.9×100= 790 3.65÷100= 0.0365 1÷100= 0.01 0.91×1000= 910 0.42×100= 42 90.2×100= 9020 3.5×10= 35

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小数乘法

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5091161

小数乘法

六道河学区陡子峪明德小学 鲁小龙


5091161

0.12×100=12 28.9÷10=2.89

19÷100=0.19 7.9×100=790 3.65÷100=0.0365 1÷100=0.01 0.91×1000=910 0.42×100=42 90.2×100=9020 3.5×10=35

9.6×100=960 0.07×1000=70 0.786×10=7.86 0.479×100=47.9 17.6÷10=1.76 0.27×10=2.7 31÷100=0.31 0×1000=0

0.234×1000=234 8.88× 100=888


5091161

圆珠笔2.62元/枝

6.92元/盒

4.28元/瓶

0.95元/包

自动笔

1.8元/枝


5091161

我买3枝自动笔得花多少元钱?

1.8元/枝

温馨提示:先估一估,算完后用计算器进行验证,看看你能想出几种方法 。


5091161

妈妈买25包挂面要花多少元?

温馨提示:先估算,再用竖式进行计算,最后用计算器验证。

0.95元/包


5091161

圆珠笔2.62元/枝

6.92元/盒

4.28元/瓶

0.95元/包

自动笔

1.8元/枝

我能行!任选一种商品,自己提一个小数乘法问题,并用竖式解答。


5091161

拓展练习

× = 2.4


5091161

3.2×34= 108.8 2.34×6=14.04 16×0.84 =13.44

1.5 ×71=106.5 6×0.57=3.42 0.72 × 3=2.16

45×0.9=40.5 0.46 ×18=8.28 0.84 × 26=21.84


5091161

2011

2

9

陡子峪明德小学

1

2

1

6

8

0

0

0

鲁小龙

8

6

4

0

178.56


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