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,小数乘法(一),苏教版五年级数学上册,教学目标,1.知识目标:在生活情境中,让大家自主探索小数乘整数的计算方法。2.能力目标:能正确地计算及描述小数乘整数的过程。3.情感目标:感受小数乘法在生活中的应用。,买4块 要多少钱?,0.2元,0.2元,0.2元,0.2元,0.8,0.2,+,0.2+0.2+0.2+0.2=,0.2,0.2,0.8(元),0.2,0.24=?,0.2元=2角,24=8(角),8角=0.8元,0.24=0.8(元),0.8,0.24=,4,0.8(元),0.2,买3把 要多少钱?,2.35元,2.35元,2.35元,7.05,2.35,+,2.35+2.35+2.35=,2.35,7.05(元),2.35,7.05,2.353=,3,7.05(元),2.35,涂一涂,填一填。,0.0110=(),0.1,涂一涂,填一填。,0.0150=(),0.5,涂一涂,填一填。,0.01100=(),1,加油哦!,0.123,0.242,0.43,0.33,0.5,0.1,做一做,6,0.6,24,2.4,根据14823=3404,直接写出下面各题的积。14.823=1482.3=1480.23=1.4823=,本课小结,理解小数乘以整数的意义,掌握小数乘以整数的计算法则,正确地进行计算。,