游海岛,沪教版二年级数学上册,学习目标: 1. 使同学们能够正确进行计算。 2. 培养同学们的仔细观察和类比能力及十进式类推能力。,天使岛码头,天使岛码头,7+5=,17+5=,27+5=,37+5=,47+5=,8+3=,18+3=,28+3=,38+3=,48+3=,12,22,32,42,52,11,21,31,41,51,考考你,4+9=,14+9=,39+24=,24+19=,13,23,43,63,欢乐岛码头,欢乐岛码头,998=,898=,798=,91,81,71,179=,279=,2719=,8,18,8,考考你,157=,8,2517=,3517=,4527=,5527=,6557=,8,18,18,28,8,比一比,谁大?,=,总结:通过本节课的学习,同学们学到了什么?能够熟练应用?,