一、 有余數(shù)的除法······································1
二、 混合運算···········································8
三、 對稱與方向···········································19
四、 萬以內(nèi)數(shù)的認識·································26
五、 萬以內(nèi)數(shù)的加法和減法···················45
六、 解決問題···········································65
七、 千克與克的認識·································72
        超市里的小調(diào)查·································77
八、 時、分、秒的認識·····························79
九、 收集數(shù)據(jù)···········································84
十、 數(shù)學(xué)百花園········································88
十一、 總復(fù)習(xí)···········································89
十二、附頁···········································95
前 言
親愛的同學(xué)∶
很高興和你一起步入數(shù)學(xué)學(xué)習(xí)之旅!
在數(shù)學(xué)之旅中你會遇到很多數(shù)學(xué)問題和能夠運用數(shù)學(xué)知識解決的實際問題。開動腦筋，認真思考，你就會成功地解決這些問題，，相信你一定會在這個過程中感受到快樂的

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