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,子页,子页,子页,子页,子页题目,内容：,子页,子页,子页,子页,子页题目,内容：,子页,子页,子页,子页,子页题目,内容：,子页,子页,子页,子页,子页题目,内容：,内容：,子页题目,子页,子页,子页,子页,主页,子页,子页题目,子页,子页,子页,主页,子页,T,H,A,N,K,Y,O,U,北师大版 五年级上册 第三单元 倍数与因数,问题,探究,练习,拓展,个位是,0,，,2,，,4,，,6,，,8,个位是,0,，,5,2,的倍数特征,5,的倍数特征,北师大版 五年级上册 第三单元 倍数与因数,问题,探究,练习,拓展,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,请你在百数表中圈出,3,的倍数，个位数字有什么特征？,请你在百数表中圈出,3,的倍数，个位数字有什么特征？,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,请你在百数表中圈出,3,的倍数，个位数字有什么特征？,拨珠实验,用4颗算珠拨数,同桌合作，一人拨数，,一人判断它是不是3的倍数（可借助计算器）,把拨的数记录在报告单中,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,3,的倍数的,各个数位上的数字之和是,3,的倍数,根据上面的发现，找出,3,的倍数。,1.,请将编号是,3,的倍数的气球涂上颜色,2.,分别在 里填上一个数字，使这个两位数是,3,的倍数。,2,5,3,0,7,1,2,4,2,7,1,5,4,5,7,3,6,3,9,3,3,6,0,9,0,2,5,7,8,7,3.,选出两个数字组成一个两位数，分别满足下面的,条件。,3.,选出两个数字组成一个两位数，分别满足下面的,条件。,你学到了什么？,拨珠实验,用4颗算珠拨3的倍数,4,人小组,一人拨珠,一人判断是不是3的倍数（可借助计算器）,一人记录,一人检查,
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