执教:石门县磨市镇完小郑钰杰义务教育课程标准实验教科书五年级下册ˋˊˋˊ大胆尝试大胆尝试探究新知探究新知课后探究课后探究帮帮小猴帮帮小猴回归生活回归生活找找规律找找规律括号里填什么数字合适呢?812BACK2,4,6,(),10,(),14,16111213141212223242313233343414243444515253545616263646717273747818283848919293949102030405011121314121222324231323334341424344451525354561626364671727374781828384891929394910203040501112131412122232423132333434142434445152535456162636467172737478182838489192939491020304050在右表中找出2的倍数,用你喜欢的方式快速地标出来。观察2的倍数的个位,你能发现什么规律?1112131412122232423132333434142434445152535456162636467172737478182838489192939491020304050111213141212223242313233343414243444515253545616263646717273747818283848919293949102030405011121314121222324231323334341424344451525354561626364671727374781828384891929394910203040501112131412122232423132333434142434445152535456162636467172737478182838489192939491020304050BACK个位上是自然数中,是2的倍数的数叫做偶数(0也是偶数),不是2的倍数的数叫做奇(jī)数。0,2,4,6,8从上表中,我发现:的数都是2的倍数。BACK游戏规则:小猴必须朝着2的倍数的方向走,才能摘到桃子.297261454271172351002256830297261454271172351002256830BACK起点96下列数中,哪些是奇数,哪些是偶数?33983559880123奇数偶数大胆尝试BACK说说身边的奇数和偶数BACK数学源于生活BACKBACK