人教版一年级数学下册《100以内数的顺序和比较大小》课件_1
,数的顺序和比较大小,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,10,9,8,7,6,5,4,3,1,13,2,11,22,33,44,55,66,77,88,99,15,17,19,28,37,46,64,73,82,91,3,给 十 位 是 3 的 数 涂 上 绿 色,39,38,36,35,34,32,31,33,37,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,10,9,8,7,6,5,4,3,1,13,2,11,22,33,44,55,66,77,88,99,15,17,19,28,37,46,64,73,82,91,3,39,38,36,35,34,32,31,33,37,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,10,9,8,7,6,5,4,3,1,13,2,11,22,33,44,55,66,77,88,99,15,17,19,28,37,46,64,73,82,91,3,93,63,53,43,23,13,33,73,3,83,给 个 位 是 3 的 数 涂 上 黄 色,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,10,9,8,7,6,5,4,3,1,13,2,11,22,33,44,55,66,77,88,99,15,17,19,28,37,46,64,73,82,91,给个位和十位相同的数涂上粉色,11,22,33,44,55,66,77,88,99,100,98,97,96,95,94,93,92,90,89,87,86,85,84,83,81,80,79,78,76,75,74,72,71,70,69,68,67,65,63,62,61,60,59,58,57,56,54,53,52,51,50,49,48,47,45,43,42,41,40,39,38,36,35,34,32,31,30,29,27,26,25,24,23,21,20,18,16,14,12,10,9,8,7,6,5,4,3,1,13,2,11,22,33,44,55,66,77,88,99,15,17,19,28,37,46,64,73,82,91,你能从表里发现哪些有趣的排列？,第4行第8个数是多少?,55前面一个数是多少？,按照数的顺序填数,(1),(2),0 10 ( ) ( ) ( ) 50 ( ) ( )( )( )( ),32,29,28,30,31,33,20,30,40,60,70,80,90,100,25,42,70,79,88,97,53,64,魔力框,说出1100中个位上是5的所有的数。 说出1100中十位上是5的所有的数。,猜一猜,在1100中，个位上是0的数一共有多少个？在第几列的位置上？ 个位上是1的数在第几列？ 十位上是9的数有多少个？在第几行的位置上？,填一填, 比69大1的数是( )，比69 少10的数是（ ） ，比69多30的数在第（ ）列的位置上。,比100小1的数是( )。, 40比( )大1， 比( )小1。,70,99,39,41,59,9,比一比,42,37,42里面有4个十。,37里面有3个十。,两位数比大小,先比 十位，十位大的数大。,比一比,两位数比大小,先比十位， 十位大的数大。,2 3,2 5,十位上的数一样，再比个位， 个位上的数大的这个数大。,两位数比大小，先比十位， 十位上的数大这个数就大。,3 9,4 5,两位数比大小，先比十位， 十位上的数大这个数就大。,8 1,1 8,64,58,45,47,6,5,4,4,5,7,两位数比大小，先比十位，十位大 的数大。十位上的数一样，再比个 位，个位上的数大的这个数就大。,=,再见,
