幼儿园大班凑十法与破十法练习题 幼儿园大班凑十法与破十法练习题 凑十法是20以内进位加法的基本思路.运用凑十法能将20以内的进位加法转化为学生所熟悉的10加几的题目,从而化难为易. 破十法:是一种计算方法,即:当个位不够减时,就用10减去减数,剩下的数和个位上的数相加,即破十法。 一、用凑十法做一做。 9 + 6 = 9 + 5 = 9 + 4 = 9 + 3 = 9 + 2 = 9 + 7 = 9 + 8 = 9 + 9 = 8 + 8 = 8 + 7 = 8 + 9 = 8 + 6 = 8 + 5 = 8 + 4 = 8 + 3 = 1 / 3 幼儿园大班凑十法与破十法练习题 7 + 9 = 7 + 8 = 7 + 7 = 7 + 6 = 7 + 4 = 7 + 5 = 6 + 9 = 6 + 8 = 6 + 7 = 6 + 6 = 6 + 5 = 5 + 9 = 5 + 8 = 5 + 7 = 5 + 6 = 4 + 9 = 4 + 8 = 4 + 7 = 3 + 9 = 3 + 8 = 2 + 9 = 二、填出括号里的数。 2 / 3 本文来源:https://www.wddqw.com/doc/c442d1167e1cfad6195f312b3169a4517623e5da.html