【#一年级# 导语】口算:一边心算一边口说地运算。口算就是用脑计算,用口头叙述来记忆当时的结果。这种方法用于速算,常练有助于智力的提高。也成为如今的主流的计算方法。也叫“心算”。数学教学方法之一。一种只凭思维及语言活动不借任何工具的计算方法。它能培养学生快速的计算,发展学生的注意、记忆和思维能力。口算熟练后有助于笔算,且便于在日常生活中应用。以下是®文档大全网整理的相关资料,希望对您有所帮助!
【篇一】
6 - 4 = 8 - 5 = 8 + 2 =
7 + 2 = 8 - 4 = 4 - 2 =
6 - 2 = 9 + 1 = 1 - 1 =
4 + 2 = 8 + 1 = 9 + 1 =
6 + 2 = 7 + 3 = 8 + 1 =
4 + 4 = 3 - 3 = 7 + 1 =
【篇二】
4 + 4 = 9 - 2 = 3 + 1 =
4 - 1 = 5 + 3 = 8 - 6 =
8 - 4 = 1 + 6 = 4 - 2 =
6 - 3 = 3 + 4 = 1 + 5 =
5 - 1 = 7 - 1 = 5 + 4 =
4 - 4 = 4 - 2 = 1 + 4 =
【篇三】
3 + 2 = 3 + 1 = 1 - 1 =
4 + 1 = 1 - 1 = 3 + 2 =
4 - 1 = 4 - 4 = 1 + 2 =
2 + 1 = 3 - 2 = 1 + 3 =
4 + 1 = 2 - 1 = 3 + 2 =
3 + 1 = 1 - 1 = 1 - 1 =
【篇四】
2 - 1 = 2 - 2 = 2 + 7 =
7 - 4 = 2 + 5 = 8 + 1 =
3 + 2 = 2 - 2 = 6 - 6 =
7 - 3 = 1 - 1 = 7 - 3 =
2 - 2 = 9 + 1 = 4 - 1 =
2 + 4 = 7 - 6 = 4 + 4 =
【篇五】
9 - 5 = 1 - 1 = 6 - 1 =
6 - 1 = 5 - 1 = 5 + 2 =
9 - 8 = 2 - 1 = 3 - 2 =
9 - 4 = 9 - 3 = 4 + 6 =
2 - 2 = 2 - 1 = 2 - 1 =
6 - 3 = 6 + 3 = 5 + 4 =
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