资料详情(天天资源网)

天天资源网 / 小学数学 / 教学同步 / 人教版 / 四年级下册 / 3 运算定律 / 乘法运算定律 / 小学数学人教版四年级下册教学3单元运算定律5课时乘法运算定律2

小学数学人教版四年级下册教学3单元运算定律5课时乘法运算定律2

2022-10-08
7页
1.11 MB

还剩 2 页未读，点击继续阅读

继续阅读

点击预览全文

点击下载高清阅读全文，WORD格式文档可编辑

立即下载

有任何问题请联系天天官方客服QQ：403074932

资料简介

www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com1.下面哪些算式是正确的？正确的画“√”，错误的画“×”。56×(19+28)=56×19+28()32×(7×3)=32×7+32×3()64×64+36×64=(64+36)×64()××√课堂检测三教材做一做 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com运用了乘法分配律。25×12＝25×2＋25×10502512×2503002.观察下面的竖式，说说在计算的过程中运用了什么运算定律。课堂检测三教材做一做 www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com√√巩固练习四教材P27T43. www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com巩固练习四教材P27T54. www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com103×12=（100+3）×12=100×12+3×12=1200+36=1236巩固练习四教材P28T65. www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com20×55=20×（50+5）=20×50+20×5=1000+100=1100巩固练习四教材P28T65. www.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.comwww.youyi100.com24×205=24×（200+5）=24×200+24×5=4800+120=4920巩固练习四教材P28T65. 查看更多

小学数学人教版四年级下册教学3单元运算定律5课时乘法运算定律2

资料简介

相关资料