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一个因数中间有 0 的乘法

一个因数中间有 0 的乘法. 射击比赛上,一共有三个射击靶,懒洋洋因为太紧张把箭都射到了灰太狼头上,你能用 加法 和 乘法 分别计算出三个射击靶上一共有多少支箭吗? 加法: 0 + 0 + 0 = 0 乘法: 0×3=. 0. 做一做. 0. 0. 0×4= 0×25= 0×0= 0+33= 0+2= 0+100=. 0. 33. 2. 100. 0 和任何数相乘都得 0 0 和任何数相加都得原数. 田径比赛.

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一个因数中间有 0 的乘法

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  1. 一个因数中间有0的乘法

  2. 射击比赛上,一共有三个射击靶,懒洋洋因为太紧张把箭都射到了灰太狼头上,你能用加法和乘法分别计算出三个射击靶上一共有多少支箭吗?射击比赛上,一共有三个射击靶,懒洋洋因为太紧张把箭都射到了灰太狼头上,你能用加法和乘法分别计算出三个射击靶上一共有多少支箭吗? • 加法:0 + 0 + 0 = 0 • 乘法:0×3= 0

  3. 做一做 0 0 0×4= 0×25= 0×0= 0+33= 0+2= 0+100= 0 33 2 100 0和任何数相乘都得00和任何数相加都得原数

  4. 田径比赛 • 灰太狼每分钟跑212米,4分钟灰太狼跑多少米?

  5. 田径比赛 • 灰太狼每分钟跑202米,4分钟灰太狼跑多少米?

  6. 田径比赛 • 喜羊羊每分钟跑306米,4分钟喜羊羊跑多少米?

  7. 302×3 708×3 • 309×4 604×5

  8. 5 0 1 1 0 6 5 0 4 × × × 3 5 2 1 5 0 3 5 3 0 1 0 0 8 火眼金睛辨对错

  9. 试着填一填! 3 7 0 2 × 2 × 5 4 0 6 3 5 2

  10. 动动脑 在○里填写“>”、“<”或“=” 1×2×3×4×5×6×7×8×9×0○1+2+3+4+5+6+7+8+9+0 405×2○807 105×6 ○600

  11. 本课小结 • 这节课我都学到了什么?

  12. 谢 谢 大 家

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