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三位数(末尾、中间有 0 )乘一位数的乘法笔算

三位数(末尾、中间有 0 )乘一位数的乘法笔算. 读题并口算出结果 。. 0×8 5×0 0×9. 0×3+2 6+5×0 7-0×9. 20×8 5×300 100×9. 你会列式吗?. 350×3=. 你能估一估结果吗?. 试着算一算!. 想一想: 0×3 能省略吗?. 试一试 :. 230×4 5×320 170×3. 先算一算,再比一比!. 40×8 5×200 60×7 300×8. 有什么好方法?. 我估算: 406≈400 400×5=2000. 406×5 的积比 2000 大一些。.

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三位数(末尾、中间有 0 )乘一位数的乘法笔算

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  1. 三位数(末尾、中间有0)乘一位数的乘法笔算三位数(末尾、中间有0)乘一位数的乘法笔算

  2. 读题并口算出结果。 0×8 5×0 0×9

  3. 0×3+2 6+5×0 7-0×9

  4. 20×8 5×300 100×9

  5. 你会列式吗? 350×3=

  6. 你能估一估结果吗?

  7. 试着算一算! 想一想:0×3能省略吗?

  8. 试一试: 230×4 5×320 170×3

  9. 先算一算,再比一比! 40×8 5×200 60×7 300×8 有什么好方法?

  10. 我估算: 406≈400 400×5=2000 406×5的积比2000大一些。 2000+30=2030

  11. 203

  12. 试一试: 103×5 4×502 306×7

  13. 算一算: 640 1040 3640 2472

  14. 火眼金睛辨对错。 (×) (×) (√) (×)

  15. 先估一估,再算一算。 140 600 315 510 1040

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