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分數乘法 – 從連加法到乘法運算

分數乘法 – 從連加法到乘法運算. 學習單位: 5n3. 本教學資源由教育局研發製作 , 免費提供給教師在香港作學與教用途。本教學資源的版權均屬香港特別行政區政府所有 , 如未獲書面授權 , 不可複製、改編、分發、發布或使用本教學資源作商業用途。如有查詢 , 請致電 3698 3574 或電郵 ite@edb.gov.hk 與教育局資訊科技教育組聯絡。. +. +. =. ?. +. +. +. +. =. ?. +. =. ?. +. +. =. +. ?. +. +. =. +. +. +. =. +. +. +. +.

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分數乘法 – 從連加法到乘法運算

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  1. 分數乘法 – 從連加法到乘法運算 學習單位:5n3 本教學資源由教育局研發製作,免費提供給教師在香港作學與教用途。本教學資源的版權均屬香港特別行政區政府所有,如未獲書面授權,不可複製、改編、分發、發布或使用本教學資源作商業用途。如有查詢,請致電3698 3574或電郵ite@edb.gov.hk與教育局資訊科技教育組聯絡。

  2. + + = ?

  3. + + + + = ?

  4. + = ?

  5. + + = + ?

  6. + + = + + + = + + + + = + = 這些連加式題可以用其他運算方法嗎?

  7. 驗證: 2 2 __ __ 4 3 x x + + = = 11 7 = + + + =

  8. + + x = 這樣的表達好嗎? = =

  9. + + = x 計算出來的積是假分數, 要將它化為帶分數。 = =

  10. + + + x = = =

  11. x x x = = = = = = 你已懂得分數乘以整數的計算方法嗎? 試告訴老師吧!

  12. 學習單位:5n3 本教學資源由教育局研發製作,免費提供給教師在香港作學與教用途。本教學資源的版權均屬香港特別行政區政府所有,如未獲書面授權,不可複製、改編、分發、發布或使用本教學資源作商業用途。如有查詢,請致電3698 3574或電郵ite@edb.gov.hk與教育局資訊科技教育組聯絡。

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