Standard 4 · 数学 (Mathematics)

小数

四年級的小數單元重點在於考驗大家對數位位值的理解，尤其是涉及小數加減法進位與退位時最容易因為疏忽而扣分。只要熟練掌握小數點對齊的技巧並多做練習，要在評估中取得滿分其實一點都不困難。

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