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教育頭條 > 小學數學 > 期末考試時應該注意哪問題?小學數學高效復習方法

期末考試時應該注意哪問題?小學數學高效復習方法

小學數學 12-19 瀏覽量: 分享:
期末考試馬上就到了,小學復習、考試時應該注意什么呢?今天三好網資深數學老師給大家帶來小學數學高效復習方法,一起來學習!

 
小學數學

1

復習注意事項

(1)對課本知識分類整理,厘清脈絡

復習一定要有目的,有重點,要對所學知識歸納,概括。一定要厘清每一個單元的重點是什么,形成知識網絡體系。要分析之前做過的卷子和平時在課堂上作的聽課筆記,把重要概念、重要公式牢記。
 

(2)多做一些題型

數學永遠離不開習題,要每天做適當的練習,特別是重點和熱點題型,從而保持思維的靈活和流暢。習題要具有開放性,創新性,使思維得到充分發展。要借助習題正確評估自己,自覺查漏補缺。面對復雜多變的題目,嚴密審題,弄清知識結構關系和知識規律,發掘隱含條件,多思多找,得出自己的經驗。
 

(3)充分利用錯題本

要加強對以往錯題的研究,找錯誤的原因,對易錯知識點進行列舉、易誤用的方法進行歸納。找準了錯誤的原因,就能對癥下藥,使犯過的錯誤不再發生。學習成績優秀穩定的同學,往往很重視訂正和收集錯題。
 

(4)練習一題多解,多題一解,提高解題的靈活性

有些題目,可以從不同的角度去分析,得到不同的解題方法。一題多解可以培養分析問題的能力,靈活解題的能力。不同的解題思路,列式不同,結果相同,收到殊途同歸的效果。同時也給其他同學以啟迪,開闊解題思路。有些應用題,雖題目形式不同,但它們的解題方法是一樣的,故在復習時,要從不同的角度去思考,要對各類習題進行歸類,這樣才能使所學知識融會貫通,提高解題靈活性。

 

(5)要養成檢查的習慣

復習時如能注意檢查的重要性,效果也會事半功倍。根據同學們平時易出現的情況,建議培養從這些地方檢查的習慣:

檢查列式是否正確。讀題,看是否該用加法、減法、乘法或是除法來算。

列式正確后,看算式中的數字是否抄錯,是否和題中給我們的一樣。
 
用估算的方法檢查得數,如259+487,我們一看至少要等于六七百,如果得數是四百多,或三百多等,那計算一定錯了!

精確地再算一遍,以得到正確的結果。注意一定要筆算,五年級后,小數計算用口算很容易錯,而且要規范使用草稿本,不要以為是草稿本就可以亂寫亂畫!往往一些數由于書寫不規范,抄答案都抄錯!
 

檢查單位和答案有沒有填寫齊全。

操作題,要用鉛筆,尺、三角板畫圖,切不可信手亂畫,畫完后記得標明條件(如:直角符號、長2厘米、高3厘米等),是否和題目要求一致。

解方程題,要記得寫“解”,應用題還要先“設”。


2

考試注意事項

(1)認真審題,不可粗心      

有的同學對審題重視不夠,匆匆一看便急于下筆,以致題目的條件與要求都沒吃透,至于如何從題目中挖掘隱含條件、啟發解題思路就更無從談起,這樣解題出錯自然多。只有耐心仔細地審題,準確地把握題目中的關鍵詞與量,從中獲取盡可能多的信息,才能迅速找準解題方向。      
 

(2)計算要細心,不可圖快      

在題量大、時間緊的情況下,“準”字顯得尤為重要。只有“準”才能得分,只有“準”你才可以不必考慮再花時間檢查。而“快”是平時訓練的結果,不是考場上所能解決的問題,一味求快,只會落得錯誤百出。所以,適當地慢一點、準一點,可多得一點分,相反,快一點、錯一片,花了時間還得不到分。      
 

(3)要做到先易后難      

拿到試卷后,就將全卷通覽一遍,一般來說,應按先易后難、先簡后繁的順序作答。有時考題的順序并不完全是難易的順序,因此在答題時要合理安排時間,不要在某個卡住的題上打“持久戰”,那樣既耗費了時間又拿不到分,會做的題又被耽誤了,也有一些看似容易的題也會有“咬手”的關卡,看似難做的題也有可能得分之處。所以考試中看到“容易”的題不可掉以輕心,看到新面孔“難”題不要膽怯,冷靜思考、仔細分析,定能得到應有的分數。     
 

(4)要認真檢查  

試卷完成以后,對有懷疑的題目要進行檢查,彌補答題時的不足或漏做的題目。

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