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一年級心算速算技巧

錢諍諍2年前15瀏覽0評論

一年級心算速算技巧?

心算速算——簡稱快心算,也叫“口算”,數(shù)學教學方法之一。一種只憑思維及語言活動不借任何工具的計算方法。它能培養(yǎng)學生迅速的計算技巧,提高學生的注意、記憶和思維能力。

心算速算技巧

湊十法

湊十法”是進位加法的基本思路。運用“湊十法”能夠把進位加法轉化成整10加幾的問題,從而達到化難為簡的目的。

口訣

一九一九好朋友,二八二八手拉手,三七三七真親密,四六四六一起走。五五湊成一雙手。看大數(shù),分小數(shù),湊成十,加剩數(shù)。大數(shù)記心里,小數(shù)記手里。

一加九,十只小蝌蚪,二加八,十只花老鴨,三加七,十只老母雞,四加六,十只金絲猴,五加五,十只大老虎。看到9想到1,看到8想到2,看到7想到3,看到6想到4。看到大數(shù)加小數(shù),先把兩數(shù)換位置。

含義

把一個加數(shù)分解成兩個數(shù),使得其中分解的一部分和另一個加數(shù)相加得到10,再用10加另外一部分數(shù)的方法,這就是湊十法。其基本原理是先使兩個數(shù)的和湊成10,再化成10加幾的計算方法。

技巧

比如:9+2=( ),根據(jù)“湊十法”:“9”和“1”是湊成“10”的,即9+1=10,后面的“2”分出“1”后就只剩下“1”了,所以:10+1=11。其他以此類推,如:

破十法

破十法要指當個位不夠減時,就用10減去減數(shù),剩下的數(shù)和個位上的數(shù)相加。

口訣

減九加一,減八加二,減七加三,減六加四,減五加五,減四加六,減三加七,減二加八,破大數(shù),加小數(shù)。

技巧

比如:11-4,1-4個位數(shù)不夠減,所以就從11(10+1)里,用10減去4,就等于6了,再用剩下的數(shù)字6和十位數(shù)上的1相加,等于7。

其他例子計算過程如下圖所示:

進位加法

方法一:“湊十法”(強調(diào):看大數(shù),分小數(shù),湊成十,加剩數(shù))。比如:8+5=8+2+3=13

方法二:“五五湊十”(當兩個加數(shù)都大于且接近5時適用)。比如:6+7=5+5+1+2=13

方法三:“多加減補”,比如:8+5=10+5-2=13。

退位減法

就是當兩個數(shù)相減,被減數(shù)的個位不夠減時,往前一位借位,相當于給這位數(shù)加上10,再進行計算。

口訣

幾減九退十加一、幾減八退十加二、幾減七退十加三、幾減六退十加四、幾減五退十加五、幾減四退十加六、幾減三退十加七、幾減二退十加八、幾減一退十加九。

做減法想加法

利用減法是加法的逆運算關系,用加法來思考。這個方法是在之前學習的進位加法基礎上進行的。例如,想()+9=27?(18)+9=27,所以27-9=18。這個方法運用好的前提就是進位加法必須得掌握好。

例如:11-9=(?),要想9+(?)=11,這樣就知道得多少了。

連減法

連減法是一個數(shù)連續(xù)減兩個數(shù),可以等于這個數(shù)減兩個數(shù)的和,得數(shù)不變。

口算方法比較多,如何找出適合自己的最佳方法是提高口算速度及正確率的關鍵。練習時可以和學生一起復習多種口算方法,讓學生通過比較,得出最佳的方法。提高計算能力,光掌握技巧是不夠的,還需要通過不斷做題練習鞏固,正所謂“熟能生巧”,這就需要老師或家長每日為寶貝出練習題來鞏固技能,特別注意的是:不要讓孩子數(shù)指頭,改掉不良習慣,逐步培養(yǎng)心算能力。

心算的訓練

第一步:會動作上簡單的計算從加減一開始用動作計算。

拿一個,家長說1加1,孩子由一個再加上一個,孩子快速報2,然后計算2+1=3,一直算到二十。算到二十再一個一個的減回來。注意,一定要算式和動作動應。

分析:從動作到物品到數(shù)概念的理解,是一個量變到質(zhì)變的過程,家長一定要細心!

第二步:用簡單的計算題練習速度從紙上隨意位置從一寫到十,讓孩子看數(shù)后快速加上一或減去一。

這樣把十或二十以內(nèi)的加減一練習相當熟練了(一秒一題),孩子就養(yǎng)成了一個快速計算的習慣。以后再學習其它計算,孩子也想盡快答出來。起初,孩子計算會常常算錯,但孩子在一秒鐘以內(nèi)就能感覺算錯了。

分析:計算其實就是1+1,這個搞懂了,其他就不用怕了。

第三步:循續(xù)漸進的練習其它計算

這里重要提示:計算題就只寫一張紙二十題就行,單頁訓練,不要怕重復。

工具書推薦

《神奇的邏輯思維游戲書》

這本書以彩色圖片的形式展示,更直觀,解析同樣是圖解,尤其是排列順序的問題。這本書所選的題目來自“世界趣味數(shù)學”,旨在培養(yǎng)孩子從多角度看問題的能力,對孩子的吸引力更大些。

《10倍速心算》

這本書很適合家長引導孩子學習心算方法,例題和各種解法,無論是通過文字講解或是習題慢動作回放,都是思路展示,家長都可以引導拓展孩子的解題思維,這樣也能幫助孩子逐步擺脫老師是否說過或教過,才可以接受新方法,這才能進入主動學習的狀態(tài)。

心算的好處

(1)心算速算可以有效的開發(fā)大腦的潛能。

教學法通過手的靈活性和大腦對手控制精度的訓練,模擬電腦運算原理從而形成最簡捷的計算方式。

(2)心算速算一旦掌握終生受益。

腦算是最實用的技術。全腦速算的教學過程不需要任何教具就能進行。不受空間地點的限制。

(3)心算速算教學效果奇特。

4-12歲的孩子通過45次課的系統(tǒng)學習就能快速腦算任意數(shù)加、減、乘、除、乘方及驗算。其速度可超過計算器。

(4)心算速算通過手的活動刺激大腦,最終讓孩子用腦算代替手算。

遵循全腦開發(fā)循序漸進的原理。

(5)數(shù)學是所有科學的工具和基礎。

心算速算的運算原理以有韻律的文字口訣表現(xiàn)出來,促進學科間的相互滲透,全面提高孩子的綜合能力。

(6)心算速算的訓練過程就是大腦記憶能力和快速反應能力的開發(fā)。

腦算能力好的人自然是大腦的記憶容量大和反應速度快。

(7)心算速算使左右手的快速伸屈刺激了左右腦細胞的興奮。

使左右腦平衡發(fā)展,同時活躍起來參與記憶和思維。促進智能開發(fā)。

(8)心算速算提高孩子的操作技能。

技能的訓練,都是手腦協(xié)調(diào)的訓練,即大腦對手的控制指揮能力的訓練,訓練手腦配合的協(xié)調(diào),使手變的靈巧自如,從而促進孩子的潛能開發(fā)。

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"心算速算——簡稱快心算,也叫“口算”,數(shù)學教學方法之一。一種只憑思維及語言活動不借任何工具的計算方法。它能培養(yǎng)學生迅速的計算技巧,提高學生的注意、記憶和思維能力。","id":""}],"text":"","id":"doxcnmCcWyA604acMsRir2SydNb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"心算速算技巧","id":""}],"text":"","id":"doxcnuOykM4EU0YYsgTxD7NwDRh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"湊十法","id":""}],"text":"","id":"doxcnYMQIwoG2eKY6K2jgtNBwgc"},{"type":"paragraph","children":[{"type":"text","text":"湊十法”是進位加法的基本思路。運用“湊十法”能夠把進位加法轉化成整10加幾的問題,從而達到化難為簡的目的。","id":""}],"text":"","id":"doxcnqGUY0mEMQEQKSc8DSbGG5c"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"口訣","id":""}],"text":"","id":"doxcnyIa66kC86suOKM05Fq52Ef"},{"type":"paragraph","children":[{"type":"text","text":"一九一九好朋友,二八二八手拉手,三七三七真親密,四六四六一起走。五五湊成一雙手。看大數(shù),分小數(shù),湊成十,加剩數(shù)。大數(shù)記心里,小數(shù)記手里。","id":""}],"text":"","id":"doxcnQGYuI4AyC2OuOmyQfJxFFh"},{"type":"paragraph","children":[{"type":"text","text":"一加九,十只小蝌蚪,二加八,十只花老鴨,三加七,十只老母雞,四加六,十只金絲猴,五加五,十只大老虎。看到9想到1,看到8想到2,看到7想到3,看到6想到4。看到大數(shù)加小數(shù),先把兩數(shù)換位置。","id":""}],"text":"","id":"doxcnsoQicK44e6mwhojr67dpet"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"含義","id":""}],"text":"","id":"doxcnYGssmmsuUSKqmuf8dAYj9e"},{"type":"paragraph","children":[{"type":"text","text":"把一個加數(shù)分解成兩個數(shù),使得其中分解的一部分和另一個加數(shù)相加得到10,再用10加另外一部分數(shù)的方法,這就是湊十法。其基本原理是先使兩個數(shù)的和湊成10,再化成10加幾的計算方法。","id":""}],"text":"","id":"doxcnk6CyC0e60quuwzjVus2i2f"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"技巧","id":""}],"text":"","id":"doxcnKgqm2AOm2IUIKuVtH0UKbd"},{"type":"paragraph","children":[{"type":"text","text":"比如:9+2=( ),根據(jù)“湊十法”:“9”和“1”是湊成“10”的,即9+1=10,后面的“2”分出“1”后就只剩下“1”了,所以:10+1=11。其他以此類推,如:","id":""}],"text":"","id":"doxcn848AGQS0gMyysh7YFmsRcg"},{"type":"image","attrs":{"height":2801,"note":[{"type":"text","text":"技巧","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/d33ead69f2aa400287051e1b6f6c52d4","width":2000},"text":"","id":"doxcnGm44awaimIySWWYyWOEpgc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"破十法","id":""}],"text":"","id":"doxcnmewi0SmGaQgoEbHyiAS7Nf"},{"type":"paragraph","children":[{"type":"text","text":"破十法要指當個位不夠減時,就用10減去減數(shù),剩下的數(shù)和個位上的數(shù)相加。","id":""}],"text":"","id":"doxcnSEq6yY6KeWe0EDLUdrM76c"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"口訣","id":""}],"text":"","id":"doxcnCk2YqkUMUccuOeK4aBPJCf"},{"type":"paragraph","children":[{"type":"text","text":"減九加一,減八加二,減七加三,減六加四,減五加五,減四加六,減三加七,減二加八,破大數(shù),加小數(shù)。","id":""}],"text":"","id":"doxcniqeSMCqagICaQj4HVHct8e"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"技巧","id":""}],"text":"","id":"doxcnQs44SCKUCkqI4qGjcqlfAb"},{"type":"paragraph","children":[{"type":"text","text":"比如:11-4,1-4個位數(shù)不夠減,所以就從11(10+1)里,用10減去4,就等于6了,再用剩下的數(shù)字6和十位數(shù)上的1相加,等于7。","id":""}],"text":"","id":"doxcnqe6SEIuW0GKoM7Q0XbKHPe"},{"type":"paragraph","children":[{"type":"text","text":"其他例子計算過程如下圖所示:","id":""}],"text":"","id":"doxcn88sGwWomy0Kewb992IdAhe"},{"type":"image","attrs":{"height":427,"note":[{"type":"text","text":"技巧","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/c91aded5dfe14238b34a799923c26832","width":639},"text":"","id":"doxcn2esGkUaqUK2c4TVJeJfPnb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"進位加法","id":""}],"text":"","id":"doxcnM8qCQ6UEKCy4qsjmXFFNFf"},{"type":"paragraph","children":[{"type":"text","text":"方法一:“湊十法”(強調(diào):看大數(shù),分小數(shù),湊成十,加剩數(shù))。比如:8+5=8+2+3=13","id":""}],"text":"","id":"doxcnIsWq4IOCwIg2CG1iLcSQKh"},{"type":"paragraph","children":[{"type":"text","text":"方法二:“五五湊十”(當兩個加數(shù)都大于且接近5時適用)。比如:6+7=5+5+1+2=13","id":""}],"text":"","id":"doxcn8OAm4aYYaayOYpjEnK7FAe"},{"type":"paragraph","children":[{"type":"text","text":"方法三:“多加減補”,比如:8+5=10+5-2=13。","id":""}],"text":"","id":"doxcnkygYaSsyyiyeILSBPIAJif"},{"type":"image","attrs":{"height":244,"note":[{"type":"text","text":"進位加法","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/972596c775fb4927bbb11541e35cebef","width":499},"text":"","id":"doxcn4WyWKAqywiSWGotv9hYZve"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"退位減法","id":""}],"text":"","id":"doxcnMoCUKssMoIyeqAbk744X2c"},{"type":"paragraph","children":[{"type":"text","text":"就是當兩個數(shù)相減,被減數(shù)的個位不夠減時,往前一位借位,相當于給這位數(shù)加上10,再進行計算。","id":""}],"text":"","id":"doxcnAk6iIo8MKe66EfhwsfgO6g"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"口訣","id":""}],"text":"","id":"doxcn4OuCaqWkGWccgd0oANhb9g"},{"type":"paragraph","children":[{"type":"text","text":"幾減九退十加一、幾減八退十加二、幾減七退十加三、幾減六退十加四、幾減五退十加五、幾減四退十加六、幾減三退十加七、幾減二退十加八、幾減一退十加九。","id":""}],"text":"","id":"doxcnsOK64UmACsaWiWyLMTQKeg"},{"type":"image","attrs":{"height":761,"note":[{"type":"text","text":"口訣","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a6c05b8fcec241a5b0c60d7487a28733","width":1263},"text":"","id":"doxcnqW6cmkSUYsgW6ltbvRWEZd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"做減法想加法","id":""}],"text":"","id":"doxcnM2O84kkqww8wOq8iBgHvwd"},{"type":"paragraph","children":[{"type":"text","text":"利用減法是加法的逆運算關系,用加法來思考。這個方法是在之前學習的進位加法基礎上進行的。例如,想()+9=27?(18)+9=27,所以27-9=18。這個方法運用好的前提就是進位加法必須得掌握好。","id":""}],"text":"","id":"doxcno0uM6K42E4Ii0AthZpiLyn"},{"type":"paragraph","children":[{"type":"text","text":"例如:11-9=(?),要想9+(?)=11,這樣就知道得多少了。","id":""}],"text":"","id":"doxcn6gS2Q20qcuyIQNNLY2dOyg"},{"type":"image","attrs":{"height":810,"note":[{"type":"text","text":"做減法想加法","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/6568b30761c34c58b0a7ed72acc05c42","width":1080},"text":"","id":"doxcn4caWyGumI8EGSiDst5oDSh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"連減法","id":""}],"text":"","id":"doxcn8KuIeykw6kmgeAQl8sTorg"},{"type":"paragraph","children":[{"type":"text","text":"連減法","id":""},{"type":"text","text":"是一個數(shù)連續(xù)減兩個數(shù),可以等于這個數(shù)減兩個數(shù)的和,得數(shù)不變。","id":""}],"text":"","id":"doxcnaCk6uuIGYIwcSYcC15KWBc"},{"type":"image","attrs":{"height":810,"note":[{"type":"text","text":"連減法","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/b936a43133f440d6b837178610f455da","width":1080},"text":"","id":"doxcnqwGUE6Ya2c4yClkQIufJce"},{"type":"paragraph","children":[{"type":"text","text":"口算方法比較多,如何找出適合自己的最佳方法是提高口算速度及正確率的關鍵。練習時可以和學生一起復習多種口算方法,讓學生通過比較,得出最佳的方法。提高計算能力,光掌握技巧是不夠的,還需要通過不斷做題練習鞏固,正所謂“熟能生巧”,這就需要老師或家長每日為寶貝出練習題來鞏固技能,特別注意的是:不要讓孩子數(shù)指頭,改掉不良習慣,逐步培養(yǎng)心算能力。","id":""}],"text":"","id":"doxcnOOyKuO2006QKuU9N4pMowb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"心算的訓練","id":""}],"text":"","id":"doxcneCsYaIYeo2GYgFMIxcIlih"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"第一步:會動作上簡單的計算從加減一開始用動作計算。","id":""}],"text":"","id":"doxcnwo2AIWcsCIaWILqjBfqUJh"},{"type":"paragraph","children":[{"type":"text","text":"拿一個,家長說1加1,孩子由一個再加上一個,孩子快速報2,然后計算2+1=3,一直算到二十。算到二十再一個一個的減回來。注意,一定要算式和動作動應。","id":""}],"text":"","id":"doxcnwAYiK0oMgwoIodMC7iWKXg"},{"type":"paragraph","children":[{"type":"text","text":"分析:從動作到物品到數(shù)概念的理解,是一個量變到質(zhì)變的過程,家長一定要細心!","id":""}],"text":"","id":"doxcn24SkMsGmwuoMSWZHybs0Jh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"第二步:用簡單的計算題練習速度從紙上隨意位置從一寫到十,讓孩子看數(shù)后快速加上一或減去一。","id":""}],"text":"","id":"doxcnuaeWEQ2240YUInAchN5VFf"},{"type":"paragraph","children":[{"type":"text","text":"這樣把十或二十以內(nèi)的加減一練習相當熟練了(一秒一題),孩子就養(yǎng)成了一個快速計算的習慣。以后再學習其它計算,孩子也想盡快答出來。起初,孩子計算會常常算錯,但孩子在一秒鐘以內(nèi)就能感覺算錯了。","id":""}],"text":"","id":"doxcnwgGCYko2SSqMIlrE9uQX7c"},{"type":"paragraph","children":[{"type":"text","text":"分析:計算其實就是1+1,這個搞懂了,其他就不用怕了。","id":""}],"text":"","id":"doxcnycsC6y8cMAYIcF5531Jozf"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"第三步:循續(xù)漸進的練習其它計算","id":""}],"text":"","id":"doxcnyISqweAcqCyACQiVaafnCe"},{"type":"paragraph","children":[{"type":"text","text":"這里重要提示:計算題就只寫一張紙二十題就行,單頁訓練,不要怕重復。","id":""}],"text":"","id":"doxcnWWgice4M6YGM89tOaLz46f"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"工具書推薦","id":""}],"text":"","id":"doxcnA8UICmayEsu4oJ18mFF2Lb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"《神奇的邏輯思維游戲書》","id":""}],"text":"","id":"doxcnciOqkyU8Ck4YRJjWYoNIi7"},{"type":"paragraph","children":[{"type":"text","text":"這本書以彩色圖片的形式展示,更直觀,解析同樣是圖解,尤其是排列順序的問題。這本書所選的題目來自“世界趣味數(shù)學","id":""},{"type":"text","text":"”","id":""},{"type":"text","text":",旨在培養(yǎng)孩子從多角度看問題的能力,對孩子的吸引力更大些。","id":""}],"text":"","id":"doxcngOSyKKe0iyMMIjCedBsD3f"},{"type":"image","attrs":{"height":500,"note":[{"type":"text","text":"工具書推薦","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/97b9956b9ac24d5e8ea9c70f7575e8f4","width":500},"text":"","id":"doxcn0ucC4skI8Qs2usVG7DPtvb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"《10倍速心算》","id":""}],"text":"","id":"doxcngMYWUUuICAegaktnrI1KKf"},{"type":"paragraph","children":[{"type":"text","text":"這本書很適合家長引導孩子學習心算方法,例題和各種解法,無論是通過文字講解或是習題慢動作回放,都是思路展示,家長都可以引導拓展孩子的解題思維,這樣也能幫助孩子逐步擺脫老師是否說過或教過,才可以接受新方法,這才能進入主動學習的狀態(tài)。","id":""}],"text":"","id":"doxcngcs8oc4YOEumKy1Mt8Oqcc"},{"type":"image","attrs":{"height":729,"note":[{"type":"text","text":"工具書推薦","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/f6df24df1646461dad1c49c9b953b45b","width":750},"text":"","id":"doxcnQqKIcQs2iUuUeI8ELLaChh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"心算的好處","id":""}],"text":"","id":"doxcnICqmOgGymOuygXEAy453wb"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(1)心算速算可以有效的開發(fā)大腦的潛能。","id":""}],"text":"","id":"doxcnSk2woIAkemO8yUHSCWN8if"},{"type":"paragraph","children":[{"type":"text","text":"教學法通過手的靈活性和大腦對手控制精度的訓練,模擬電腦運算原理從而形成最簡捷的計算方式。","id":""}],"text":"","id":"doxcnQkoog6EaQAOysHKwcSsree"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(2)心算速算一旦掌握終生受益。","id":""}],"text":"","id":"doxcno2qoasaYgOeqKwCU18dqKd"},{"type":"paragraph","children":[{"type":"text","text":"腦算是最實用的技術。全腦速算的教學過程不需要任何教具就能進行。不受空間地點的限制。","id":""}],"text":"","id":"doxcnQae4662wmu28WclhgtTE3c"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(3)心算速算教學效果奇特。","id":""}],"text":"","id":"doxcnqaSEmQcgKokw2XZpuSJZ4d"},{"type":"paragraph","children":[{"type":"text","text":"4-12歲的孩子通過45次課的系統(tǒng)學習就能快速腦算任意數(shù)加、減、乘、除、乘方及驗算。其速度可超過計算器。","id":""}],"text":"","id":"doxcnComwai2iqEUo418YdqmtJg"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(4)心算速算通過手的活動刺激大腦,最終讓孩子用腦算代替手算。","id":""}],"text":"","id":"doxcnMW4emmWoEi2qym2rM1E3Nf"},{"type":"paragraph","children":[{"type":"text","text":"遵循全腦開發(fā)循序漸進的原理。","id":""}],"text":"","id":"doxcno0GCa2aSqMKEwjH7iGM2td"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(5)數(shù)學是所有科學的工具和基礎。","id":""}],"text":"","id":"doxcnOUMGiEiMyWYiGY0RfpD1zA"},{"type":"paragraph","children":[{"type":"text","text":"心算速算的運算原理以有韻律的文字口訣表現(xiàn)出來,促進學科間的相互滲透,全面提高孩子的綜合能力。","id":""}],"text":"","id":"doxcnWCooCMwWoGkAiI1xJfhame"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(6)心算速算的訓練過程就是大腦記憶能力和快速反應能力的開發(fā)。","id":""}],"text":"","id":"doxcnO4ckmaQeaOQ2QLBw6ckH3Z"},{"type":"paragraph","children":[{"type":"text","text":"腦算能力好的人自然是大腦的記憶容量大和反應速度快。","id":""}],"text":"","id":"doxcnoO4gUU68QAMyEBijZtDaIh"},{"type":"paragraph","children":[{"type":"text","marks":[{"type":"strong"}],"text":"(7)心算速算使左右手的快速伸屈刺激了左右腦細胞的興奮。","id":""}],"text":"","id":"doxcny4KAWSmmg8c0kb0o99AiEd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css heading,一年級心算速算技巧