《乘法口訣表》PPT課件.ppt
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一一得一,一二得二,一三得三,一四得四,一五得五,一六得六,一七得七,一八得八,一九得九,二二得四,二三得六,二四得八,二五一十,二六十二,二七十四,二八十六,二九十八,三三得九,三四十二,三五十五,三六十八,三七二十一,三八二十四,三九二十七,四四十六,四五二十,四六二十四,四七二十八,四八三十二,四九三十六,五五二十五,五六 三十,五七三十五,五八 四十,五九四十五,六六三十六,六七四十二,六八四十八,六九五十四,七七四十九,七八五十六,七九六十三,八八六十四,八九七十二,九九八十一,乘 法 口 訣 表,宿師附小 范琳,學(xué)習(xí)目標(biāo): 使同學(xué)們復(fù)習(xí)一下1-9的乘法口訣,并能根據(jù)乘法口訣計(jì)算相應(yīng)的除法算式。,,1 × 2 = 2,2 × 1 = 2,,2 ÷ 1 = 2,2 ÷ 2 = 1,,1 × 3 = 3,3 × 1 = 3,,3 ÷ 1 = 3,3 ÷ 3 = 1,,,1 × 4 = 4,4 × 1 = 4,,4 ÷ 1 = 4,4 ÷ 4 = 1,,,1 × 5 = 5,5 × 1 = 5,,5 ÷ 1 = 5,5 ÷ 5 = 1,,,1 × 6 = 6,6 × 1 = 6,,6 ÷ 1 = 6,6 ÷ 6 = 1,,,1 × 7 = 7,7 × 1 = 7,,7 ÷ 1 = 7,7 ÷ 7 = 1,,,1 × 8 = 8,8 × 1 = 8,,8 ÷ 1 = 8,8 ÷ 8 = 1,,,1 × 9 = 9,9 × 1 = 9,,9 ÷ 1 = 9,9 ÷ 9 = 1,,,2 × 3 = 6,3 × 2 = 6,,6 ÷ 2 = 3,6 ÷ 3 = 2,,,2 × 4 = 8,4 × 2 = 8,,8 ÷ 2 = 4,8 ÷ 4 = 2,,,2 × 5 = 10,5 × 2 = 10,,10 ÷ 2 = 5,10 ÷ 5 = 2,,,2 × 6 = 12,6 × 2 = 12,,12 ÷ 2 = 6,12 ÷ 6 = 2,,,2 × 7 = 14,7 × 2 = 14,,14 ÷ 2 = 7,14 ÷ 7 = 2,,,2 × 8 = 16,8 × 2 = 16,,16 ÷ 2 = 8,16 ÷ 8 = 2,,,2 × 9 = 18,9 × 2 = 18,,18 ÷ 2 = 9,18 ÷ 9 = 2,,,3 × 4 = 12,4 × 3 = 12,,12 ÷ 3 = 4,12 ÷ 4 = 3,,,3 × 5 = 15,5 × 3 = 15,,15 ÷ 3 = 5,15 ÷ 5 = 3,,,3 × 6 = 18,6 × 3 = 18,,18 ÷ 3 = 6,18 ÷ 6 = 3,,,3 × 7 = 21,7 × 3 = 21,,21 ÷ 3 = 7,21 ÷ 7 = 3,,,3 × 8 = 24,8 × 3 = 24,,24 ÷ 3 = 8,24 ÷ 8 = 3,,,3 × 9 = 27,9 × 3 = 27,,27 ÷ 3 = 9,27 ÷ 9 = 3,,,4 × 5 = 20,5 × 4 = 20,,20 ÷ 4 = 5,20 ÷ 5 = 4,,,4 × 6 = 24,6 × 4 = 24,,24 ÷ 4 = 6,24 ÷ 6 = 4,,,4 × 7 = 28,7 × 4 = 28,,28 ÷ 4 = 7,28 ÷ 7 = 4,,,4 × 8 = 32,8 × 4 = 32,,32 ÷ 4 = 8,32 ÷ 8 = 4,,,4 × 9 = 36,9 × 4 = 36,,36 ÷ 4 = 9,36 ÷ 9 = 4,,,5 × 6 = 30,6 × 5 = 30,,30 ÷ 5 = 6,30 ÷ 6 = 5,,,5 × 7 = 35,7 × 5 = 35,,35 ÷ 5 = 7,35 ÷ 7 = 5,,,5 × 8 = 40,8 × 5 = 40,,40 ÷ 5 = 8,40 ÷ 8 = 5,,,5 × 9 = 45,9 × 5 = 45,,45 ÷ 5 = 9,45 ÷ 9 = 5,,,6 × 7 = 42,7 × 6 = 42,,42 ÷ 6 = 7,42 ÷ 7 = 6,,,6 × 8 = 48,8 × 6 = 48,,48 ÷ 6 = 8,48 ÷ 8 = 6,,,6 × 9 = 54,9 × 6 = 54,,54 ÷ 6 = 9,54 ÷ 9 = 6,,,7 × 8 = 56,8 × 7 = 56,,56 ÷ 7 = 8,56 ÷ 8 = 7,,,7 × 9 = 63,9 × 7 = 63,,63 ÷ 7 = 9,63 ÷ 9 = 7,,,8 × 9 = 72,9 × 8 = 72,,72 ÷ 8 = 9,72 ÷ 9 = 8,,,總結(jié): 通過(guò)本節(jié)課的學(xué)習(xí),你學(xué)會(huì)這幾句乘法口訣了嗎?,- 1.請(qǐng)仔細(xì)閱讀文檔,確保文檔完整性,對(duì)于不預(yù)覽、不比對(duì)內(nèi)容而直接下載帶來(lái)的問(wèn)題本站不予受理。
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