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  • 斑点狗小玻系列Spot says please.pdf

    斑点狗小玻系列Spot says please.pdf

    上传时间:2024-02-06 页数:13

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  • 人教版小学二年级数学下册知识点预习.docx

    人教版小学二年级数学下册知识点预习第一单元 数据整理与收集1.学会用正字记录数据。2.会数正,知道一个正字代表数量5。3.根据统计表,会解决问题。例:气象小组把6月份的天气作了如下记录:(1) 把晴天、雨天、阴天的天数分别填在下面的统计表中。天气名称晴天雨天阴天天数(2) 从上表中可以看出:这个月中( )的天数最多,( )的天数最少。(3) 这个月中阴天有( )天。(4) 这个月中晴天比雨天多( )天。(5) 这个月中阴天比雨天多( )天。(6) 你还能提出什么问题?第二单元 表内除法(一)1.平均分的含义:每份分得同样的多,叫做平均分。除法就是用来解决平均分问题的。2.平均分里有两种情况:(1)把一些东西平均分成几份,求每份是多少;用除法计算,总数÷份数=每份数例:24本练习本,平均分给6人,每人分多少本?列式:(2)包含除(求一个数里面有几个几)把一个数量按每份是多少分成一份,求能平均分成几份;用除法计算,总数÷每份数=份数例:24本练习本,每人4本, 能分给多少人?列式:3、除法算式的读法:从左到右的顺序读,÷读作以,=读作等于,其他数字不变。4、除法算式各部分名称:被除数÷除数=商。例:42÷7=6 42是(被除数),7是( ),6是( );这个算式读作( )。5.一句口诀可以写四个算式。(乘数相同的除外)。例:用三八二十四这句口诀解决的算式是( )A、24÷6= B、4×6=C、24÷3= D、24÷4=6、用乘法口诀求商,想:除数×商=被除数。第三单元 图形的运动1、轴对称图形:沿一条直线对折,两边完全重合。对折后能够完全重合的图形是轴对称图形,折痕所在的直线叫对称轴。成轴对称图形的汉字:一,二,三,四,六,八,十,大,干,丰,土,士,中,田,由,甲,申,口,日,曰,木,目,森,谷,林,画,伞,王,人,非,菲,天,典,奠,旱,春,亩,目,山,单,杀,美,春,品,工,天,网,回,喜,莫,罪,夫,黑,里,亚。2、平移:当物体水平方向或竖直方向运动,并且物体的方向不发生改变,这种运动是平移。只有形状、大小、方向完全相同的图形通过平移才能互相重合。3、旋转:物体绕着某一点或轴进行圆周运动的现象就是旋转。(一)填空1、汽车在笔直的公路上行驶,车身的运动是( )现象2、长方形有( )条对称轴,正方形有( )条对称轴。3、小明向前走了3米,是( )现象。4、如果一个图形沿着一条直线对折,两侧的图形能够完全重合,这样的图形叫做( )图形,这条直线就是( )(二)判断1、圆有无数条对称轴。 ( )2、张叔叔在笔直的公路上开车,方向盘的运动是旋转现象。 ( )3、所有的三角形都是轴对称图形。 ( )4、火箭升空,是旋转现象。 ( )5、树上的水果掉在地上,是平移现象 ( )(三)选择1、教室门的打开和关闭,门的运动是( )现象。A.平移 B旋转 C平移和旋转2、下面( )的运动是平移。A、旋转的呼啦圈 B、电风扇扇叶 C、拨算珠第四单元 表内除法二这单元主要是考口算题。有以下几种形式:1、用7、8、9的乘法口诀求商求商方法:想除数×( )=被除数,再根据乘法口诀计算得商。例.直接口算:28÷4  8÷82、解决问题求一个数里有几个几,和把一个数平均分成几份,求每份是多少,都用除法计算。例.填空:45÷9=5 表示把()平均分成()份,每份是();还表示( )里有()个();第五单元 混合运算1、同级运算:(连加,连减,连乘,连除,加减混合,乘除混合)在没有括号的算式里,只有加、减或只有乘、除法按照从左向右的顺序,依次计算。同级运算的类型:+ +,- -,+ -,- +× ×,÷ ÷,× ÷,÷ ×例:23+6+18 97-34-2832+11-8 53-24+382× 3 ×8 81÷9 ÷32× 8÷4 72÷ 8×42、非同级运算:(乘加,乘减,除加,除减)在没有括号的算式里,如果有乘、除法,又有加、减法,要先算乘、除法,再算加、减法。不同级运算的类型:× + , × -, + ×, - ×÷ + , ÷ -, + ÷, - ÷例:5× 6 +14 3× 7-163 + 5 ×9 45- 9×345÷9+14 64÷ 8-813 + 56÷7 64- 40 ÷83、带小括号运算的类型:×( + ), ×(-),( + )÷, (- )÷。算式里有括号的,要先算括号里面的。例:6×(7 + 2) (24-18)×9( 14+35 )÷7 (82-18 )÷84.把两个算式合并成一个综合算式。(重点)。先看分步算式的第二步算式,再看其中第一个数和第二个数哪个数是前一步算式的结果,就用前一步算式替换掉那个数,其他的照写。当需要替换的是第二个数,必要时还需要加上小括号。例:6×7=42

    上传时间:2023-05-23 页数:8

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  • Pearson 0-6岁低幼读物Hop on Top!.pdf

    Pearson 0-6岁低幼读物Hop on Top!.pdf

    上传时间:2024-02-06 页数:6

    532人已阅读

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  • 第一级(适合3-6岁儿童)小小一家人.pdf

    第一级(适合3-6岁儿童)小小一家人.pdf

    上传时间:2024-02-06 页数:18

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  • 英文绘本创意教学we are going on a bear hunt.pdf

    英文绘本创意教学we are going on a bear hunt.pdf

    上传时间:2024-02-01 页数:19

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  • 英文绘本创意教学英文绘本创意教学Book 3.pdf

    英文绘本创意教学英文绘本创意教学Book 3.pdf

    上传时间:2024-02-01 页数:188

    532人已阅读

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  • (看图学语文,易学易懂)小学语文教材3A131-140.pdf

    (看图学语文,易学易懂)小学语文教材3A131-140.pdf

    上传时间:2023-05-15 页数:20

    532人已阅读

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  • 迪斯尼英文中级绘本Walt Disney_Alice in Wonderland (1972) .pdf

    迪斯尼英文中级绘本Walt Disney_Alice in Wonderland (1972) .pdf

    上传时间:2024-02-08 页数:16

    531人已阅读

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  • 原版高清绘本(不同于自制绘本)23本03-Nature_Trail.pdf

    原版高清绘本(不同于自制绘本)23本03-Nature_Trail.pdf

    上传时间:2024-02-07 页数:15

    531人已阅读

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  • 机灵狗第1级book1-monster mop.pdf

    机灵狗第1级book1-monster mop.pdf

    上传时间:2024-02-05 页数:7

    531人已阅读

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  • 机灵狗第1级s41- at the museum.pdf

    at the museumbook 41We saw a paw…a very big paw!We saw a claw…a very big claw!We saw a jaw…a very big jaw!We saw it all!

    上传时间:2024-02-05 页数:16

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  • 高清彩绘英文原版绘本Gingerbread Mouse.pdf

    高清彩绘英文原版绘本Gingerbread Mouse.pdf

    上传时间:2024-02-02 页数:30

    531人已阅读

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  • 72本贝贝熊早教英文绘本之Berenstain_Bears_and_the_Bad_Habit.pdf

    72本贝贝熊早教英文绘本之Berenstain_Bears_and_the_Bad_Habit.pdf

    上传时间:2024-02-02 页数:34

    531人已阅读

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  • 机灵狗第1级S15_two turtles.pdf

    Two turtlesS115One turtle,two turtles.One bear,two bears.One tiger,two tigers.help!

    上传时间:2024-02-05 页数:16

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  • Dora's snowy forest adventure (2008.Simon Spotlight-Nick Jr.) (Brainiac).pdf

    Dora's snowy forest adventure (2008.Simon Spotlight-Nick Jr.) (Brainiac).pdf

    上传时间:2024-02-05 页数:17

    530人已阅读

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  • 英文绘本创意教学A Dark Dark Tale.pdf

    英文绘本创意教学A Dark Dark Tale.pdf

    上传时间:2024-02-01 页数:28

    530人已阅读

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  • 【小学生语文绘本课堂】六年级上练习书 B1(图片太大转换后模糊,请下载查看清晰版).pdf

    【小学生语文绘本课堂】六年级上练习书 B1.pdf

    上传时间:2023-05-24 页数:243

    530人已阅读

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  • 小木屋系列英文绘本01-Little House in the Big Woods_0064400018.pdf

    Little House in the Big Woods BY LAURA INGALLS WILDERA Division of HarpcrColl'msPublishers LITTLE HOUSE IN THE BIG WOODS 1 WINTER DAYS AND WINTER NIGHTS 24 THE LONG RIFLE 45 CHRISTMAS 59 SUNDAYS 83 Two BIG BEARS 101 THE SUGAR SNOW 117 DANCE AT GRANDPA'S 131 GOING TO TOWN 156 SUMMERTIME 177 HARVEST 199 THE WONDERFUL MACHINE 212 THE DEER IN THE WOOD 229Little House in the Big Woods 1LITTLE HOUSE IN THE BIG WOODS nce upon a time, sixty years ago, a little girl lived in the Big Woods of Wisconsin, in a little gray house made of logs. The great, dark trees of the Big Woods stood all around the house, and beyond them were other trees and beyond them were more trees. As far as a man could go to the north in a day, or a week, or a whole month, there was nothing but woods. There were no houses. O 2 LITTLE HOUSE IN THE BIG WOODS There were no roads. There were no people. There were only trees and the wild animals who had their homes among them. Wolves lived in the Big Woods, and bears, and huge wild cats. Muskrats and mink and otter lived by the streams. Foxes had dens in the hills and deer roamed everywhere. To the east of the little log house, and to the west, there were miles upon miles of trees, and only a few little log houses scattered far apart in the edge of the Big Woods. So far as the little girl could see, there was only the one little house where she lived with her father and mother, her sister Mary and baby sister Carrie. A wagon track ran before the house, turning and twisting out of sight in the woods where the wild animals lived, but the little girl did not know where it went, nor what might be at the end of it. The little girl was named Laura and she called her father, Pa, and her mother, Ma. In those days and in that place, children did not3 LITTLE HOUSE IN THE BIG WOODS say Father and Mother, nor Mamma and Papa, as they do now. At night, when Laura lay awake in the trundle bed, she listened and could not hear anything at all but the sound of t

    上传时间:2024-02-15 页数:256

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  • Three Blind Mice (Frederick Warne & Co).pdf

    Three Blind Mice (Frederick Warne & Co).pdf

    上传时间:2024-02-08 页数:37

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  • 自制绘本-55本PDFS02E03 Emily elephant.pdf

    自制绘本-55本PDFS02E03 Emily elephant.pdf

    上传时间:2024-02-07 页数:51

    529人已阅读

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