
b、斜右斜的×就叫乘号c、第一个乘数表示相同的加数,第二个乘数表示相同加数的个数,等号后面的数表示相同加数的和如:2×7=14,7个2相加可以写成2×7=14,也可以写成7×2=14,这里都表示7个2相加板书乘法的初步认识加数相同的加法,用乘法表示比较简便5个33+3+3+3+3=155×3=153×5=157个22+2+2+2+2+2+2=147×2=142×4=142×7=14读作:2乘7等于147×2=14读作:7乘2等于145+5+5=155×3=153×5=15二年级数学教学教案精选篇5一、 说教材本节课是在学生已经学习了1-7的乘法口诀的基础上,教学8的乘法口诀通过本节的教学,使学生进一步深入学习乘法口诀,为以后数学知识的学习奠定基础

03、做垃圾分类的监督者 不仅要自己做好垃圾分类收集,同时也应当好义务监督员,主动监督劝导垃圾分类中的不文明行为,发现不按规定分类投放生活垃圾的行为,及时主动告知正确的方式方法,齐心协力推进垃圾分类工作垃圾分类小贴士 可回收物为有回收价值的纸类、塑料类、玻璃类、金属类、织物类以及电器类纸巾和厕所纸水溶性太强不可回收,属于其它垃圾厨余垃圾包括剩菜剩饭、菜根菜叶、瓜果皮核渣、动物内脏、过期食品等,投入厨房专用垃圾桶对于同学们日常使用的餐盒,设置有专门的“流浪餐盒”垃圾柜回收:将剩菜剩饭倒入厨余垃圾,空的餐盒则放置进指定的垃圾桶有害垃圾:废充电电池、灯管、废水银温度计、废油漆桶、过期药品等日常用品需要特殊安全处理,应投放有害垃圾桶进行统-收集

4 four 16 sixteen 30 thirty 5,000 five thousand5 five 17 seventeen 40 forty 1,000,000 a million6 six 18 eighteen 50 fifty 1,000,000,000 a billion7 seven 19 nineteen 60 sixty8 eight 70 seventy9 nine 80 eighty10 ten 90 ninety11 eleven12 twelve2序数词:1 first 1st 11 eleventh 11th 20 twentieth 20th 100 one hundredth 100th2 second 2nd 12 twelfth 12th 21 twenty-first 21st 103 one hundred and third 103rd3 third 3rd 13 thirteenth 13th 30 thirtieth 30th 134 one hundred and thirty-fourth 134th4 fourth 4th 14 fourteenth 14th 37 thirty-seventh 37th 200 two hundredth 200th5 fifth 5th 15 fifteenth 15th 40 fortieth 40th 1000 one thousandth 1,000th6 sixth 6th 16 sixteenth 16th 50 fiftieth 50th 1,000,000 one millionth 1,000,000th7 seventh 7th 17 seventeenth 17th 60 sixtieth 60th 1,000,000,000 one billionth 1,000,000,000th8 eighth 8th 18 eighteenth 18th 70 seventieth 70th9 ninth 9th 19 nineteenth 19th 80 eightieth 80th10 tenth 10th 90 ninetieth 90th○1作主语:The first is better than the second

Where did Kublai Khan send Marco PoloWhen did Marco Polo leave ChinaDid Marco Polo write many stories about China in a bookWhat’s the name of this boo8Do the exercises, check the answers9Ask the Ss to read Part D, and choose one to think about10Write11Homework: Finish the writing人教版pep六年级下英语教案【篇5】教学目标:新课程强调知识与技能、过程与方法、情感态度与价值观三个角度的有机结合,本着这样的认识,我制定如下教学目标
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