1、Unit 2 Whats your number?R-精通版 四年级上册Lesson 10提示：点击进入习题四一五二三一、核心素养练 抓住规律巧记忆。想一想，哪些数字可以直接加上teen组成新的数字呢?想一想，组一组，写一写。【儿歌记忆法】方法点拨：此题用儿歌记忆法解答。数字变化有规律，抓住规律巧记忆。一至十二需单记，一个一个记仔细。四至九后加teen，就由几变“十几”。five变成fifteen，thirteen十三不一致。还有十八是eighteen，去t再加teen。1._ teen _2._ teen _3._ teen _4._ teen _seven seventeennine ni
2、neteenfour fourteensix sixteen二、想一想，填一填。开动脑筋，在下边的方框内填入1到9里的某个数字单词，并在圆圈中填上正确的运算符号，使等式成立。注意：数字不得重复。3.ten4.ten1.ten2.ten one nineeight twothree sevenfour six三、读一读，选一选。()1.Lets count_4_8.A.for;toB.from;to C.from;of()2.Whats five_six?A.toB.forC.andBC()3._ good!A.Very B.Are C.Is()4._ play a game.A.Can B.D
3、o C.Lets()5.Thats_.It is eighteen.A.morning B.right C.numberACB四、想一想，算一算，选一选。观察下面各题目中的规律，选出正确的答案。()1.What colour is number seven?A.Its yellow.B.Its red.C.Its blue.1.Yellow 2.Red 3.Blue4.Yellow 5.Red 6.BlueA()2.What is number eight?A.B.()3.What is number eighteen?A.B.C.BB五、读一读，根据语境，选择正确的句子补全对话。A：1._B
4、：OK!A：2._B：You are a teacher.CA.Whats two and sixteen?B.What do I do?C.Lets play a game!D.Thats right.E.Hi,class!Whats eight and nine?BA：Yes.3._B：Hi,teacher.Its seventeen.A：4._B：Its eighteen.A：5._EADA.Whats two and sixteen?B.What do I do?C.Lets play a game!D.Thats right.E.Hi,class!Whats eight and nine?
