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Unit 3 How do we use numbers
课时练习3 Communicate—Extend
一、派对上大家玩了一个有趣的游戏。听短文，完成表格。
Question Equation Odd/Even number
Q1 Eleven minus four equals seven 1.__________number
Q2 2.________________________ odd number
Q3 Eight plus ten equals eighteen. 3.__________number
Q4 4_________________________ 5.__________number
二、早上Yingying 和父母边吃早餐边聊天。根据汉语或首字母提示写单词，补全句子。
1. Do you know the ________(答案)to this math problem
2. My parrot(鹦鹉) can s "Hello".
3. I can _________(使用)numbers to draw a picture.
4. Numbers help us count many ________(事物).
5. My dog can _________ ( 帮助)me find my socks.
三、朋友们来给Yingying 过生日。读句子，选择正确的答案。
( )1. I live in Room 207. It's a/an _______ number.
A. even B. odd C. phone
( )2. There are five red candles, three yellow candles and three blue candles on my birthday cake. I am _______ years old.
A. five B. eight C. eleven
( )3. I get eighteen gifts. One plane, two cars, three balls, five books and seven pencils. So I have _____ toys.
A. six B. eleven C. eighteen
( )4. Numbers can _______. Our party is at 4 o'clock.
A. make us fly B. tell us time C. tell us stories
( )5. We have a birthday cake. But we _______ have noodles or eggs.
A. don't B. doesn't C. aren't
四、生日聚会上，大家愉快地交谈。读问句，选择合适的答语。
( )1. How many books do you have
( )2. How old are you
( )3. What's the time
( )4. What's your phone number
( )5. How many people are there
五、Yingying 的生日派对开始了。读材料，完成下列任务。
① Today is Saturday. I celebrate my birthday with my parents and my friends in the park. There are seven girls and seven boys. They have many gifts for me. I also have fruit for them.
② Mum makes a big cake for me. We cut the big cake into 12 pieces (块). My parents eat two. Girls eat three, and boys eat two. It's sweet. After eating, we help Mum clean.
③ We put on a show! We sing and dance. We sing 4 Chinese songs and 2 English songs. My mum also sings a song for me. Before eating the cake, they sing the birthday song for me together. What a special party!
任务一：场景①—③分别对应下列1—3题。根据场景描述，列英文算式并回答问题。
1. Q: How many children are there
Equation(等式)：_________________________________________
Answer:_____________________________________________
2. Q: How many pieces of cake does Yingying have now
Equation: ____________________________________________
Answer:__________________________________________________
3. Q: How many songs do children sing
Equation: ________________________________________________
Answer:__________________________________________________
任务二：根据材料内容，判断句子正(T )误(F)。
( )1. Yingying's birthday is on Saturday, and she has a party at home.
( )2. Yingying's mum makes the cake, but she doesn't eat it.
( )3. Yingying's mum doesn't clean the table after eating the cake.
( )4. Yingying can sing English songs and Chinese songs.
六、公益活动上，大家纷纷献上爱心。阅读材料内容，完成下列任务。
主题：日常生活—公益捐助 语篇类型：表格
Our school wants to help the children in the countryside. They don't have enough (足够的) pencils, erasers, pens or rulers. My friends and I find these things at home. We write the numbers down.
任务一：根据表格内容，为下列问题选择正确的算式。
( )1. How many pencils do Class A and Class C have
( )2. How many erasers do they have in total
( )3. How many pens and pencils does Class C have
任务二：根据表格内容，判断句子正( T )误( F )。
( )1. The children in the countryside don't have enough desks.
( )2. Every class has 6 pens.
( )3. Class B and Class C have the same number of rulers.
听力原文
Let’s play a game. I have some pictures. You look at the picture, listen to me and count the number. Then tell me if the answer is odd or even. Question 1: I have eleven carrots. My rabbit eats four. How many carrots do I have now Question 2: My brother has five red apples and four green apples. How many apples does he have Question 3: We have eight basketballs and ten footballs. How many balls do we have Question 4: Three ducks are on the lake. Five ducks come here and two go away. How many ducks are there now
参考答案
一、1.odd 2.Five plus four equals nine. 3.even
4.Three plus five minus two equals six. 5.even
二、1.answer 2.say 3.use .things 5.help
三、1.B 2.C 3.A 4.B 5.A
四、1.D 2.E 3.C 4.A 5.B
任务一1.Seven plus seven equals fourteen.
There are fourteen children.
2.Twelve minus two minus three minus two equals five.
Yingying has five pieces of cake now.
3.Four plus two plus one equals seven.
They sing seven songs.
任务二1.F 2.F 3.F 4.T
六、任务一1.C 2.B 3.A
任务二1.F 2.T 3.T
A. It's 139********.
B. There are 15 people.
C. It's 5 o'clock.
D. I have 5 books.
E. I am 9 years old.
A. Five plus six equals eleven.
B. Five plus six plus nine equals twenty.
C. Seven plus five equals twelve.

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