一、[跨学科]算一算,用“＞”“＜”或“=”填空。
1. four × five () twelve
2. nine + seven () eighteen
3. twenty - three () seventeen
4. nine + six () fifteen
5. nineteen - five () fifteen

一、1. ＞ 2. ＜ 3. = 4. = 5. ＜

() 1.I pay twenty yuan a new bag.

A.with
B.to
C.for

二、1. C

() 2.How many do you see, Max?

A.panda
B.pandas
C.a panda

二、2. B

() 3.— How is this bag?
— It's twelve yuan.

A.old
B.many
C.much

二、3. C

() 4.I put a book my bag.

A.to
B.on
C.at

二、4. B

三、根据图片提示,补全对话。(数字用英文表达)
Qiqi: I have yuan. I want to buy some books.
Boy: How many books do you have now?
Qiqi: I have books. And I need two more books. How much is each book?
Boy: Seven yuan.
Qiqi: How about two for yuan?
Boy: Two for yuan.
Qiqi: OK.

三、twenty; eleven; twelve; thirteen

四、阅读短文,选择正确的答案。
Hi, I'm Lucy. Look! I have four boxes—a red box, a blue box, a yellow box and a green box. Thirteen balls are in the red box. Fifteen toy cars are in the blue box. Seventeen kites are in the yellow box. What's in the green box? Eleven pencils and eighteen crayons.
() 1. Lucy has boxes.
A. 3 B. 4 C. 5
() 2. There are thirteen in the red box.
A. balls B. pens C. toy cars
() 3. The kites are in the box.
A. red B. blue C. yellow
() 4. Eleven are in the green box.
A. pens B. pencils C. rulers

四、1. B 2. A 3. C 4. B