(共15张PPT)
Unit 7 How much are these socks
Section B 1a-1e
New words
1. ten _________
2. eleven _________
3. twelve _________
4. thirteen _________
5. fifteen _________
6. eighteen _________
7. twenty _________
8. thirty _________
十
十一
十二
十三
十五
二十
三十
十八
1a
Listen and repeat.
10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31
1b
Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places
ten____ eleven____ twelve____ thirteen____
fourteen____ twenty-five____ twenty-six____
twenty-seven____ twenty-eight____ twenty-nine____
twenty____ twenty-one ____ twenty-two ____
twenty-three____ twenty-four____ fifteen ____
sixteen ____ seventeen ____ eighteen ____
nineteen____ thirty____ thirty-one____
10
11
12
13
14
25
26
27
28
29
20
21
22
23
24
15
16
19
17
30
18
31
10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31
1c
Listen and circle the numbers you hear
in 1a.
1c
Listen and circle the numbers you hear in 1a.
ten____ eleven____ twelve____ thirteen____
fourteen____ twenty-five____ twenty-six____
twenty-seven____ twenty-eight____ twenty- nine____
twenty____ twenty-one ____ twenty-two ____
twenty-three____ twenty-four____ fifteen ____
sixteen ____ seventeen ____ eighteen ____
nineteen____ thirty____ thirty-one____
1d
Listen again. Circle the things in the picture that Kate and her mom talk about. Check (√) the thing Kate buys.
√
Mom: Oh, look! I like that blue sweater. How
much is it
Kate: Fifteen dollars. Oh, I like these socks.
Mom: Oh, no. I don’t like red.
Kate: Do you like this T-shirt
Mom: Mmm, yes, I do, but it’s eleven dollars.
Tapescripts:
Kate: Oh. How much is the green sweater
Mom: It’s twenty dollars. But you have a green
sweater.
Kate: Mmm.
Mom: Oh, do you like these trousers
Kate: Oh, yes. How much are they
Mom: Only sixteen dollars.
Kate: OK, I’ll take them.
√
1e
Ask and answer questions about the things in the picture above.
How much is the white bag
It’s seventeen dollars.
How much are the black shoes
Role-play
They are eighteen dollars.
Language points
数词“几十几”
(1) 表达“几十几”用:
“几十”+连字符“-”+“几”
37→thirty-seven; 98→ninety-eight
(2) “几十几”是一个单词, 不能漏掉连字符。
Exercise
判断下列算式正误 (T/F) 。
( ) 1. twelve + eight = twenty
( ) 2. seven + eight = fifteen
( ) 3. thirty-one + seven = twenty-five
( ) 4. eleven + twenty = thirty-one
( ) 5. twenty-four + nine = thirty-two
T
T
F
T
F
Ⅱ. 完成句子。
1. —这件白色的T恤衫多少钱 ——25元。
— is the white T-shirt
— yuan.
2. —这短裤15元吗 ——是的。
— the shorts yuan
—Yes, they are.
How much
Twenty-five
Are
fifteen
3. —你喜欢什么颜色
—我喜欢黄色。
— do you like
—I like yellow.
4. —十五加十六等于多少 ——三十一。
— fifteen and sixteen — .
5. 这十双袜子35元。
These pairs of socks are yuan.
What color
What’s
Thirty-one
ten
thirty-five