第三单元数学学习要点
(2010-12-05 13:58:04)
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杂谈 |
Module 1 Unit 3 Session 1: Counting from 10 to 20
教学目标:
熟知数词11到20的表达方式,在孩子们能够完全掌握的基础上,可以渗透数词的拼写。
Pearl
珍珠
10
and 1 more is called 11.
10
and 2 more is called 12.
10
and 3 more is called 13.
10
and 4 more is called 14.
10
and 5 more is called 15.
10
and 6 more is called 16.
10
and 7 more is called 17.
10
and 8 more is called 18.
10
and 9 more is called 19.
10
and 10 more is called 20.
Caterpillars
毛毛虫
13
toy animals on these shelves.
14
butterflies in these frames.
17
pineapples in these frames.
There are 18 tomatoes all together.
参考用书:page 91-92
教学目标:熟知数词20到50的表达方式,在孩子们能够完全掌握的基础上,可以渗透数词的拼写。
We need put suitcases on the plane. 我们需要把这些行李箱运到飞机上。
How
many suitcases are stacking here?
Click on this switch to start the machine. 按这个按钮来启动机器。
20
and one more is the number 21.
20
and two more is the number 22.
20
and three more is the number 23.
20
and four more is the number 24.
20
and five more is the number 25.
20
and six more is the number 26.
20
and seven more is the number 27.
20
and eight more is the number 28.
20
and nine more is the number 29.
20
and ten is the number 30.
blocks
木块,积木
One block shows one passenger/suitcase. 一块积木可以表示一位乘客/一个行李箱。
30/40 and one more is the number
31/41.
30/40 and two more is the number
32/42.
30/40 and three more is the number
33/43.
30/40 and four more is the number
34/44.
30/40 and five more is the number
35/45.
30/40 and six more is the number
36/46.
30/40 and seven more is the number
37/47.
30/40 and eight more is the number
38/48.
30/40 and nine more is the number
39/49.
30/40 and ten more is the number
40/50.
参考用书: page 93-94
Module 1 Unit 3 Session 3: Counting from 50 to 100
教学目标:熟知数词50到100的表达方式,在孩子们能够完全掌握的基础上,可以渗透数词的拼写。
This machine is for counting pennies.
Tube(s) 管子
There are ___ pennies altogether in the
machine.
5 full tubes of pennies hold 50 pennies. 5个管子里一共有50个硬币。
One more than 49 is 50. 比49多1的是50
6 full tubes of pennies hold 60 pennies. 6个管子里一共有60个硬币。
One more than 59 is 60. 比59多1的是60
7 full tubes of pennies hold 70 pennies. 7个管子里一共有70个硬币。
One more than 69 is 70. 比69多1的是70
8 full tubes of pennies hold 80 pennies. 8个管子里一共有80个硬币。
One
more than 79 is 80.
9 full tubes of pennies hold 90 pennies. 9个管子里一共有90个硬币。
One
more than 89 is 90.
10
full tubes of pennies hold 100 pennies.
One
more than 99 is 100.
This machine can help you to count 100 pennies. 这台机器可以帮你数100枚硬币。
74
candies in this jar
What is the word name of this number?
70
and 4 more is the number 74.
This is the word name seventy-four. 这是数字74的英文写法。
80
ping-pong balls in this box
3
ping-pong balls in this box
Which number shows 80 and 3 more?
80
and 3 more is the number 83.
This is the word name eighty-three. 这是数字83的英文写法。
In
which order do these numbers come after 96?
The
order of the missing numbers is 97, 98, 99, and 100.
One more than 96 is 97. 比96多1的是97
One more than 97 is 98. 比97多1的是98
One more than 98 is 99. 比98多1的是99
One more than 99 is 100. 比99多1的是100
skyscraper
摩天大楼
There are 7 windows lit in this roll. 有7扇窗户是被点亮的。
There are 67 windows lit in this
skyscraper.
参考用书:page 95-96
Module 1 Unit 3 Session 4: Skip-counting by Tens and Fives
教学目标:认知数字50-100,在认知的基础上,掌握50-100的英文名字,并能灵活运用到生活中。
pineapple
菠萝
use
one block to show one pineapple
use
ten blocks to show ten pineapples
ten more blocks to show ten more pineapples
count by 10’s 以10为单位来数数
There are 10 blocks in each roll. 每一行有10个积木。
Delicious pineapple juice
handle 把手
5 bottles of pineapple juice in a box 盒子里有5瓶菠萝汁
5
blocks to show 5 bottles of juice
5 more blocks to show 5 more bottles of juice
10
blocks to show 10 bottles of juice altogether
Counting by 5’s, there are 5, 10, 15, 20, 25, 30,
35 blocks.
There are 10 butterflies in each
roll.
How
many butterflies are there altogether?
Count by 10’s
There are 40 butterflies altogether.
There are 5 eggs in each nest.
Count by 5’s.
The lollipops in these boxes are packed in rolls of 10. 盒子里的棒棒糖是以一行为10个来摆放的。
Which of these boxes has 40
lollipops?
paintbrushes
画笔,漆刷,画刷
There are 10 paintbrushes in this
pot.
And there are 10 paintbrushes in each of these pots. 每个罐子里各有10支画笔
How many paintbrushes are there altogether? 一共有多少支画笔?
1
pot has 10 paintbrushes.
2 pots have 20 paintbrushes. 两个罐子里有20支画笔
3 pots have 30 paintbrushes. 三个罐子里有30支画笔
4 pots have 40 paintbrushes. 四个罐子里有40支画笔
5 pots have 50 paintbrushes. 五个罐子里有50支画笔
参考用书: page 97-98
Module 1 Unit 3 Session 5: Skip-counting by Twos
教学目标:1. 以2为单位,从2数到30
How many bags of laundry are there? 有多少袋衣物?
There are 2 bags of laundry. 有两袋衣物
2 blocks to show 2 laundry bags 两块积木可以表示两袋衣物
2 more bags of laundry 多于两袋衣物
two
socks = a pair of socks
count by 2’s 以2为单位来数数
2 and every other number after 2 are called even numbers. 以2为基准,2后面的每隔一个数称之为偶数。
2,4,6,8,10,12,14,16,18,20,22,24,26,28,30 are even numbers. 这些数字是偶数
1 sock in the basket 篮子里有1只袜子
9 blocks show there are 9 socks in the basket altogether. 九块积木可以表示篮子里有9只袜子
Starting at 1, and counting by 2, every other number after 1 is called odd number. 从1开始,以2为单位开始数数,每隔一个数称之为奇数。
So 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29 are called odd numbers.这些数字都是奇数
One more than any odd number is an even number. 比任何一个奇数大一的数是偶数。
One more than any even number is an odd number. 比任何一个偶数大一的数十奇数。
How
many gloves are there?
There are 12 gloves.
Counting by 2’s, there are 2, 4,6,8,10,12
gloves.
How
many knives and forks are there?
There are 26 knives and forks.
Counting by 2’s, there are
2,4,6,8,10,12,14,16,18,20,22,24,26 knives and forks.
Which tray has an even number of drinks? 哪个托盘有偶数杯饮料?
Starting at 2 and counting by 2’s, 2 and every other number is an even number. 从2开始,以2为单位来数,每隔一个数称之为偶数。
How
many flowers are there?
There are 15 flowers.
Starting at 1, and counting by 2’s, 1 and every other number is an odd number. 从1开头,以2为单位数数,每隔一个数称为奇数。
1, 3, 5,7,9,11,13,15,17,19 are odd numbers. 这些数字是奇数
Which rack has an odd number of hats? 哪个架子上有奇数顶帽子?
This rack has an odd number of hats. 这个架子上有奇数顶帽子
How many shoes are on the shelf altogether? 鞋架上一共有多少双鞋?
There are 16 shoes on the shelf.
There are 2 shoes in each pair.
So there are 2, 4, 6,8,10,12,14,16 shoes on this shelf. 所以架子上有2, 4, 6,8,10,12,14,16只鞋
How many shoes are on this shelf? 架子上有多少双鞋?
Not all of those shoes are in pairs. 不是所有的鞋都是成双的
Let’s count these shoes one by one. 让我们一起来数数这些鞋
There are 15 shoes on this shelf. 架子上有15只鞋
Which shelf has an even number of shoes? 哪个架子上有偶数只鞋?
16 is an even number. 16是偶数
This is an even number of bowling shoes on this shelf. 架子上有偶数只保龄鞋
参考用书: page 99-100