川教版四年级下册Lesson 4 Welcome to the dog show课堂教学课件ppt

这是一份川教版四年级下册Lesson 4 Welcome to the dog show课堂教学课件ppt，共50页。
找出以下数字的发音规律。
Find ut the rule.
Let’s learn
listen t me
Welcme t…S cl!shwGd fr yu.
Can yu say it in English?
A:Can yu say it in English?
B: Yes,I can. Nine plus three is twelve.
--What’s 15 minus 9?--It’s 6.
--What’s 12 minus 7?--It’s 5.
20 + 1 = 2120 + 2 = 30 + 3 = 40 + 4 = 70 + 5 = 90 + 10 = 100
A: What's : It's...
25-12=1325 minus 12 is 13.
18-11=718 minus 11 is 7.
2 plus 1 is 3.
2+1=33+2=54+3=75+4=9
2 minus 1 is 1.
2 - 1 = 13-2=14-3=15-4=1
Yes, I can.
Chse numbers, “+” r “-” and “=”. 组成等式并读出。 1 1 2 + - = 1 + 1 = 2 2 - 1 = 1
3 8 5 + - =
16 9 7 + - =
--What’s 5 plus 7?--It’s 12.
--What’s 12 plus 25?--It’s 37.
11+44=5511 plus 44 is 55.
8+0=88 plus 0 is 8.
正确掌握表述一些简单的加减的数字表达方法。
Plus ——“ + ”
Eight plus tw is ten
Thirteen minus tw is eleven
Minus ——“ – ”
What is eight plus tw？
What is thirteen minus tw？
Patty and Fatty
Wrk in pairs
Yes, I can. Nine plus three is twelve.
Sure. Sixteen minus fur is twelve.
2
1.Can yu say it in English?
4.Sure. Sixteen minus fur is twelve.
2.Yes, I can. Nine plus three is twelve.
Can yu say it in English?
请你扮演他们中的一员，练习对话。
Nine plus three is twelve. …
Yes, I can.Fur plus tw is six.
Yes, I can.Twenty minus eleven is nine.
（1） 12 + 25 = 37
Twelve plus twenty-five is thirty-seven..
（2） 7 + 8 = 15
Seven plus eight is fifteen.
( 3 ) 45－15 = 30
Frty-five minus fifteen is thirty.
( 4 ) 86－34 = 52
Eighty-six minus thirty-fur is fifty-tw.
( 5 ) 11 + 44 = 55
Eleven plus frty-fur is fifty-five.
( 6 ) 30－9 = 21
Thirty minus nine is twenty-ne.
(1) 12+25=37 (4) 86－34=52 (2) 7 + 8 = 15 (5) 11+44=55 (3) 45－15=30 (6) 30－9=21
Can yu say them in English?
我应该这样做：1.找到数字所对应的单词2.一定要分清楚“+”是“plus”,“－”是“minus”3.把凌乱的单词组成通顺的句子，并贴在卡纸上。
Cunt and say.12+___=21 ___-25=11 28-15=___ ___+35=99
Wh's the winner?谁是获胜者？
Welcme t the dg shw!
1.Welcme! Welcme t the dg shw! Meet Fatty and Hatty.
2.Fatty, answer my questin. What’s 5 plus 7?
3. It’s 12. Great!
5.Well dne, Fatty!
4. A clever dg!
6.Hatty, listen t me! What’s 20 minus11?
7. Ww! It’s 9.
8.Gd fr yu, Hatty!
Fatty, Hatty, say gdbye.
Gdbye. Bye-bye.
Wf! Wf! Wf!
Listen, tick and say.
听录音，将所听到的内容进行勾选并读出内容。
What have yu learned?都学到了什么？
ask, answer, listen t me, say gdbye, meet, shwWelcme t… S cl!Gd fr yu.
plus+ , minus-