Consolidate , advice - Teacher organizies game “Who fast , who right” + Prepare : Some different pictures are divided to different parts + Process : The presidents of 4 teams in class go[r]
Trang 1ONE FOURTH ( ONE QUARTER )
A Objectives
1 Knowledge : Help students aware of the conceptualization of “One
fourth”
2 Skill : Students have ability to identify , read and write 14
3 Attitude :
- Forging students seriously and positively ,
- Students interested in lesson and subjects
B Preparation of teaching aids
-PPT , Picture , piece of square cover
-Math grade 2 textboook
C The principal activities
Activites of Teacher Activites of Students
1 Warm up
- Check the number of students
2 Check the old lesson
- Teacher invites 3 students to do excersie
on the broad “ Calculate”
28 : 4 = ?
20 : 4 = ?
32 : 4 = ?
- Teacher checks students’s ansewer and comments
3 Teach the new lesson
a) Introduce
In the previous lessons , our class
are learned about 12 and 13 So
today , we are going to know the
new number , this “ One Fourth”
b) The new lesson
Activity 1 : Introduce the
- Class president reports the number
- All students calculate
28 : 4 = 7
20 : 4 = 5
32 : 4 = 8
- Some students read the division table of 4
Listen carefully and write the tilte
Trang 2number “One fourth”
- Aim : Students have
ability to identify , read and write 14
- Proceedings :
+ Ask students to look over a
square , repeat how to find 12 and
1
3 of square
+ Teacher comments and concludes
“ Want to find 12 of square , we
divide square to 2 parts equal , take
1 part , we have 12 of square And
find 13 of square we do the same
things.”
+Teacher specifies the picture and
asks :
How many parts of square are
divided ?
Is the parts of square equal ?
How many parts of square are
colored ?
+ Comment and Explain : Divide
square to 4 parts equal Take 1 part
and color So that the part is colored
, and is “One fourth” of the square
Memorize : To find A
quarter , we divide the
pictures to 4 parts , and take
1 parts , that is One fourth
+Teaching how to write sign 14 :
The number one writes above the
hyphen , the number four writers
under the hyphen Read “One
fourth”
+ Students repeat
+ Listen carefully
+ Students follow the guide to answer the questions :
4 parts
Yes , it is equal
1 part
+ Listen carefully
+ 1 Student read Whole class read the memorize
+ Listen carefully , follow the directions and practice write on small broad
+Students look and do exactly what the teacher teach with the circle
Trang 3+Teacher processes the same thing
with circle : Divide the circle to 4
parts equal , take 1 part and color ,
have a quarter of the circle
+Ask students repeat how to find ,
write and read “One fourth”
Activity 2 : Practice , do
excersies
- Aim : Students know
1
4 Practise divide to
4 parts equal
- Processdings :
Excersie 1 : What a quarter of the
picture is colored ?
A B C D
Teacher ask the students some
questions and explains :
+ How many parts of picture D are
divided ?
+ How many parts of picture D are
colored ?
So that picture D is not the
picture was colored to One
fourth
4 Consolidate , advice
- Teacher organizies
game “Who fast , who right”
+ Prepare : Some different pictures
are divided to different parts
+ Process : The presidents of 4
teams in class go to the broad write
fast and right which parts are colored
+ Teacher checks , comments and
+ Students repeat
+ Students read the tilte + Students look the picture and chose the right answer
+ Whole class comement, add , check the text
+ Picture A, B,C is the “ One fourth” + Picture D is divided to 6 parts
+There are 2 parts of picture D colored
+ Students listen the rules + Students play the game
+Students repeat the memorize how
to find 14
Trang 4concludes