Rectangle - Tiếng anh | Trường Đại học Thủ đô Hà Nội

1. Knowledge:- Identify the definition of a rectangle.- Recognize some elements (vertices, sides, corners) of a rectangle. Tài liệu giúp bạn tham khảo, ôn tập và đạt kết quả cao. Mời bạn đọc đón xem!

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Profile Mai Nguyệt
LESSON PLAN
RECTANGLE
Class: 3
Time: 40 mins
I. AIMS:
1. Knowledge:
- Identify the definition of a rectangle.
- Recognize some elements (vertices, sides, corners) of a rectangle.
2. Skills:
- Draw the rectangle.
- Name the rectangle.
3. Attitude:
- Enjoy learning Math.
- Interested in the lesson.
II. TEACHING AIDS:
1. Teacher:
- the sample rectangle shape.
- Eke to check right angles, measure length.
2. Student:
- Books, textbooks.
III. METHODS AND TECHNIQUES:
1. Methods: Questions and answers; observation method, group activities,...
2. Techniques: Ask questions, brainstorm,...
IV: VOCABULARY:
Words Spelling Meaning
1. Right angle
(n)
/rait/ / ŋ l/ˈӕ ɡ An angle of ninety degrees, like any of the
four angles in a square.
2. Vertex (n) /və rteks/ː The point where two lines join to form an
angle, especially the point that is opposite
the base of a triangle.
3. Length (n)
/leŋθ/ The distance from one end to the other of
an object, etc
4. Width (n) /widθ/ Size from side to side
5.
Characteristic
(n)
/kær.ək.tə r s.t k/ˈ ɪ ɪ A typical or noticeable quality of someone
or something.
V. PROCEDURES:
Time Content Teacher’s activities Students’s activities
3-5’ Activities 1:
Warm – up
Object:
- Get excited
before the
lesson.
Methods:
Q&A
- Listen and sing a song:
Rectangular world.
- Ask:
+ Which picture was
mentioned in the song?
+ What are the
characteristics of a
rectangle?
- Introduce: “Today, I will
guide you to learn the
characteristics of the angle
and edge of the rectangle
through the lesson
"Rectangle”.
- Listen and sing.
- Answer
+ Rectangle.
+ Free reply.
- Listen.
- Invite 4 students to repeat
the first name of the lesson.
- Write the title of the
lesson on the board.
- 4 students repeat.
- Write the title of the
lesson on the
notebook.
13-15’ Activities 2:
Form new
knowledge
Object:
- Recognize
some
elements of
vertices,
edges, corners
of rectangles.
Methods:
Visualization,
observation,
conversation,
interpretation
* Introduce the rectangle:
- Hang on the sample
rectangle shape on the
board and introduce: This is
a rectangle ABCD.
- Invite 1 student to
measure the lengths of 2
long sides and 2 short sides
and use eke to check 4
corners in front of class.
- Ask students to read the
results, the teacher writes
them on the board:
+ Compare the
measurements of two
long sides AB and
CD; measure of two
short sides AD and
BC.
- Write on the board:
AB = CD : AD = BC.
- Observe and listen.
- Perform.
- Work in pairs to find
out the results.
+ Rectangle ABCD
has 2 long sides AB
equal to CD and 2
short sides AD equal to
BC.
- Ask: + What do you think
about the 4 corners of the
rectangle?
- Conclude: A rectangle
has 4 right angles, 2 equal
length sides and 2 equal
short sides.
- Find rectangular objects
around the classroom?
- Observe and write in
the notebook.
- Answer: + All 4
corners of a rectangle
are right angles.
- Listen and repeat.
- Window, doors,
board,...
15-17’ Activities 3:
Practice
Object:
- Recognize
rectangle by
edge, angle.
Methods:
Visualization,
observation,
conversation,
hands-on
practice
Exercise 1:
- Call on a student to read
the request of the lesson.
- Ask students to work in
pairs.
- Comment and conclude.
Exercise 2:
- Call on a student to read
the request of the lesson.
- Ask students to use the
- A student read.
- Work in pairs to find
out the results.
+ Rectangle: MNPQ
and RSTU
+ The shapes ABCD
and EGHI are not
rectangles.
- Listen.
- A student read.
- Do it individually.
ruler to measure the lengths
of the sides of the rectangle.
- Call on students to share
the results in front of the
class.
- Comment and conclude.
Exercise 3:
- Call on a student to read
the request of the lesson.
- Ask to observe the picture
to find all the rectangles in
the figure and calculate the
lengths of the sides.
- Ask students to work in
pairs.
- Share the results in
front of the class:
+ We have: side AB =
CD = 4cm and side
AD = BC = 3cm; MN
= PQ = 5cm and MQ =
NP = 2cm .
- Listen.
- A student read.
- Make request.
- Work in pairs to find
out the results.
+ Rectangles: ABNM,
ABCD, MNCD.
+ AB = CD = 4cm
+ AM = BN = 1cm
+ MD = NC = 2cm
- Comment and conclude.
Exercise 4:
- Call on a student to read
the request of the lesson.
- Ask students to draw a
rectangle in their
notebooks.
- Comment and conclude.
- Listen.
- A student read.
- Draw a rectangle in
the notebook.
- Share how to draw a
rectangle.
- Listen.
2-3’ Acitivities 3:
Consolidatio
n
- Ask: What are the
characteristics of a
rectangle?
- Comment and conclude: A
rectangle has 4 right
angles, 2 equal length sides
and 2 equal short sides.
- Answer the question.
- Listen and the whole
class repeats.
1-2’ Acitivities 4:
Homeworks
Ask students to go home:
- Practice drawing the diary
with the size you choose.
- Draw triangles,
quadrilaterals and measure
the lengths of its sides.
- Prepare post: Square
- Listen and write in
the notebook
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LESSON PLAN RECTANGLE Class: 3 Time: 40 mins I. AIMS: 1. Knowledge:
- Identify the definition of a rectangle.
- Recognize some elements (vertices, sides, corners) of a rectangle. 2. Skills: - Draw the rectangle. - Name the rectangle. 3. Attitude: - Enjoy learning Math. - Interested in the lesson. II. TEACHING AIDS: 1. Teacher: - the sample rectangle shape.
- Eke to check right angles, measure length. 2. Student: - Books, textbooks.
III. METHODS AND TECHNIQUES:
1. Methods: Questions and answers; observation method, group activities,...
2. Techniques: Ask questions, brainstorm,... IV: VOCABULARY: Words Spelling Meaning
1. Right angle /rait/ / ŋ ˈӕ l/ ɡ
An angle of ninety degrees, like any of the (n) four angles in a square. 2. Vertex (n) /və rteks/ ː
The point where two lines join to form an
angle, especially the point that is opposite the base of a triangle. 3. Length (n) /leŋθ/
The distance from one end to the other of an object, etc 4. Width (n) /widθ/ Size from side to side 5. /kær.ək.tə r ˈ s.t ɪ k/ ɪ
A typical or noticeable quality of someone Characteristic or something. (n) V. PROCEDURES: Time Content Teacher’s activities Students’s activities 3-5’ Activities 1:
- Listen and sing a song: - Listen and sing. Warm – up Rectangular world. Object: - Ask: - Answer
- Get excited + Which picture was + Rectangle.
before the mentioned in the song? lesson. + What are the Methods: characteristics of a + Free reply. rectangle? Q&A
- Introduce: “Today, I will - Listen. guide you to learn the characteristics of the angle and edge of the rectangle through the lesson "Rectangle”. - Invite 4 students to repeat the first name of the lesson.
- Write the title of the - 4 students repeat. lesson on the board. - Write the title of the lesson on the notebook. 13-15’ Activities 2:
* Introduce the rectangle: Form new
- Hang on the sample - Observe and listen. knowledge rectangle shape on the board and introduce: This is Object: a rectangle ABCD.
- Recognize - Invite 1 student to some measure the lengths of 2 elements of - Perform. long sides and 2 short sides vertices, and use eke to check 4
edges, corners corners in front of class. of rectangles. - Ask students to read the Methods: results, the teacher writes Visualization, them on the board: observation, + Compare the - Work in pairs to find conversation,
measurements of two out the results. interpretation long sides AB and CD; measure of two
short sides AD and + Rectangle ABCD BC. has 2 long sides AB equal to CD and 2 short sides AD equal to BC. - Write on the board: AB = CD : AD = BC. - Ask: + What do you think
about the 4 corners of the - Observe and write in rectangle? the notebook.
- Conclude: A rectangle - Answer: + All 4
has 4 right angles, 2 equal corners of a rectangle
length sides and 2 equal are right angles. short sides. - Listen and repeat. - Find rectangular objects around the classroom? - Window, doors, board,... 15-17’ Activities 3: Exercise 1: Practice
- Call on a student to read - A student read. Object: the request of the lesson.
- Recognize - Ask students to work in - Work in pairs to find rectangle by pairs. out the results. edge, angle. + Rectangle: MNPQ Methods: and RSTU Visualization, + The shapes ABCD observation, and EGHI are not conversation, rectangles. hands-on practice - Listen. - Comment and conclude. - A student read. Exercise 2:
- Call on a student to read - Do it individually. the request of the lesson. - Ask students to use the ruler to measure the lengths
of the sides of the rectangle. - Share the results in
- Call on students to share front of the class:
the results in front of the + We have: side AB = class. CD = 4cm and side AD = BC = 3cm; MN = PQ = 5cm and MQ = NP = 2cm . - Listen. - Comment and conclude. - A student read. Exercise 3:
- Call on a student to read - Make request. the request of the lesson. - Ask to observe the picture to find all the rectangles in the figure and calculate the lengths of the sides. - Ask students to work in pairs. - Work in pairs to find out the results. + Rectangles: ABNM, ABCD, MNCD. + AB = CD = 4cm + AM = BN = 1cm + MD = NC = 2cm - Listen. - Comment and conclude. Exercise 4: - A student read. - Call on a student to read the request of the lesson. - Ask students to draw a rectangle in their - Draw a rectangle in notebooks. the notebook. - Share how to draw a rectangle. - Listen. - Comment and conclude. 2-3’ Acitivities 3:
- Ask: What are the - Answer the question. characteristics of a Consolidatio rectangle? n - Comment and conclude: A
rectangle has 4 right - Listen and the whole
angles, 2 equal length sides class repeats.
and 2 equal short sides. 1-2’ Acitivities 4: Ask students to go home: - Listen and write in the notebook Homeworks - Practice drawing the diary with the size you choose. - Draw triangles, quadrilaterals and measure the lengths of its sides. - Prepare post: Square