ページ3:

SHEET KA PUUR
Lesson: Geometry
Lower Primary (P1-P2): Shapes and Patterns
•
Primary 1: Identifying 2D shapes (circles, triangles, squares, and
rectangles). Students learn to group shapes by color, size, or form and
complete simple patterns.
Primary 2: Introduction to 3D shapes (cubes, cuboids, cones, and
cylinders). Students learn to identify faces, edges, and vertices.
จูติวเตอร์ (

ページ4:

SHEE
Lesson: Geometry -1
P1-P2: IdentificationSquare, Cube, Vertex, Edge
MEET THE SHAPE There are four main shapes we
B
CIRCLE:
Round,
no corners!
SQUARE:
RECTANGLE:
2 long sides,
TRIANGLE:
3 straight sides,
3 corners!
4 equal sides,
2 short sides,
4 corners!
4 corners!
see every day:
• Circle: A circle is perfectly round. It has
no straight sides and no corners. It
looks like a cookie or a clock.
•Triangle: A triangle has 3 straight sides
and 3 pointy corners. It looks like a slice
of pizza or a roof on a house.
• Square: A square has 4 sides that are all the same length. It also has 4 corners. It looks like a
dice or a window.
• Rectangle: A rectangle also has 4 sides and 4 corners. But wait! It has 2 long sides and 2 short
sides. It looks like a door or your pencil box.

ページ5:

Lesson: Geometry
☺
Upper Primary (P5-P6): Area, Volume, and Complex Angles
How to Solve Angle Puzzles
When you see a diagram with a missing angle (usually labeled as x), just ask yourself
two questions:
• Is it a flat line? If yes, subtract the numbers you know from 180°.
• Does it go all the way around a point? If yes, subtract the numbers you know
from 360°.
Let's try a quick puzzle!
Puzzle A: Three angles are on a straight line. They are 50°, 70°, and x. What is the
value of x?
• Hint: 50+ 70 + x = 180
Puzzle B: You have four angles meeting at a point. Three of them are $90^\circ$
each. What is the fourth angle?
Hint: 90 +90 + 90 + ? = 360

ページ6:

Lesson: Geometry
Middle Primary (P3-P4): Angles and Symmetry
move from "naming" to "measuring."
Primary 3: * Right Angles: Identifying if an angle is a right angle, or if it
is greater/smaller than one.
• Lines: Understanding the difference between perpendicular lines (which
meet at 90°) and parallel lines (which never meet).
•
*
Primary 4: Angles in Degrees: Learning to use a protractor to measure
angles up to 180°.
tric Pigures and drawing
• Symmetry: Identifying symmetric figures and drawing lines of
symmetry.
• Rectangles & Squares: Learning the specific properties (e.g., all angles in
a rectangle are 90°).

ページ7:

SHEF
FUN WITH SHAPE PATTERNS!
What comes next?
That's right!
A Circle comes next.
Lesson: Geometry.
Shape Patterns
A pattern is something that repeats over
and over again. It's like a song for your
eyes!
Look at this pattern:
Circle → Square → Circle → Square → ?
What comes next? That's right! A Circle comes next.
Fun Activity: Try It Yourself!
Try It Yourself
Question 1: Who am I? I have 4 sides. 2 sides are long and 2 sides are short. What shape am I?
(Answer: A Rectangle)

ページ8:

Lesson: Geometry-
P3-P4: Measurement Parallel, Perpendicular, Degrees, Symmetry
Primary 4: Symmetry (The Magic Mirror)
A shape has symmetry if you can fold
it in half and both sides match
perfectly.
• The fold line is called the Line of
Symmetry.
• Some shapes, like a circle, have
many lines of symmetry. Others,
like an irregular squiggle, have
none!
FUN WITH SYMMETRY!
Fold it in half...
Both sides match!
Line of Symetry
The Magic Mirror
A circle has
MANY lines!
No matter how I
fold it, the sides
don't match! This
shape has NONE!