This document appears to be a lesson plan on wedges that includes various learning activities. It begins with introducing the importance of time and proper classroom behavior. The lesson then discusses how early humans discovered the usefulness of wedge-shaped rocks for cutting. Students participate in different hands-on activities to identify wedges, describe their characteristics, and understand their various uses. The lesson emphasizes safety procedures for handling tools and ends with an evaluation of what was learned.

1. Prepared by: MARIA KENNEFER D. CADUBLA
Teacher-I

2. We value TIME
that we
consider it of
utmost
IMPORTANCE…

3. Observe
proper time
when you’re
doing
activity.

4. To learn best we
should keep an
open mind,
listening ears and
observe ONE
MOUTH RULE!

5. Please return the
materials after the
group activity we
will be needing
them next time…

6. Be sensitive.
Be gender
sensitive.
Maintain the
cleanliness of the
classroom.

7. Let’s learn,
work
together
and have
FUN!!!

8. WEDGE

9. Engagement:

10. Preparatory Activities:
a.Health Inspection
b.Science Trivia
Humans discovered
the benefits of a wedge
when they used the
jaggered edges of rocks
to cut animal flesh and
skin.

11. Early humans
smashed rocks
together with expert
skill to create sharp
edges.

12. Review:

13. What makes flag goes up
and down without anyone
climbing to put it at the top
and to put it down?

14. A Pulley is a wheel with a grooved
rim which is free to turn about a fixed
point called an axis. A pulley lifts
objects when a rope is pulled down.

15. Motivation:

16. -What is in the picture?
-What is the man doing?
-What is he using to chop
wood?
-The man has nine woods.
Each wood chopped into
eight pieces, how many
chopped wood in all?
-Prove your answer.
-What can these two back
to back inclined plane do to
some objects like a wood?

17. Exploration:
Differentiated
Instruction-
GROUP ACTIVITY

18. GROUP 1 – COLOR ME
Direction: Identify the wedge in the columns.
Color all the wedge GREEN

19. GROUP 2 –
MAGIC BOX!
Direction: Identify which
among the objects in
the box is a kind of
wedge.

20. Explanation:

21. Questions: (for Group 1)
1. How do you find your
activity?
2. Which among the group
are pictures of wedge?
3. How did you identify that
those pictures are wedge?
Questions: (for Group 2)
1. How do you find your activity?
2. Were you able to identify
which among the objects inside the
box are wedge?
3. How did you know that it is a
wedge? Describe its characteristics.

22. WEDGE

23. Wedge
• A wedge is a double incline plane
that is sharpened to an end.
• It can be used to separate two
portions of an object.

24. The thinner the
wedge is, the lesser
effort is needed to
cut objects.

25. • Pushes materials apart, cuts things
• Examples: axe, doorstop, chisel, nail,
saw, jackhammer, bulldozer, snow plow,
horse plow, zipper, scissors, airplane
wing, knife, fork, bow of a boat or ship
Wedge

26. Wedge
Pushes material apart,
cuts

29. Elaboration:
(Concept forming)
What are the
characteristics of a
wedge?

30. GROUP 1- What Are My Uses?
BUBBLE MAP
Direction: Put the uses of wedge in the bubble map.
Choose the letter of the correct answer inside the box
below.
WEDGE

31. a. Lift heavy object
b. Cut materials
c. Separate things
d. Hoist flag up and
down
e. Pull the curtains apart
f. Split things apart
g. Use to climb mountain

32. GROUP 2- What Am I?
Making Collage
From the given pictures, cut out the samples of wedge and paste it like
a collage.

33. Group reporting
Did you enjoy
our activities for
today?

34. BRING ME!
Tell them the safety in
handling and using simple
machines before doing the
activity.

35. SAFETY IN USING SIMPLE
MACHINES
Simple machine makes easier and
faster. However, if we do not handle them
with care they can harm us.
Precautionary measures in using
simple machines must be practiced in
order to avoid accidents. Here are some
measures to remember,
 Never play with sharp and pointed tools.
 When carrying sharp and pointed tools,
position the edge pointed downwards.

36.  Keep sharp and pointed tools in a tool box.
 Check the tools if it is in good condition
before using it.
 Do not leave tools on stairways or
unattended.
 When using a sharp tool always stay away
from small children
 When you are through using any tool, clean
them and put it back in its proper place.
 Oil the machines regularly to prevent from
rusting

37. Who among the class can
demonstrate the proper
carrying of a sharp and
pointed tools?
Let the learners look around and roam
around the classroom or you may look
inside your bag for a real sample of
wedge and be able to describe its
characteristics.

38. Evaluation:
-Differentiated Instruction

39. Direction: Choose the letter of the correct answer.
1. A wedge has ____ edge.
a.Rough b. colorful c. sharp
2. _______ is a two inclined plane.
a. wedge b. screw c. pulley
3. An example of a wedge is ________.
a. cup b. knife c. ramp
4. One characteristic of wedge is it can
______ other materials.
a. burn b. lift c. cut
5. It can be moved to one place to another.
a. yes b. no c. maybe

40. Match the wedge with its correct definition by
writing the corresponding number in the
answer column.
Wedge Answer
Knife
Axe
Doorstopper
Farm grader
Nail
Definitions
1. To hold together
2. To cut
3. To split
4. To tighten and to hold back
5. To scrape

41. A
S
S
I
G
N
M
E
N
T
Collect pictures of
wedge. Compile the
pictures in a journal.

42. Thank you for
listening!
Dll & PPT by: MARIA KENNEFER D. CADUBLA
Teacher-I /CES