2. LESSON OBJECTIVES
Identify the model shapes that will represent
mathematical expressions.
Represent perfect square trinomials and
general trinomials using geometric model
shapes.
Find factors of perfect square trinomials and
general trinomials using ruler models.
4. CLASS STANDARDS
Listen respectfully, without interrupting.
Listen actively with ears to understanding
others' views relating to religion, economic
status, and ethnicity.
Speak only when recognized.
Always participate in all activities.
5. CLASS STANDARDS
During the discussion, do not take selfies,
gossip with seatmates, shout, run and avoid
frequent standing and going out,
Use cellphones only when told to do so.
Follow the Golden Rule: Treat others as you
would like to be treated.
16. FOLLOW UP QUESTIONS
1. From the algebraic expression, how many big
squares are required?
2. How many rectangles/small squares are
required? What color?
3. What bigger shape is formed from the smaller
shapes?
17. FOLLOW UP QUESTIONS
4. What do you call trinomials that form a square
from the small shapes used? What about those
that form rectangles from the small shapes used?
5. From the examples of perfect square
trinomials, what is always the color of the small
squares?
18. FOLLOW UP QUESTIONS
6. From the examples of perfect square
trinomials, how are the big squares/small
squares arranged?
7. What do you call the first and last terms of a
perfect square trinomial?
19. FOLLOW UP QUESTIONS
9. In general trinomials, can you relate the
appearance of small black squares to operation
of integers?
10. How are the rulers used to find the factors of
the trinomials?
21. Rubric in Assessing Performance During the Group Activity
Criteria Excellent (5) Very Satisfactory (4) Satisfactory (3)
Content 76% - 100% of the
questions are correctly
answered and or 76% -
100% of the procedures
are correctly
performed.
51% - 75% of the
questions are correctly
answered and or 51% -
75% of the procedures
are correctly
performed.
0% - 74% of the questions are
correctly answered and or 0% -
74% of the procedures are
correctly performed.
Teamwork and
cooperation
All members actively
participated.
Only 70% of the
members actively
participated.
Below 70% of the members
actively participated.
Delivery Shows confidence and
mastery in the
presentation.
Shows only confidence
in the presentation.
Confidence and mastery are not
evident in the presentation.
23. Rubric in Assessing Performance During the Group Activity
Criteria Excellent (5) Very Satisfactory (4) Satisfactory (3)
Content 76% - 100% of the
questions are correctly
answered and or 76% -
100% of the procedures
are correctly
performed.
51% - 75% of the
questions are correctly
answered and or 51% -
75% of the procedures
are correctly
performed.
0% - 74% of the questions are
correctly answered and or 0% -
74% of the procedures are
correctly performed.
Teamwork and
cooperation
All members actively
participated.
Only 70% of the
members actively
participated.
Below 70% of the members
actively participated.
Delivery Shows confidence and
mastery in the
presentation.
Shows only confidence
in the presentation.
Confidence and mastery are not
evident in the presentation.
24. FORMATIVE ASSESSMENT 1
Directions: Provide what is asked.
1. Using the shapes you have at hand, kindly
make the model of the trinomial 4m2 + 12m +9
and 9m2 – 12m + 4.
26. GENERALIZATIONS
Directions:
1. In your meta-cards, write the unique characteristics of
perfect square trinomials and general trinomials.
2. In your meta-cards, write also the commonalities of the
perfect square trinomials and general trinomials.
3. Upon the cue of the teacher, stand up and attach the
meta-cards to the appropriate part in the Venn Diagram,
as labelled.
28. EVALUATION
Directions: Choose the letter of the correct
answer for Numbers 1 - 4. In Number 5, give
what is/are required.
1.Which of the following is a perfect square
trinomial?
a.e2 – 2e – 1 c. 9c2 – 11c + 4
b.4p2 + 3p + 1 d. 25p2 + 10p +1
29. EVALUATION
2. How many rectangles are needed to model
4p2 – 4p + 1?
a.1 b. 2 c. 3 d. 4
3. From no. 2, what color of rectangles are needed
to model the trinomial?
a.White b. Black/Colored
c. No color d. Either colored or white
30. EVALUATION
4. Which trinomial best represents the model
shown? a.e2 – 4e – 4
b.e2 + 4e – 4
c.e2 – 4e + 4
d.e2 – 4e + 4
31. EVALUATION
5. Give the factors of the model and trinomial in
No. 4.
_________________ = _________________
a.e2 – 4e – 4
b.e2 + 4e – 4
c.e2 – 4e + 4
d.e2 – 4e + 4
33. Rubric in Assessing Performance During the Group Activity
Criteria Excellent (5) Very Satisfactory (4) Satisfactory (3)
Content 76% - 100% of the
questions are correctly
answered and or 76% -
100% of the procedures
are correctly
performed.
51% - 75% of the
questions are correctly
answered and or 51% -
75% of the procedures
are correctly
performed.
0% - 74% of the questions are
correctly answered and or 0% -
74% of the procedures are
correctly performed.
Teamwork and
cooperation
All members actively
participated.
Only 70% of the
members actively
participated.
Below 70% of the members
actively participated.
Delivery Shows confidence and
mastery in the
presentation.
Shows only confidence
in the presentation.
Confidence and mastery are not
evident in the presentation.
