Strategic Intervention Material in Mathematics Grade 8

1. STRATEGIC
INTERVENTION
MATERIALS FOR
MATHEMATICS
VIII
Preparedby:
GEMMAM. MANIAGO
Teacher I
Approvedby:
JULITA M. VALDEZ
Principal II
FACTOR
ME
OUT
Title Card

2. Guide Card
– This SIM help you understand about factoring. Different sets
and types of problems are presented there that will serve as a
guide. To improve what you have learned in the Activity card,
the same types of items are made for you to answer in the
AssessmentCard. In this part, you can test yourself whether
you have learned the concepts or not…
– If your ready now, you can start reading this materials so that
the additional knowledge can be stored to your mind. Good
luck and happy working!
Overview
Factoring is the reverse process of special
products.
Types of Factorable
Polynomials
A. Common Monomial
Factor
ax + bx= x (a + b)
B.Factoring Quadratic
Trinomials

3. Activity Card 1
This activity will give you an idea on how factors are associated with
products.You will match the factors in column A with the products in column B
to decode the secret message.
Activity
Card 2
Message
from the
King

4. MESSAGE OF THE KING
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
12 2 3 14 8 7 11 9 4 11 15 14 13 10
___ ___ ___ ___ ___ ___ ___ ___ ___
7 10 17 10 7 15 10 8 12
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
6 1 5 14 11 16 5 11 3 2 14 11 8 9
Activity Card 3 PERFECT HUNT
Directions:Look for the different perfect square trinomials
found in the box. Answers might be written diagonally,
horizontally, or vertically.
10x 81 18x 4
15x -24x 9 10x 28x
-16x 16 15x 25
49 8x 16 9
25 14x 8x 40x 30x 10x
7x 12x 40

5. Assessment Card 1
Factor Me Please!
1. x2 + 11x + 24
2. x2- 3x-15
3. x2+x-42
4.4x2 +12x+9
5.x2+5x+6
Answer Card 1

6. MESSAGE OF THE KING
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
12 2 3 14 8 7 11 9 4 11 15 14 13 10
___ ___ ___ ___ ___ ___ ___ ___ ___
7 10 17 10 7 15 10 8 12
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
6 1 5 14 11 16 5 11 3 2 14 11 8 9
F A C T O R I N G I S T H E
R E V E R S E O F
M U L T I P L I C A T I O N
Answer Card
2
Activity 2
Answer Card 3 PERFECT HUNT
Directions:Look for the different perfect square trinomials
found in the box. Answers might be written diagonally,
horizontally, or vertically.
10x 81 18x 4
15x -24x 9 10x 28x
-16x 16 15x 25
49 8x 16 9
25 14x 8x 40x 30x 10x
7x 12x 40

7. Answer Card 5
Fill My Factor...
1. x2+9x+18= (x+___) (x+ 6)
2. x2-x-30= (x- __) (x- __)
3. 4x2 + 72x + 81 = (_ + _)(_ + __)
4. 2x2+x-3 = (2x + __) (__-1)
5. x2+ 10x+24 = (__+ __)(___+ ___)

8. References:
Mathematics Learners Materials for Mathematics VIII
Math Power 4th Issue “ Special Products and Factoring
Bernabe, Julieta, Jose- Dilao, Soledad, and Orines,
Fernando, 2003, Advanced Algebra Trigonometry and
Statistics JTW Corporation, Quezon City
Reference
Card:
Assessment Card 2
Fill My Factor...
1. x2+9x+18= (x+___) (x+ 6)
2. x2-x-30= (x- __) (x- __)
3. 4x2 + 72x + 81 = (_ + _)(_ + __)
4. 2x2+x-3 = (2x + __) (__-1)
5. x2+ 10x+24 = (__+ __)(___+ ___)

9. My SCORE means:: Score
I did great and I fully understood the lesson 25-35
I did good and I partially understood the lesson.I
will still need to review.
13-24
I need to go back with the lesson, because there are
still areas I need to work on. I will not give up!
1-12
How do I perceived this activity? Yes No
1.I had fun answer the activities
2.I was able to follow the directions clearly.
3.I finished all the activities on time.
4.I can now convert measures of weight from one
Preparedby:
GEMMA M. MANIAGO
Teacher I
Approved:
JULITA M. VALDEZ
Principal II