If - then Statement

1. If-then Statement
Mathematics 8
Enhancement and Consolidation Camps

2. Review
What are hypothesis and conclusion?
HYPOTHESIS
CONCLUSION
A statement that
attempts to explain
a phenomena of
facts
A judgement or
decision reached by
reasoning

3. Determine which part is the
hypothesis and which is the
conclusion
If today is Tuesday, then tomorrow
is Wednesday
H:
C:
Today is Tuesday
Tomorrow is Wednesday

4. Determine which part is the
hypothesis and which is the
conclusion
If two lines are perpendicular, then
they form a right angle.
H:
C:
Two lines are perpendicular
They form a right angle

5. Determine which part is the
hypothesis and which is the
conclusion
If it rains, then I will not go to the
plaza.
H:
C:
It rains
I will not go to the plaza

6. GROUP ACTIVITY
WRITING IF-THEN STATEMENTS
Each group will be receiving sentences
and you have to rewrite it into if-then
statements and identify the hypothesis
and conclusion.
After answering, each group will
present their output in front.

7. An even integer is divisible by two.
A square has four equal sides.
A polygon is a closed plane figure.
Vertical angles are congruent.
Collinear points are points that lie on the same line.

8. Mathematics 8
Enhancement and Consolidation Camps
CONGRUENT TRIANGLES

9. Review
Parts of a Triangle
N
L
C
Angles
∠𝑵
∠𝑳
∠𝑪
Sides
𝑵𝑳 𝒐𝒓 𝑳𝑵
𝑳𝑪 𝒐𝒓 𝑪𝑳
𝑵𝑪 𝒐𝒓 𝑪𝑵

10. GROUP ACTIVITY
IT’S PARTE PARTE!
Identify the corresponding parts of the
given triangles.

11. CONGRUENT
TRIANGLES
Two or more triangles are congruent if
and only if their corresponding parts
are congruent (measures are equal)

12. TRIANGLE CONGRUENCE
POSTULATES
SSS (Side – Side – Side )
Congruence Postulate
SAS(Side – Angle – Side )
Congruence Postulate
ASA(Angle – Side - Angle)
Congruence Postulate
AAS(Angle – Angle - Side)
Congruence Postulate

13. ARE THEY CONGRUENT?
WHICH POSTULATE MAKES THE TRIANGLES CONGRUENT?
SAS
SSS
ASA

14. ARE THEY CONGRUENT?
WHICH POSTULATE MAKES THE TRIANGLES CONGRUENT?
SSS
AAS
NOT CONGRUENT