Unit 2Reasoning & Proof 

Reasoning & ProofESSENTIAL QUESTION  How can you make a conjecture and prove that it is true?


Lesson/Objective  Supplemental Lessons  Online Practice  Homework 
21
Patterns and Inductive Reasoning
Objectives: To use inductive reasoning to make conjectures ESSENTIAL
UNDERSTANDING: Patterns in some number sequences and some
sequences of geometric figures can be used to discover relationships. 

LESSON QUIZ 
hw #21 Due Mon Oct 1 
22
Conditional Statements
Objectives: To recognize conditional statements and their parts. To write converses, inverses, and contrapositives of conditionals ESSENTIAL
UNDERSTANDING: Some mathematical relationships can be described
by using a variety of ifthen statements 
Writing a conditional statement 
LESSON QUIZ 
hw #22 Due Weds Oct 3 Read sections 21 & 22 pg 9293 #115

23
Biconditionals and Definitions
Objective: To write biconditionals and recognize good definitions ESSENTIAL
UNDERSTANDING: A definition is good if it can be written as a
biconditional. 
Separating a biconditional into parts Writing a definition as a biconditional 
LESSON QUIZ 
hw #23 Due Fri Oct 5 
UNIT 2 QUIZ: Friday, Oct 5th 

24
Deductive Reasoning Objective: To use and understand the Law of Detachment and the Law of Syllogism ESSENTIAL UNDERSTANDING: Given true statements, you can use deductive reasoning to make a valid or true conclusion. 
VIDEO TUTORS 
LESSON QUIZ 
hw #24 Due
Tues Oct 9 pg 109112 #45, 717 Odd, #1924 All, 31

25
Reasoning in Algebra and Geometry
Objective: To connect reasoning in Algebra and Geometry ESSENTIAL UNDERSTANDING:
Algebraic properties of equality are used in geometry. They will help you
solve problems and justify each step you take. 
VIDEO TUTORS 
LESSON QUIZ 
hw
#25 Due Thurs Oct 11
pg 116119 #14, 513 Odd, 1419 All, 25, 3538 
26
Proving Angles Congruent
Objective: To prove and apply theorems about angles ESSENTIAL UNDERSTANDING: You can use given information, definitions, properties, postulates, and previously proven theorems as REASONS in a proof. 
VIDEO TUTORS 
LESSON QUIZ 

UNIT 2 REVIEW  P  
UNIT 2 TEST: Monday, October 15th 