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2. Introduction to Proofs

Authored by Mary Kinsler

Mathematics

9th - 12th Grade

CCSS covered

Used 4+ times

2. Introduction to Proofs
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Given: <1 and <3 are vertical angles. What should you conclude by the vertical angles theorem?

<1 and <2 are a linear pair

<1 and <3 are right angles

<2 and <4 are vertical angles

 <1<3<1\cong<3  

Tags

CCSS.7.G.B.5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Given: B is the midpoint of AC. What should you conclude?

AB + BC = AC

AB = BC

A is the segment bisector of BC

ABC is a straight angle

Tags

CCSS.HSG.CO.C.10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an angle is a straight angle, then its measure is 180°180\degree 

 Given:  <ABC is a straight angle.
What conclusion can you draw?

<ABC is not an acute angle

<ABC is supplementary to another angle

m<ABC = 180°180\degree  

<ABC is a straight angle

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Given: PL is the angle bisector of <RPQ


What can you conclude by definition of angle bisector?

m<RPL = m<LPQ

<RPL + m<LPQ = m<RPQ

<RPQ is acute

m<RPQ = 90

Tags

CCSS.HSG.CO.C.9

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

What is the justification?

Symmetric Prop.
Angle addition postulate
Reflexive Prop
Transitive Prop.

Tags

CCSS.8.G.A.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the missing statement in the proof?

Addition property

Segment Addition Postulate

Substitution property

Transitive property

Tags

CCSS.HSG.CO.C.9

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What is the reason?

Definition of Complementary
Definition of 180 
Definition of supplementary
Angle Addition

Tags

CCSS.7.G.B.5

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