Exploring Two-Column Algebraic Proofs
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Lucas Foster
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main components of a two-column proof?
Problems and Answers
Equations and Solutions
Statements and Justifications
Questions and Explanations
Tags
CCSS.HSA.REI.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property of equality is used when subtracting the same number from both sides of an equation?
Division Property of Equality
Subtraction Property of Equality
Multiplication Property of Equality
Addition Property of Equality
Tags
CCSS.7.EE.B.4A
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Example 1, what is the first step to solve 9 - 4x = -19?
Add 9 to both sides
Subtract 9 from both sides
Multiply both sides by 4
Divide both sides by -4
Tags
CCSS.HSA.REI.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What property of equality is used when multiplying both sides of an equation by the same number?
Subtraction Property of Equality
Division Property of Equality
Multiplication Property of Equality
Addition Property of Equality
Tags
CCSS.HSA.REI.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Example 2, what is the final step to prove x = -9?
Divide both sides by -6
Multiply both sides by 6
Subtract 3 from both sides
Add 3 to both sides
Tags
CCSS.6.EE.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property of equality is used when distributing a number across terms inside parentheses?
Division Property of Equality
Addition Property of Equality
Multiplication Property of Equality
Distributive Property
Tags
CCSS.7.EE.B.4A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Example 3, what is the first step to solve -3(4x + 1) = 21?
Add 3 to both sides
Subtract 1 from both sides
Divide both sides by -3
Distribute -3 to each term inside the parentheses
Tags
CCSS.7.EE.B.4A
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