Introduction to Proofs
Grade 9•45 minutes
Learning Objective
I can identify and apply properties such as the associative and transitive properties to justify algebraic steps.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain how the distributive property can be used to simplify the expression 5(x + 3). Show each step.
2. Factor the expression 12x² + 18x by identifying the greatest common factor and rewriting the expression.
3. Which property is demonstrated by the equation 7 + (3 + x) = (7 + 3) + x? A) Commutative Property of Addition B) Associative Property of Addition C) Additive Identity Property D) Distributive Property
...and 4 more questions
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