Introduction to Proofs
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Objective
I can identify and apply properties such as the associative and transitive properties to justify algebraic steps.
Part 1 of 3
Warm-up video
Professor Dave Explains · 5:16Vetted channel
We don't generate video — this one is by Professor Dave Explains on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
7 questions
Explain how the distributive property can be used to simplify the expression 5(x + 3). Show each step.
Factor the expression 12x² + 18x by identifying the greatest common factor and rewriting the expression.
Part 3 of 3
Exit ticket
Quick comprehension check
“Identify the property that justifies the equivalence: 5 + (x + 3) = (5 + x) + 3 Identify the property that justifies the equivalence: 7x + 0 = 7x ”
Sample answer included in the free materials
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