The last step of solving a quadratic factoring problem is often the stumbling block for algebra learners. Setting each factor equal to zero and solving the mini-equations isn't an intuitive process to learners new to the zero product property. This short video breaks down the use of this property in a calm and approachable manner. Great to have on hand for either a quick introduction or a focused mini-lesson refresher. 

Concepts

factoring polynomials, zero product property, solving quadratics, factoring

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Additional Tags

math

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Instructional Ideas

• Consider linking to this video on your website as homework help when covering the topic in class
• Great assignment for a flipped classroom model, before using the zero product property in problems
• Useful for small-group remediation or re-teaching

Classroom Considerations

• Write out problems onto a worksheet ahead of time, and then pause the video while pupils or small groups work out the problem
• Color coding of different roots might cause problems for visually impaired learners
• Those not as strong in factoring skills might need the steps between the polynomial and factored form worked out for clarity
• Video is not on YouTube, but does require streaming access

Pros

• Emphasis on a single part of solving equations, without getting bogged down in precursor steps
• Several similar examples, solved logically and similarly to help learners develop patterns and strategies
• Color-coded solutions separate root values effectively

Cons

• No student notes or companion worksheet provided

Common Core

HSA-SSE.B.3.a HSA-APR.B.3 MP7 MP8