Difference of Squares
http://illuminations.nctm.org/LessonDetail.aspx?ID=L276
A lesson plan for grade 6 Mathematics
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In this lesson from Illuminations, students explore arithmetic statements leading to a result that is the factoring pattern for the difference of two squares. Students analyze and represent patterns with symbolic rules, compare quantities with integers, and learn to communicate mathematical thinking to peers and teachers.
North Carolina Curriculum Alignment
Mathematics (2004)
Grade 6
- Goal 1: Number and Operations - The learner will understand and compute with rational numbers.
- Objective 1.05: Develop fluency in the use of factors, multiples, exponential notation, and prime factorization.
- Goal 5: Algebra - The learner will demonstrate an understanding of simple algebraic expressions.
- Objective 5.02: Use and evaluate algebraic expressions.
- Objective 5.04: Use graphs, tables, and symbols to model and solve problems involving rates of change and ratios.
