OK.6.1. Algebraic Reasoning: Patterns and Relationships - The student will use algebraic methods to describe patterns, simplify and write algebraic expressions and equations, and solve simple equations in a variety of contexts.
6.1.3. Use substitution to simplify and evaluate algebraic expressions (e.g., if x = 5 evaluate 3 - 5x).
OK.6.4. Measurement - The student will use measurements within the metric and customary systems to solve problems in a variety of contexts.
6.4.1. Use formulas to find the circumference and area of circles in terms of pi.