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# Order of Operations

Applying the order of operations to simplify expressions.

#### Mapped to CCSS Section# 6.EE.A.2b, 6.EE.A.2c, 6.EE.A.3, 7.EE.A.1, 7.NS.A.1d, 7.NS.A.3

Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as a single entity. For example, describe the expression 2(8 + 7) as a product of two factors; view (8 + 7) as both a single entity and a sum of two terms. Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations). For example, use the formulas V = s³ and A = 6s² to find the volume and surface area of a cube with sides of length s = 1/2. Apply the properties of operations to generate equivalent expressions. For example, apply the distributive property to the expression 3(2 + x) to produce the equivalent expression 6 + 3x; apply the distributive property to the expression 24x + 18y to produce the equivalent expression 6(4x + 3y); apply properties of operations to y + y + y to produce the equivalent expression 3y. Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients. Solve real-world and mathematical problems involving the four operations with rational numbers. Apply properties of operations as strategies to add and subtract rational numbers.