when there are no parentheses to specify a particular order (Order of describe the expression Operations). 2 (8 + 7) as a product For example, use the formulas V = s3 and A of two factors; view (8 = 6 s2 to find the volume and surface area of a cube with sides of length s = + 7) as Botha single 1/2. entity and a sum of two terms. Evaluate expressions c. Evaluate formulas  at specific values of by substituting a their variables. Include specific for expressions that arise each variable. from formulas used in conventional  real-world problems. order (order of Perform arithmetic operations) to operations, including solving multiple step those involving whole expressions number exponents, in (including whole the conventional order number exponents).
describe the expression 2 (8 + 7) as a product of two factors; view (8 + 7) as Botha single entity and a sum of two terms. c. 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 = 6 s2 to find the volume and surface area of a cube with sides of length s = 1/2.  Evaluate formulas by substituting a specific for each variable.  conventional order (order of operations) to solving multiple step expressions (including whole number exponents).