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Substitution Builder (B) WORKSHEET
Suitable for Grades: 6th Grade, 7th Grade
CCSS: 6.EE.A.2, 7.EE.A.1
CCSS Description: Write, read, and evaluate expressions in which letters stand for numbers. a. Write expressions that record operations with numbers and with letters standing for numbers. For example, express the calculation “Subtract y from 5” as 5 – y.b. 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. 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.
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.
Substitution Builder (B) WORKSHEET DESCRIPTION
These ‘Substitution Builders’ are designed to help students understand the importance of correctly applying the order of operations when substituting values into complex expressions. In Substitution Builder (B), learners will substitute the value -9 into multiple expressions beginning with one operation and building to expressions with three operations, providing them with a clear demonstration of how the order of operations influences the final result. Students will work with fractions as division, brackets and indices throughout. There are another two worksheets in this series where the value of x is either a positive integer or a decimal number.
