Chapter 7- Algebra: Expressions

Chapter 7 - Algebra: Expressions

6.EE.A.1 - Write and evaluate numerical expressions involving whole-number expressions.

6.EE.A.2 - Write, read, and evaluate expressions in which letters stand for numbers.

6.EE.A.2a - Write expressions that record operations with numbers and letters standing for numbers. For example, express the calculation "Subtract y from 5" as 5-y.

6.EE.A.2b - Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as 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.

6.EE.A.2c - 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).

6.EE.A.3 - Apply the properties of operations to generate equivalent expressions. For example, apply the distributive property to the 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.

6.EE.A.4 - Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them). For example, the expressions y + y + y and 3y are equivalent because they name the same number regardless of which number y stands for.

6.EE.B.6 - Use variables to represent numbers and write expressions when solving a real-world or mathematical problem: understand that a variable can represent an unknown number, or depending on the purpose at hand, any number in a specified set.