**Connecticut Education Standards**. A numerical expression is a phrase which represents a number. Read More...

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CT.CC.EE.6. Expressions and Equations

Apply and extend previous understandings of arithmetic to algebraic expressions.

EE.6.1. Write and evaluate numerical expressions involving whole-number exponents.

EE.6.2. Write, read, and evaluate expressions in which letters stand for numbers.

EE.6.2(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.

EE.6.3. 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.