2-3 Simplifying Variable Expressions

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Presentation transcript:

2-3 Simplifying Variable Expressions Using the properties to make expressions easier to work with.

What is an expression? Numerical Expression Variable/Algebraic Expression

Vocabulary Look at the diagram of an expression. In your own words, write a description/definition for each vocabulary word given. 6k + 3m – 3k + 8 + 58

Vocabulary Definitions:

Vocab practice Name the coefficients, like terms, and constants: 9 + 4s + 75n 68j + 98 + 2j + 14k 7p + 4q – 13p +35q

Simplify the expression & justify your answer. Simplify 9 + 4f + 3 + 2f You MUST justify each action you take by NAMING one or more properties of addition or multiplication.

Simplify the expression & justify your answer. Simplify (7 – 3x)5 + 20x You MUST justify each action you take by NAMING one or more properties of addition or multiplication.

Simplify the expression & justify your answer. Simplify 2b + b – 4 You MUST justify each action you take by NAMING one or more properties of addition or multiplication.

Ticket out of class Please put your name on your paper.

Ticket out of class Simplify these expressions: 20a – 16a 4b – 2a + 5b + 2b + 8 14 – 2(-4k + 15)