Math Vocabulary Algebraic Concepts M5.D

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Evaluating Algebraic Expressions.

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Presentation transcript:

Math Vocabulary Algebraic Concepts M5.D Aligning with Pennsylvania Department of Education Assessment Anchors and enVision Math Textbook Variables and Expressions Topic 6 ©2011-2013 Caryn Dingman www.mrsdingman.com

variable * a letter or symbol * letter or symbol stands for an unknown number Example: a + 2x + 10 “a” is a variable “x” is a variable Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D

algebraic expression * a math phrase * has operational sign(s) * has variable(s) (letter or symbol) * has number(s) expressions have: NO equal sign NO answer part Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D

algebraic expressions addition clue or signal words Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D

algebraic expressions subtraction clue or signal words Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D

algebraic expressions multiplication clue or signal words Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D

algebraic expressions division clue or signal words Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D

evaluate the expression * means to solve a problem * solve by replacing the variable with a number * use the operation given 3 + X = 7 X = 4 Variables and Expressions enVision Topic 6 PA Assessment Anchor M5.D