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Algebra 1

Algebra 1 . Sentence Frames. Thursday, January 24, 2013. Lesson 1.1

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Algebra 1

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  1. Algebra 1 Sentence Frames

  2. Thursday, January 24, 2013 Lesson 1.1 A _______ is a symbol, usually a letter, that represents a value. An ________ expression is a mathematical phrase that includes one or more variables. A ________ expression is a mathematical phrase involving numbers, but no variables. +, -, x, and / are examples of _________ symbols. Word Bank Algebraic Numerical Operation Variable

  3. Thursday, January 24, 2013 Lesson 1-2 A power has two parts, a ____ and an exponent The ________ tells you how many times to ________ the base. You read 23 as two to the _______ power or two ______. You read 52 as five to the second power, or five _____. Word Bank Base Cubed Exponent Multiply Squared Third

  4. Thursday, January 24, 2013 Lesson 1-3 Roots or ______are the ______ operation of applying exponents. You can "undo" a _____with a radical, and a radical can "undo" a power. For instance, if you square 2, you get 4, and if you "take the ______ ______of 4", you get 2. Word Bank Opposite Power Radicals Root Square

  5. Thursday, January 24, 2013 Lesson 1-4 Relationships that are always true for real numbers are called _________. Two algebraic expressions are _________ expressions if they have the same value for all values of the _______. An example of a property is the _________ property, which states a x b = b x a. Word Bank Commutative Equivalent Properties Variables

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