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Combining Like Terms

Combining Like Terms. Variable. A symbol which represents an unknown. Examples:. m. x. z. y. Expression v. Equation. Expression: Numbers, symbols, and operators grouped together that show the value of something. For example: 3 x – 5

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Combining Like Terms

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  1. Combining Like Terms

  2. Variable A symbol which represents an unknown. Examples: m x z y

  3. Expression v. Equation Expression: Numbers, symbols, and operators grouped together that show the value of something. For example: 3x – 5 Equation: A Statement formed when a equality symbol is placed between two equal expressions. For example: y = 3x – 5 *Make sure to leave the right form on any assessment*

  4. Algebra Tiles 1 1 x2 x x x y y2 5 y y Unit Tile x 1 x Tile x2 Tile 1 y 1 5 Piece y Tile y2 Tile xy x xyTile *These tiles are positive side up ( The red side is always negative)* y

  5. Jumbled Piles x2 x2 x2 x x x x x y y y y

  6. Jumbled Piles x2 x2 x2 x x x x x y y y y Zero Pair Zero Pair Zero Pair

  7. Combining like Terms Ex: Simplify the expression below: 6x2 + 4x + 5 + 2x2 + 3x + 6 The x2 Tile The x Tile 5 6 x x x2 x2 8x2 + 7x + 11 Unit Tiles Terms: Variable expressions separated by a plus or minus sign. Like terms: Terms with the same variable(s) raised to the same power. Combine Like Terms: Add the the numbers the liked terms are being multiplied by. 6+2 4+3 5+6

  8. Different Meanings What does the symbol below mean? Find as many ways to describe the symbol. Three different meanings: Negative Subtraction Opposite

  9. The Opposite Rewrite the following expression: x x x x The opposite of…

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