“Don’t judge a book by it’s cover”

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Presentation transcript:

“Don’t judge a book by it’s cover” “You’re barking up the wrong tree” “Don’t judge a book by it’s cover” “You hit the nail on the head”

CC5 - Expressions

Expressions are mathematical sentences made up of numbers, variables, and operations. 2x + 4y - 9

2x + 4y - 9 Variables

2x + 4y - 9 Coefficients Variables

2x + 4y - 9 Coefficients Constant Variables

2x + 4y - 9 Variables are unknown numbers. Different variables represent different numbers. Coefficients Constant 2x + 4y - 9 Variables

2x + 4y - 9 Coefficients are numbers that are multiplied by variables. Tells you how many there are of the variable. Coefficients Constant 2x + 4y - 9 Variables

2x + 4y - 9 Constants are numbers that never change. Never multiplied by a variable. Coefficients Constant 2x + 4y - 9 Variables

Terms are parts of an expression separated by addition or subtraction. 3 Terms: 2x, 4y, -9 Coefficients Constant 2x + 4y - 9 Variables