Two less than the sum of six and a number. Less than means - and to reverse the order. Phrases Expressions
Translate the following into Algebra A recycling center pays 3 for aluminum cans and 5 for glass bottles. Write an algebraic expression representing the total amount paid for a sack of cans and bottles. Price per can # of cans Price per bottle # of bottles
Translate the following into Algebra c = Number of cans b = Number of bottles Price per can # of cans Price per bottle # of bottles.03c +.05b
The sum of 6 and a number (Phrase) 6 + x (Expression) The sum of 6 and a number is 10. (Sentence) 6 + x = 10 (Equation)
Sentences Equations 1.) Twenty-two decreased by a number is 12.
Sentences Equations 2.) The product of 3 and a number is 21.
Check for Understanding 1.) What word does a sentence have that a phrase doesn’t? 2.) What symbol does an equation have that an expression doesn’t?
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