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Bell Work8/19/14 Evaluate each expression for the replacement set
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Yesterday’s Homework 1.Any questions? 2.Please pass your homework to the front. Make sure the correct heading is on your paper. Is your NAME on your paper? Make sure the homework is 100% complete. Incomplete work will NOT be accepted.
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What Do Notes Look Like? Heading Date Section # and Title Notes You do not have to copy the text in blue! Homework
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Variables and Expressions (translate) 1/13/2016 Heading TSWBAT: write a word phrase as a variable expression. Students simplify expressions before solving linear equations and inequalities in one variable, such as 3(2x - 5) + 4(x - 2) = 12.
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Notes Word Meanings Addition (+)Subtraction (-)Multiplication (x) Division (÷) sum plus increased by more than difference minus decreased by less than product times multiplied by quotient divided by x plus 7 Ex. 9 times p Ex. Write the phrase as a variable expression.
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Notes Write the phrase as a variable expression. Now you try. The difference between r and 3. Ex. The product of 7 and m. Ex.
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Notes Give two ways to write each algebraic expression in words. Now you try. What words can we use? Ex. difference minus decreased less than The difference of x and 2 x minus 2 x decreased by 2 2 less than x What words can we use? Ex. sum plus increased more than The sum of 7 and y 7 plus y 7 increased by y y more than 7
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Notes Give two ways to write each algebraic expression in words. Now you try. What words can we use? Ex. product times multiplied The product of 8 and r 8 times r 8 multiplied by r What words can we use? Ex. quotient divided by The quotient of x and 2 x divided by 2
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Summary In real life people communicate with words not math operations. Translation words include: sum means _________, __________ means subtraction, product means _____________, and ________ means division. addition difference multiplication quotient
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Today’s Homework 1.Pencil ONLY. 2.Must attempt EVERY problem. 3.Always check your answers. Rules for Homework
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Homework Write the phrase as a variable expression or sentence. 1. 8 times x2. t decreased by 3 3. a divide by 24. 5 more than x 5. r less than 6 6. The product of 5 and n Give two ways to write each algebraic expression in words.
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Complete the Ticket Out the Door without talking!!!!! Talking = time after the bell! Ticket Out the Door Put your NAME on the paper. When finished, turn your paper face DOWN. Give two ways to write each algebraic expression in words.
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