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Virtual School Gr7-CIC
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Warm Up - Simplify expression Evaluate expressions Algebra vocabulary
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Although they are closely related, a Great Dane weighs about 40 times as much as a Chihuahua
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An expression for the weight of the Great Dane could be 40c, where c is the weight of the Chihuahua.
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Although they are closely related, a Great Dane weighs about 40 times as much as a Chihuahua An expression for the weight of the Great Dane could be 40c, where c is the weight of the Chihuahua. When solving real-world problems, you will need to translate words, or verbal expressions, into algebraic expressions.
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Word phrases can be written as algebraic expressions.
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Use a variable for the phrase a number or unknown value.
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Word phrases can be written as algebraic expressions. Use the words to determine what operation you are using. Use a variable for the phrase a number or unknown value.
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In order to translate a word phrase into an algebraic expression, we must first know some key word phrases for the basic operations.
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In your notebook/notes: AdditionSubtraction MultiplicationDivision
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Addition Phrases: More than Increase by Greater than Add Total Plus Sum
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Subtraction Phrases: Decreased by Difference between Take Away Less Subtract Less than* Subtract from*
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Multiplication Phrases: Product Times Multiply Of Twice or double Triple
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Division Phrases: Quotient Divide Divided by Split equally
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Notes Multiplication expressions should be written in side- by-side form, with the number always in front of the variable. 3a 2t 1.5c 0.4f
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Notes Division expressions should be written using the fraction bar instead of the traditional division sign.
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Lets try it. 3 more than x
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Lets try it. the product of 3 and a number t
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Lets try it. the difference between 10 and a number y
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Lets try it. the quotient of 25 and a number b
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Lets try it. 32 less than 5 times c
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Independent Practice 1.2.5 divide g 2.4.2 times a number e 3.the sum of 10 and a number c 4.a number t decreased by 4 5.6 less than a number z 6.twice the number x 7.the number y divided by 2 8.a number n increased by 4.5
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