v ariable – letter that can represent one or more numbers
DESCRIPTION
In this video, you will learn how to write algebraic expressions for word phrases, by analyzing the language used . algebraic expression – a mathematical phrase that contains a combination of numbers, variables, and operational symbols (+, , x, ) - PowerPoint PPT PresentationTRANSCRIPT
In this video, you will learn how to write algebraic expressions for word phrases, by analyzing the
language used.
algebraic expression – a mathematical phrase that contains a combination of numbers, variables, and operational symbols (+, , x, )
Variable – symbols (letters) than can represent one or more numbers.
variable – letter that can represent one or more numbers
The Commutative Property of Addition – Changing the order of the addends does not change the sum.
increased byplus
more thansum
added to
Words that suggest addition:
the sum of c cherries and 8 cherries
Some examples involving addition:
fewer thanless than
difference betweendecreased by
ORDER MATTERS!
Words that suggest subtraction:
fewer thanless than
difference betweendecreased by
ORDER MATTERS!
Words that suggest subtraction:
a temperature of d degrees decreased by 6 degrees
Some examples involving subtraction:
a temperature of d degrees decreased by 6 degrees
d - 6
Some examples involving subtraction:
nine cards fewer than c cards
the product oftimes
multiplied by
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Words that suggest multiplication:
the product of 12 and b books
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Some examples involving multiplication:
quotient ofdivided by
divided amongshared between
OORDS!
Words that suggest division:
quotient ofdivided by
divided amongshared between
ORDER MATTERS!
Words that suggest division:
a dinner bill of d dollars divided among five friends
Some examples involving division:
the quotient of p and 5
Some examples involving division:
A review of clue words:
ADDITION:increased by
plusmore than
sumadded to
SUBTRACTION:fewer than less than
difference betweendecreased by
MULTIPLICATION:product of
timesmultiplied by
DIVISION:quotient ofdivided by
divided amongshared between
20 hours of work divided equally among w workers
Some examples involving all operations:
6 less than d dollars
Some examples involving all operations:
12 more than g glasses
Some examples involving all operations:
In this video, you learned how to write algebraic expressions for word phrases, by analyzing the
language used.