Solving a Problem by Creating an Equation Toucans and blueandyellow macaws are both tropical birds The length of an average toucan is about two thirds of the length of an average blueandyellow macaw Toucans are about 24 in long What is the length of an average blueandyellow macaw ID: 548502
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2.1Solving Problems by Creating an EquationSlide2
Solving a Problem by Creating an Equation
Toucans and blue-and-yellow macaws are both tropical birds. The length of an average toucan is about two thirds of the length of an average blue-and-yellow macaw. Toucans are about 24 in. long. What is the length of an average blue-and-yellow macaw?Slide3
Solving a Problem by Creating an Equation
Toucans and blue-and-yellow macaws are both tropical birds. The
length
of an average
toucan
is about
two thirds of the length of
an average blue-and-yellow
macaw
.
Toucans are about 24 in. long.
What is the length of an average blue-and-yellow macaw?
x
= I don’t know the length of a macaw
I do know toucans are 24 in long
I do know toucans are 2/3 as long as macawsSlide4
Solving a Problem by Creating an Equation
Toucans and blue-and-yellow macaws are both tropical birds. The
length
of an average
toucan
is about
two thirds of the length of
an average blue-and-yellow macaw. Toucans are about 24 in. long. What is the length of an average blue-and-yellow macaw?x = I don’t know the length of a macaw I do know toucans are 24 in long I do know toucans are 2/3 as long as macawsX = 2 3
xSlide5
Solving a Problem by Creating an Equation
An online DVD rental company offers gift certificates that you can use to purchase rental plans. You have a gift certificate for $30. The plan you select costs $5 per month. How many months can you purchase with the gift certificate?Slide6
Solving a Problem by Creating an Equation
An online DVD rental company offers gift certificates that you can use to purchase rental plans. You
have
a gift certificate for
$30
. The plan you select
costs $5 per month
. How many months can you purchase with the gift certificate?x = I don’t know how many months I can buy with the certificate I do know I have $30 I do know each month costs $5Slide7
Solving a Problem by Creating an Equation
An online DVD rental company offers gift certificates that you can use to purchase rental plans. You
have
a gift certificate for
$30
. The plan you select
costs $5 per month
. How many months can you purchase with the gift certificate?x = I don’t know how many months I can buy with the certificate I do know I have $30 I do know each month costs $530 = 5xSlide8
Solving a Problem by Creating an Equation
You have already read 117 pages of a book. You are one third of the way through the book. Write and solve an equation to find the number of pages in the book.Slide9
Solving a Problem by Creating an Equation
You have
already read 117 pages
of a book. You are
one third of the way through the book
. Write and solve an equation to
find the number of pages in the book.
x = I don’t know how many pages are in the whole book I do know I have already read 117 pages I do know I am finished with 1/3 of the bookSlide10
Solving a Problem by Creating an Equation
You have
already read 117 pages
of a book. You are
one third of the way through the book
. Write and solve an equation to
find the number of pages in the book.
x = I don’t know how many pages are in the whole book I do know I have already read 117 pages I do know I am finished with 1/3 of the book117 = 1 3x