august 21, 2009 rational number - word problems. example 1 the highest recorded temperature in the...
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EXAMPLE 1 The highest recorded temperature in the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at Prospect Creek, Alaska at - 80°F. What is the difference between these two temperatures?TRANSCRIPT
AUGUST 21, 2009
Rational Number - Word Problems
EXAMPLE 1The highest recorded temperature in
the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at
Prospect Creek, Alaska at -80°F. What is the difference between these
two temperatures?What operation will you use? State the key word or phrase.
EXAMPLE 1The highest recorded temperature in
the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at
Prospect Creek, Alaska at -80°F. What is the difference between these
two temperatures?Write an expression to represent the situation.
EXAMPLE 1The highest recorded temperature in
the U.S. was in Death Valley, California at 134°F. The lowest temperature was recorded at
Prospect Creek, Alaska at -80°F. What is the difference between these
two temperatures?Write the solution in a
complete sentence.
EXAMPLE 2
Americans use about 2.5 million plastic bottles every hour. About how
many plastic bottles are used on one day?
What operation will you use? State the key word or phrase.
EXAMPLE 2
Americans use about 2.5 million plastic bottles every hour. About how
many plastic bottles are used on one day?Write an expression to represent the situation.
EXAMPLE 2
Americans use about 2.5 million plastic bottles every hour. About how
many plastic bottles are used on one day?Write the solution in a
complete sentence.
EXAMPLE 3The president of a small business is looking at her profit/loss statement
for the past year. The loss in income for the last year was
$23,985. On average, what was the loss per month in the last year?What operation will you use? State the key word or phrase.
EXAMPLE 3
Write an expression to represent the situation.
The president of a small business is looking at her profit/loss
statement for the past year. The loss in income for the last year was $23,985. On average, what
was the loss per month in the last year?
EXAMPLE 3
Write the solution in a complete sentence.
The president of a small business is looking at her profit/loss
statement for the past year. The loss in income for the last year was $23,985. On average, what
was the loss per month in the last year?
EXAMPLE 4
A recipe for buttermilk biscuits called for 3 1/3 cups of flour. How many cups do you need for ½
the recipe?What operation will you use? State the key word or phrase.
EXAMPLE 4
Write an expression to represent the situation.
A recipe for buttermilk biscuits called for 3 1/3 cups of flour. How many cups do you need for ½
the recipe?
EXAMPLE 4
Write the solution in a complete sentence.
A recipe for buttermilk biscuits called for 3 1/3 cups of flour. How many cups do you need for ½
the recipe?