GED Math : Decimals and Fractions
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Example Questions
Example Question #51 : Numbers And Operations
Evaluate:
Do not use a calculator.
Since one digit of the first factor and no digits of the second are to the right of the decimal point, we can place the decimal point one place from the right in the product; this is 6.5.
Now, we add 2.5 to 6.5 as follows:
The correct response is 9.
Example Question #52 : Ged Math
What mixed number is represented by the shaded portion of the above diagram?
Three whole circles are shaded, so the integer part of the mixed number is 3.
The denominator of the fraction portion, on the bottom, is the number of pieces each whole circle is divided into, which is 8. The numerator, on the top, is the number of pieces of the fourth circle actually shaded in, which is 3.
Therefore, the diagram represents the fraction 
Example Question #61 : Numbers And Operations
In lowest terms, what fraction of the above figure is red?
Sixteen parts are colored red out of the twenty that make a whole, so one fraction that this represents is 
which is the correct response.
Example Question #62 : Ged Math
Evaluate 
Do not use a calculator.
Example Question #62 : Numbers And Operations
Three inches on a map represents 100 miles of real distance. The distance between Adams and Monroe on a map is seven and a half inches. How many miles separate the two cities in reality?
Since three map inches represent 100 real miles, one inch represents
Seven and one half inches represents
the distance between the two cities.
Example Question #63 : Numbers And Operations
Above is the menu at a coffee shop.
Alana has a coupon which she can use to get either a free butter croissant with the purchase of a large drink or one dollar off a butter croissant with the purchase of a small drink. The coupon says "limit 4".
Alana orders one large espresso, two small iced coffees, and three butter croissants. Disregarding tax, how much will she spend?
Alana will be able to save on all three butter croissants, since the coupon allows discounts on up to four. With the large espresso, one of the croissants will be free; with the two small iced coffees, two of the croissants will be $1 off each - that is, $1.29 each.
Therefore, she will pay for:
One large espresso:
Two small iced coffees:
Two butter croissants:
Alana will spend:
Example Question #63 : Numbers
Above is the menu at a coffee shop.
Cassie has a coupon that entitles her to a free butter croissant with the purchase of one large drink of any kind. The coupon says "limit one per coupon".
She decides to purchase two small cafe lattes, two large cafe lattes, and four butter croissants. Disregarding tax, how much will Cassie spend?
Cassie will be able to use the coupon to get one free butter croissant with one of her large cafe lattes, so she will end up paying for:
Two large cafe lattes:
Two small cafe lattes:
Three butter croissants:
Add these amounts:
Example Question #64 : Numbers And Operations
Above is the menu at a coffee shop.
Philip has a coupon that entitles him to a free butter croissant with the purchase of one large drink of any kind. The coupon says "limit one per coupon".
He decides to purchase a large cafe latte, a large cappucino, and two butter croissants. Disregarding tax, how much will he pay for them?
The coupon will entitle him to one free croissant, so Phil will pay for the large cafe latte, the large cappucino, and one butter croissant. The charge will be the sum of the three prices:
Example Question #65 : Numbers And Operations
Evaluate:
Do not use a calculator.
Example Question #64 : Numbers
Evaluate:
Do not use a calculator.
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