# Shared Flashcard Set

## Details

Mathmatics-DME Oral
General ASA 17 Questions Select Author to get all Subjects
17
Aviation
03/19/2016

Term
 Name at least two ways a ratio may be expressed?
Definition
 As a fraction or a colon
Term
 What is a proportion?
Definition
 A statement of equality between two or more ratios
Term
 How do you express a decimal as a percent?
Definition
 Move the decimal point two places to the right
Term
 What is the sum of a large positive number and a small negative number?
Definition
 A positive number minus the negative number
Term
 What is a trapezoid?
Definition
 A 4 sided quadrilateral shape having one pair of parallel sides
Term
 What is Pi?
Definition
 A given constant, 3.1416, the ratio of the circumference to the diameter of any circle
Term
 How do you find the area of a circle?
Definition
Term
 How do you find the area of a rectangle?
Definition
 Length times width
Term
 When using the powers of ten, how may 1,000,000 be defined?
Definition
 10 to the 6th
Term
 How may the difficulty of performing mathematical problems with very large numbers be solved?
Definition
 The use of powers of ten
Term
 What is a square of a number or example of a squared number?
Definition
 2 times 2 equals 4
Term
 What is the root of a number?
Definition
 A number that is one of two or more equal numbers that, when multiplied together, will produce the number
Term
 What is the procedure for dividing one fraction by another fraction?
Definition
 Invert the divisor and multiply the numerators together and the denominators together
Term
 What is a key step to perform in preparing to add or subtract unlike fractions?
Definition
 Find their lowest common denominator
Term
 What is the procedure for converting a fraction into a decimal?
Definition
 Divide the numerator by the denominator
Term
 What is the procedure for converting a fraction into percent?
Definition
 Divide the numerator by the denominator. Move the decimal point over two places in the quotient and affix the percent symbol
Term
 What is the procedure for changing a decimal into the nearest equivalent fraction?
Definition
 Multiply the decimal by the desired denominator. The result will be the numerator of the fraction
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