SIFT Math Exam with 100% Correct
Solutions
Natural Number - ANSWER-Positive numbers not including zero, either prime or
composite
Whole Numbers - ANSWER-Natural numbers + 0
Integers - ANSWER-Natural + whole + negative numbers
Rational Numbers - ANSWER-Fractions & decimals that terminate or resolve into a
repeating pattern
Absolute Value - ANSWER-The distance the number is from 0 and is always positive
denoted |x|
Ex: |-2| = 2
Order of Operations - ANSWER-Parenthesis - Exponents - (Multiplication - Division) -
(Addition - Subtraction)
Proper Fraction - ANSWER-The denominator is greater than the numerator, and the
value is less than one.
Improper Fraction - ANSWER-Numerator is greater than the denominator, making the
value greater than 1. Can be written as a mixed number n
Mixed Number - ANSWER-1 2/6 Whole Number and fraction, can be converted to
improper fraction
Ratio - ANSWER-A/b a:b a to b
Angle Bisector - ANSWER-Divides an angle in half
Altitude of a triangle - ANSWER-Shortest distance from a vertex to the opposite base
Median - ANSWER-Extends from an angle to bisect the other side
Centroid - ANSWER-Where a triangle's 3 medians meet
Orthocenter - ANSWER-Formed by the intersection of a triangle's 3 altitudes
Solutions
Natural Number - ANSWER-Positive numbers not including zero, either prime or
composite
Whole Numbers - ANSWER-Natural numbers + 0
Integers - ANSWER-Natural + whole + negative numbers
Rational Numbers - ANSWER-Fractions & decimals that terminate or resolve into a
repeating pattern
Absolute Value - ANSWER-The distance the number is from 0 and is always positive
denoted |x|
Ex: |-2| = 2
Order of Operations - ANSWER-Parenthesis - Exponents - (Multiplication - Division) -
(Addition - Subtraction)
Proper Fraction - ANSWER-The denominator is greater than the numerator, and the
value is less than one.
Improper Fraction - ANSWER-Numerator is greater than the denominator, making the
value greater than 1. Can be written as a mixed number n
Mixed Number - ANSWER-1 2/6 Whole Number and fraction, can be converted to
improper fraction
Ratio - ANSWER-A/b a:b a to b
Angle Bisector - ANSWER-Divides an angle in half
Altitude of a triangle - ANSWER-Shortest distance from a vertex to the opposite base
Median - ANSWER-Extends from an angle to bisect the other side
Centroid - ANSWER-Where a triangle's 3 medians meet
Orthocenter - ANSWER-Formed by the intersection of a triangle's 3 altitudes