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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
A radius is a straight line from the center of a circle to the circumference of a circle.	radius of a circle
distance from one edge of the circle to another through the center.	diameter of a circle
2pir	circumference of a circle formula
circumference divided by diameter of a circle gives you this. We often shorten it to 3.14	Pi
pirr	area of circle formula
a letter that stands for a number.	variable
an expression with variable numbers operations	algebraic expressions
the answer to an addition problem	sum
any of the natural numbers (positive or negative) or zero	integer
the number obtained by division	quotient
an average of n numbers computed by adding some function of the numbers and dividing by some function of n	mean
the quality of being probable; a probable event or the most probable event	probability
a small part of something intended as representative of the whole	sample space
how something is done or how it happens	mode
the number midway between the two middle numbers in a series containing an even or odd number of items	median
concerned primarily with theories or hypotheses rather than practical considerations	theoretical probability
a proportion in relation to a whole (which is usually the amount per hundred)	percent
the quality of being unlike or dissimilar	difference
commodities offered for sale	product
something that results	outcome
relying on observation or experiment	experimental probability
a mathematical notation indicating the number of times a quantity is multiplied by itself	Exponent