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vocab list #7

vocabulary words number 7

parentheses parentheses are the the symbols used to show which operation or operations in an expression should be done first.
brackets Mathematical brackets are symbols, such as parentheses, that are most often used to create groups or clarify the order that operations are to be done in an algebraic expression.
braces e symbols { and } which are used to indicate sets and bring things together.
numerical expression The term "numerical" means "involving numbers" and the term "expression" means "phrase". A numerical expression is a mathematical phrase involving only numbers and one or more operational symbols
evaluate To evaluate is to find the value of a numerical or algebraic expression.
ordered pairs An ordered pair is a pair of numbers used to locate a point on a coordinate plane; the first number tells how far to move horizontally and the second number tells how far to move vertically.
coordinate plane The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin. Each point in the coordinate plane can be specified by an ordered pair of numbers.
powers of 10 a power of 10 is any of the integer powers of the number ten; in other words, ten multiplied by itself a certain number of times (when the power is a positive integer). By definition, the number one is a power (the zeroth power) of ten.
decimal point A point or dot used to separate the whole number part from the fractional part of a number. Example: in the number 36.9 the point separates the 36 (the whole number part) from the 9 (the fractional part, which really means 9 tenths). So 36.9 is 36 and nin
thousandths One part out of 1,000 equal parts of a whole.
Created by: brayden.turner