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GED Vocabulary

GED Test Vocabulary Sample

Absolute Value- the distance an integer is from zero on a number line.

Bar graph- a graph with bars that represent different numbers.

Cancellation – the process of reducing factors when multiplying and dividing fractions.

Chart- information arranged in columns and rows.

Circle graph – information shown in a circle that is cut into sections to show that parts that make up the total.

Common denominator- a number that two or more denominators divide into evenly.

Comparing numbers- also know as ordering, finding if two numbers are equal, if one number is less than another, or if one number is greater than another.

Coordinates – two numbers that represent a point on a grid that has a horizontal axis and a vertical axis.

Coordinate system – a set of points on a coordinate grid that has a horizontal axis and a vertical axis.

Cross product rule – to find the missing number in a proportion, cross multiply and divide the product by the third number.

Indirect measurement – a method to find measures when there is no way to actually perform the measurement.

Interest – a fee charged for using someone else’s money expressed as a percent.

Line graph- a graph consisting of lines that connect points representing different amounts to show change.

Metric measurement system – the measurement system used throughout most of the world; based on the powers of ten.

Negative number- a number preceded by a minus sign, indicating a number to the left of zero on a number line; a number less than 0 in value; used to show a decrease, a loss or downward direction.

Number Line – line divided into equal segments by points corresponding to integers, fractions, or decimals. Points to the right of 0 are positive; those to the left are negative.

Ordered pair – a pair of numbers in parentheses, an x-coordinate followed by a y-coordinate; that names a point on the coordinate grid.

Ordering – arranging a set of integers, fractions or decimals from least to greatest or greatest to least.

Origin – the point of intersection of the x-axis and the y-axis in the coordinate plane.

Parallel lines – two lines on the same plane that do not intersect.

Perpendicular – two lines that intersect, forming adjacent right angles.

Plane – a set of points that forms a flat line.

Point – single, exact location often represented by a dot.

Positive number – a number to the right of zero on a number line, sometimes preceded by a plus sign; a number greater that 0 in value; used to show an increase, a gain or upward direction.

Principal – an amount of money borrowed or invested.

Probability – a number that shows how likely it is that an event will happen.

Product – the answer in a multiplication problem.

Proportion – an equation that states that two ratios are equal.

Quadrant – one-fourth of a coordinate grid, formed by the intersecting axes.

Quotient – the answer in a division problem.

Ray – apart of a line having only one endpoint.

Scale – the relationship between two sets of measurements.

Scientific notation – a way of writing very large numbers and very small fractions, in which the numbers are expressed as the product of a number between q and 10 and the power of 10.

Signed numbers – positive and negative numbers, used to show quantity, distance, and direction.

Table – information arranged in columns and rows.

Unit rate –a ratio with a denominator of 1.

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