#separator:tab
#html:false
#tags column:4
Ratio A comparison of two quantities by division (3 to 5, or 3:5) math-vocab-6-8
Rate A ratio that compares two different kinds of units (60 miles per hour) math-vocab-6-8
Unit rate A rate with 1 as the second quantity ($2 per pound) math-vocab-6-8
Proportion An equation that says two ratios are equal math-vocab-6-8
Percent A ratio out of 100 math-vocab-6-8
Integer A whole number or its opposite: ..., −2, −1, 0, 1, 2, ... math-vocab-6-8
Rational number A number that can be written as a fraction of two integers math-vocab-6-8
Irrational number A number that cannot be written as a fraction; its decimal never ends or repeats (π, √2) math-vocab-6-8
Real numbers All rational and irrational numbers together math-vocab-6-8
Absolute value A number's distance from zero on the number line math-vocab-6-8
Opposite numbers Two numbers the same distance from zero on opposite sides (5 and −5) math-vocab-6-8
Negative number A number less than zero math-vocab-6-8
Greatest common factor (GCF) The largest factor two numbers share math-vocab-6-8
Least common multiple (LCM) The smallest multiple two numbers share math-vocab-6-8
Prime factorization Writing a number as a product of primes (12 = 2 × 2 × 3) math-vocab-6-8
Exponent A small raised number that tells how many times to use the base as a factor math-vocab-6-8
Base The number that is multiplied by itself in a power math-vocab-6-8
Power A number written with a base and an exponent math-vocab-6-8
Square root A number that, multiplied by itself, gives the original number math-vocab-6-8
Scientific notation Writing a number as a number from 1 to 10 times a power of 10 (3.2 × 10^4) math-vocab-6-8
Term A number, variable, or product in an expression math-vocab-6-8
Coefficient The number multiplied by a variable (In 7x, the coefficient is 7) math-vocab-6-8
Constant A term that does not change; a plain number math-vocab-6-8
Like terms Terms with the same variable part (3x and 5x) math-vocab-6-8
Inequality A statement that two values are not equal (x > 4) math-vocab-6-8
Solution A value that makes an equation or inequality true math-vocab-6-8
Slope How steep a line is; rise over run math-vocab-6-8
Y-intercept The point where a graph crosses the y-axis math-vocab-6-8
Function A rule that gives exactly one output for each input math-vocab-6-8
Input The value you put into a function math-vocab-6-8
Output The value that comes out of a function math-vocab-6-8
Linear equation An equation whose graph is a straight line math-vocab-6-8
Quadrant One of the four regions of a coordinate plane math-vocab-6-8
Origin The point (0, 0) where the axes cross math-vocab-6-8
Pythagorean theorem In a right triangle, a² + b² = c² math-vocab-6-8
Hypotenuse The longest side of a right triangle, opposite the right angle math-vocab-6-8
Legs The two shorter sides of a right triangle math-vocab-6-8
Circumference The distance around a circle math-vocab-6-8
Radius The distance from the center of a circle to its edge math-vocab-6-8
Diameter The distance across a circle through its center; twice the radius math-vocab-6-8
Pi (π) The ratio of a circle's circumference to its diameter; about 3.14159 math-vocab-6-8
Surface area The total area of all the faces of a solid math-vocab-6-8
Prism A solid with two identical parallel bases and rectangular sides math-vocab-6-8
Pyramid A solid with one base and triangular faces that meet at a point math-vocab-6-8
Net A flat pattern that folds up into a solid math-vocab-6-8
Similar figures Shapes with the same angles and proportional sides math-vocab-6-8
Scale factor The number you multiply lengths by to enlarge or shrink a figure math-vocab-6-8
Transformation A move that changes a figure's position or size math-vocab-6-8
Translation Slide a figure without turning or flipping it math-vocab-6-8
Reflection Flip a figure over a line math-vocab-6-8
Rotation Turn a figure around a point math-vocab-6-8
Dilation Enlarge or shrink a figure from a center point math-vocab-6-8
Complementary angles Two angles that add up to 90 degrees math-vocab-6-8
Supplementary angles Two angles that add up to 180 degrees math-vocab-6-8
Vertical angles Opposite angles formed by two crossing lines; they are equal math-vocab-6-8
Adjacent angles Two angles that share a side and a vertex math-vocab-6-8
Transversal A line that crosses two or more other lines math-vocab-6-8
Mean The average of a set of numbers math-vocab-6-8
Median The middle value of ordered data math-vocab-6-8
Mode The most frequent value math-vocab-6-8
Range Greatest value minus least value math-vocab-6-8
Outlier A value far from the rest of the data math-vocab-6-8
Quartile One of the three values that split ordered data into four equal parts math-vocab-6-8
Interquartile range (IQR) The third quartile minus the first quartile math-vocab-6-8
Box plot A graph that shows the median, quartiles and extremes of data math-vocab-6-8
Histogram A bar graph with no gaps that shows how data are spread across intervals math-vocab-6-8
Probability A number from 0 to 1 that tells how likely an event is math-vocab-6-8
Sample space The set of all possible outcomes math-vocab-6-8
Compound event An event made of two or more simple events math-vocab-6-8
Variable A letter that stands for a number that can change math-vocab-6-8
Evaluate Find the value of an expression by putting in numbers math-vocab-6-8
Simplify Rewrite an expression in its simplest form math-vocab-6-8
Inverse operation An operation that undoes another math-vocab-6-8
Reciprocal The number that multiplies with another to make 1 (The reciprocal of 3/4 is 4/3) math-vocab-6-8
Terminating decimal A decimal that ends (0.25) math-vocab-6-8
Repeating decimal A decimal with a digit or group of digits that repeats forever (0.333...) math-vocab-6-8
Markup An amount added to a cost to set the selling price math-vocab-6-8
Discount An amount subtracted from a price math-vocab-6-8
Simple interest Interest earned only on the starting amount: I = Prt math-vocab-6-8