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# Heaven1 Key Terms

Area The number of sqaure units needed to cover the surface enclosed by a geometric
Equation A mathematical sentence that contains an equal sign, =
Varible A symbol, usually a letter, used to represent a number
exponet In a power, the number of times the base is used as a factor
factor A number that divides into a whole number with a remainder of zero
solve To replace a variable with a value that results in a true sentence
Algebra A mathematical language that uses symbols, ussally letters, along with numbers. The letters stand for numbers that are unknown
Algebraic expressions combinations of varibles,numbers, and at least one operation
equation A mathmatical sentence that contains an equal sign, =
base In a power, the number used as a factor.
evaluate To find the value of an algebraic expression by replacing variables with numerals
cubed The product in which a number is a factor three times
prime factorization A composite number expressed as a product of prime numbers
equal sign two lines parrelell that tells you how much equal to
prime number A whole number that has exactly two unique factors, 1 and the number itself
definning the variable Choosing a variable to represent the input when writing a function rule
solution The value of a variable that makes an equation true
power numbers expressed using exponents
order pf operations operation to perform first so thst everyone finds the same value for an expression
function assigns exactly one output value to one input value
Function Table organizer for input and output
function rule tells you if yoou mutiply r divie or add or subtract
composite numbers when you can multiply more than twice
average number of cubes in each stack that results from equally disributing all the cubes
bar graph is used to compare categories of data
measures of central tendacy mean, median, and mode
median is the middle number
frequency is the number of times an item occurs
mode numbers that show up more often
graph is a more visual way to display data
negative numbers written with a - sign
positive numbers data that are greater than zero
horizantal axis when categories are written on the bottom
opposites are numbers that are the same distance from zero in oppisite direction
integers positive whole numbers, their opposites, and zeros
key explains the stems and leaves
outlier numbers that are further than the other numbers
line graph is used to show how a set data change over period of time
range when you subtract the largest number with the lowest numbers
line plot is a diagram that shows the frequency of data on a number line
stem-and-leaf plot the data are ordered from least to greaatest and organized by place value
mean a set of data is the sum of the data divided by the number of pieces of data
vertical axis it includes the least number, ex 13, and the greatest nmber, ex 76
Clustering Estimating method in which a group of numbers An estimation method in which a group of numbers close in vaule are rounded to the same number
Decimals A number that has twodigits in the tenths place and beyond
equivalent decimals decimals that name the same number
espanded form the sum of a product
front-end estimation an estimation method in which the front digitts are added or subtracted
inequality A mathematical sentence indicating two quanities are not equal
standard form number written without exponets
Common multiples multiples that are shared by two or more numbers
equivalent fractions fractions that name the same number
greatest common factor the greatest of the common factors of two or more numbers
improper fraction a fraction that has a numerator that us greater than or equal to the denominator.
least common denominator the least common multiple for the denominators of two or more fractions
least common mulitple the least of the common multiples of two or more numbers
mixed numbers the sum of a whole number and a fraction
simplest form the form of a fraction when the GCF of the numerator and the denominator is 1
venn diagram a diagram that uses circles to display elements of different sets
Created by: Heaven Howard