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Math Units 1, 2, 3, 4, 5, 6, 7, and 8
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Gravity
Terms in this set (48)
Mean
add up all the numbers and divide by the number of addends.
Median
The middle number
Mode
The number that appears the most.
Range
When you subtract the lowest number from the highest number.
Maximum
The largest number when given a set of numbers.
Minimum
The smallest number when given a set of numbers.
Product
answer to a multiplication problem
Quotient
answer to a division problem
Exponent
The small number that tells you how many times you multiply the number by itself.
Power of 10
says how many times to use the number in multiplication.
Standard Notation
the number as we normally write it.
Expanded Notation
Writing a number to show the value of each digit.
Variable
A letter or symbol that represents an unknown number.
Formula
A rule for finding the value of something.
Example: for area, it is A = b x h
Evaluate
to find a value for. You can do this when solving when given a formula or algebraic expression.
Algebraic Expression
An expression that contains a variable. 15 + k
Commutative Property
a rule where in multiplication and addition you can change the order of the numbers and you will still get the same answer.
Substitute
To replace a variable with a number.
Factor
any numbers that go "into" another number. Example: in 2x3=6, 2 and 3 are it.
Improper Fraction
A fraction where the numerator is bigger than the denominator.
Common denominator
When two fractions have the same denominator.
Multiple
When you count by a number. For example: if finding them of 7, it would be: 7, 14, 21, 28, 35, 42, 49...........
Percent
A number out of 100. Example: 48% of students are boys, which is the same as 48/100.
Mixed Number
A number written with a whole number AND a fraction.
Complementary Angles
Angles that add up to 90 degrees
Adjacent Angles
Two angles that share a common vertex
Corresponding Angles
The angles in matching corners
Opposite Angles
Angles that are opposite of each other when two lines cross, they will have the same angle degree
Supplementary Angles
Angles that add up to 180 degrees
Congruent Angles
have the same angle degree
Vertex
When 2 lines meet in the middle
Perpendicular
Lines that intersect
Absolute Value
The distance of a number from 0
Constant
A quantity that does NOT change
Reciprocal
flipping a fraction
Inequality
A number sentence with <, >, =, etc..
Coefficient
A number used to multiply a variable.
Integer
a whole number (not a fractional number) that can be positive, negative, or zero.
Outcomes
a possible result of a probability experiment.
Experimental Probability
A fraction describing the number of times an event occurred over the total number of trials after performing an experiment
Tree diagram
shows all the possible outcomes of an event.
Event
something that happens
Theoretical Probability
The likeliness of an event happening based on the possible outcomes
Random
a sample in which each individual or object in the population has an equal chance of being selected.
Rate
a special ratio in which the two terms are in different units. (Example: 12 oz can of corn costs 69 cents. It is 69 cents per oz.)
Proportion
a name we give to a statement that two ratios are equal.
Per unit rate
a rate is the ratio between two related quantities (example: miles per hour)
Ratio
a relationship between two numbers indicating how many times the first number contains the second.
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