MCA-III 7th Grade Math Vocabulary
Terms in this set (52)
Any number that can be written as a fraction
(includes terminating and repeating decimals)
All whole numbers (both positive and negative) and zero.
A number that names part of a whole.
a number that uses place value and decimal points to show values less than one, such as tenths, hundredths, etc.
A decimal number that ends or stops
a decimal that keeps going with same digit, or group of digits
Two numbers with the same absolute value but different signs (-5, and 5)
(0,0) The central point on a grid.
A mathematical operation that is the opposite of another operation. For example, addition and subtraction.
The amount of interest based on a principal amount and not on earned interest.
Interest earned on both the initial principal and the interest reinvested from prior periods.
It states that two ratios are equal. It can be written as two equal fractions.
The distance a number is from zero on a number line. ALWAYS POSITIVE
steepness of the line or rise over run, the change in y over the change in x
A mathematical sentence that contains less than, greater than, less than or equal to, greater than or equal to, or not equal
To write a fraction or expression in smallest numbers or terms
Provide an answer to the question.
replace a variable with its given value
A comparison of two numbers by division
They can be shown in 3 different ways. 4/1, 4 to 1, and 4:1
The distance from the center to the circumference of a circle
A change in the form of a measurement, different units, without a change in the size or amount. 10mm =1 cm
Changing a shape using:
• Turn (Rotation)
• Flip (Reflection)
• Slide (Translation)
A straight line passing from side to side through the center of a circle or sphere.
The distance around a circle.
3D figure with two parallel congruent circular bases and a curved lateral surface that connects the bases
Two figures are the same shape (corresponding parts, sides and angles), but different size.
The sides and angles of similar figures or congruent figures
The ratio of any two corresponding lengths in two similar geometric figures.
the new points after a transformation
stem and leaf plot
A display of data in which digits with larger place values are on the left side of the line and digits with smaller place values are on the right side of the line
The fraction or percent of time that the event occurs.
A data display that uses pieces of a circle to show parts of a whole.
A graph of vertical bars representing the frequency distribution of a set of data.
A table for organizing a set of data that shows the number of times each item or number appears.
A relationship between two variables in which the product is a constant. When one variable increases the other decreases in proportion so that the product is unchanged.
When two quantities always have the same size in relation to each other. In other words, they have the same ratio.
The pair of numbers giving the location of a point (ordered pair)
The sum of the areas of all sides of a prism or cylinder, but not including the top or bottom base.
A data point that is distinctly separate from the rest of the data.
When the fraction a/b is changed to b/a
One part in every hundred or per one hundred
a quantity to which a given number or expression is to be raised
tells you how many times to use a number in repeated multiplication, includes the base and the exponent
the number that is raised to a power
two numbers written in certain order, usually written as (x, y)
the horizontal line on the coordinate grid that runs through the origin
the vertical line on the coordinate grid that runs through the origin
The cost per liter, per kilogram, per pound, etc, of what you want to buy.
a special relationship where each input has exactly one output
order of operations
The rules that say which calculation comes first in an expression. PEMDAS
the chance that something will happen - how likely it is that some event will occur
How often something happens (usually during a period of time)
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