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Worksheets7th Grade STAAR Math Vocabulary
Total questions: 20
Worksheet time: 10mins
vertical angle
The angles opposite each other when two lines cross. They are always equal.
The angles formed by two parallel lines and a transversal.
The angles that are adjacent to each other when two lines intersect.
The angles that add up to 90 degrees when two lines cross.
probability experiment
An action or trial that has varying results.
A fixed outcome that cannot change.
A method to predict future events with certainty.
A random event with no possible outcomes.
equally likely
Events that have the same probability of occurring.
Events that are impossible to occur.
Events that occur at different rates.
Events that are guaranteed to happen.
kilometer
A metric unit of measurement equal to 1,000 meters.
A unit of distance equal to 100 meters.
A unit of area equal to 1,000 square meters.
A unit of weight equal to 1,000 grams.
coefficient
A number used to multiply a variable.
A variable that represents a constant value.
A term that describes the degree of a polynomial.
A function that maps inputs to outputs.
total surface area
The sum of the areas of all the surfaces of a three-dimensional object.
The area of the base of a three-dimensional object.
The perimeter of the base of a three-dimensional object.
The volume of a three-dimensional object.
random
Made, done, or happening without method or conscious decision.
Planned and executed with precision.
A result of careful thought and consideration.
A predictable and systematic approach.
percent decrease
A measure of how much a quantity increases, expressed as a percentage of the original amount.
A measure of how much a quantity decreases, expressed as a percentage of the original amount.
A measure of how much a quantity remains the same, expressed as a percentage of the original amount.
A measure of how much a quantity fluctuates, expressed as a percentage of the original amount.
d = rt
The formula for distance, where d is distance, r is rate, and t is time.
The formula for speed, where s is speed, d is distance, and t is time.
The formula for acceleration, where a is acceleration, v is velocity, and t is time.
The formula for force, where F is force, m is mass, and a is acceleration.
fluid ounce
A unit of weight typically used for measuring solids.
A unit of volume typically used for measuring liquids.
A unit of distance used in measuring length.
A unit of temperature used for measuring heat.
square pyramid
A pyramid with a square base.
A pyramid with a triangular base.
A pyramid with a circular base.
A pyramid with a rectangular base.
formula for volume of a pyramid
Volume = 1/3 × base area × height.
Volume = base area × height.
Volume = 2/3 × base area × height.
Volume = base area × height × 1/2.
milligram
A metric unit of mass equal to one thousandth of a gram.
A unit of volume equal to one thousandth of a liter.
A unit of length equal to one thousandth of a meter.
A unit of temperature measurement in Celsius.
gallon
A unit of volume for liquid measure equal to four quarts.
A unit of weight for measuring solids.
A unit of length used in measuring distances.
A unit of temperature measurement.
random sample
A sample that fairly represents a population because each member has an equal chance of inclusion.
A sample that is biased towards a particular group within the population.
A sample that includes only the most accessible members of the population.
A sample that is selected based on the researcher's preferences.
constant rate of change
A rate of change that is the same across all intervals.
A rate of change that varies with time.
A rate of change that increases exponentially.
A rate of change that is only applicable in linear functions.
formula for circumference of a circle
Circumference = 2πr
Circumference = πd
Circumference = 2r
Circumference = r²π
congruent
Having the same size and shape.
Being different in size and shape.
Having a similar appearance but different dimensions.
Being equal in area but not in shape.
formula for volume of a rectangular prism
Volume = length + width + height
Volume = length × width × height
Volume = length × width - height
Volume = length / width × height
lateral surface area
The total area of all the faces of a solid, including the base(s).
The sum of the areas of all the faces of a solid, excluding the base(s).
The area of the base of a solid only.
The perimeter of the base of a solid multiplied by its height.
