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Operations and Algebraic Thinking
Numbers and Operations in Base Ten
Fraction Action
Measurement and Data
Geometry
100
One of two or more numbers that are multiplied to give a product.
What are factors?
100
To adjust a number to make it easier to work with.
What is round?
100
In a fraction, this shows the whole divided into equal parts; the number of equal parts into which the whole is divided.
What is the denominator?
100
The distance around a two-dimensional shape along the boundary of the shape.
What is perimeter?
100
Quadrangle with only one pair of parallel sides.
What is a trapezoid?
200
In division, the number that is being divided.
What is the dividend?
200
A comparison by division of two quantities with unlike units, such as miles per hour.
What is rate?
200
A fraction whose numerator is greater than or equal to its denominator.
What is an improper fraction?
200
The value or values that occur most often in a set of data.
What is the mode?
200
The point where two lines or segments meet.
What is vertex?
300
Per hundred or out of a hundred.
What is percent?
300
Multiplication and division are operations that have a relationship that can be described as this.
What is inverse?
300
A number that is written using both a whole number and a fraction.
What is a mixed number?
300
In the metric system, a unit of length equivalent to 1/10 of a meter; 10 cm.
What is a decimeter?
300
Meeting at right angles.
What is perpendicular?
400
The letter or symbol that represents a missing number in a number sentence.
What is a variable?
400
A close, rather than exact, number; an approximate answer to a computation problem.
What is estimate?
400
Fractions with different denominators that name the same number.
What are equivalent fractions?
400
A sketch of data in which Xs or other marks above a labeled line show the frequency of each value.
What is a line plot?
400
Circles that share the same center point.
What are concentric circles?
500
Equal, greater than, and less than. These must be present in a number sentence.
What are relation symbols?
500
A set of step by step instructions for doing something, such as carrying out a computation or solving a problem.
What is an algorithm?
500
A number that tells the chance that an event will happen.
What is probability?
500
The ratio of the distance on a map, globe, or drawing to an actual distance.
What is scale?
500
A polygon with all vertices pushed out.
What is convex?