7th & 8th Math STAAR Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| acute angle | An angle measuring more than zero degrees and less than 90 degrees
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| area | Surface space that is measured in square units
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| circumference | The distance around a circle (the perimeter of a circle)
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| complementary angle | Two angles whose sum equals 90 degrees
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| congruent | Having the same size and shape
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| cylinder | A solid figure with two congruent and parallel circular bases
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| diameter | A line segment that passes through the center of a circle and has its endpoints on the circle
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| difference | The amount that remains after one number has been subtracted from another
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| dividend | In a division problem, it's the number being divided
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| divisor | In a division problem, the number that an amount is divided by
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| equation | A mathematical sentence that uses an equal sign
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| equilateral triangle | A triangle that has three equal sides and three equal angles
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| exponent | A number that tells how many times the base is multiplied by itself
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| expression | A combination of numbers and variables connected by one or more operations signs
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| hexagon | A polygon with six sides.
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| isosceles triangle | A triangle with two equal sides and two equal angles
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| lowest terms | A fraction with all common factors (other than 1) factored out of the numerator and denominator
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| mean | The sum of a group of numbers divided by the number of numbers; also known as the average
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| median | A value found by ordering a group of data from least to greatest and choosing the middle value of the group.
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| mode | In a group of values, the value that occurs most often
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| obtuse angle | An angle measuring more than 90 degrees and less than 180 degrees
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| octagon | An eight-sided polygon
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| order of operations | Rules that tell which steps to follow when solving an expression
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| ordered pair | Two numbers listed in a specific order; it describes a point on the coordinate graph
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| parallelogram | a quadrilateral with two pairs of congruent, parallel sides
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| pentagon | A polygon with five sides
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| percent | The ratio of a number to 100 (per one hundred); the symbol %
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| perimeter | The distance around a figure
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| polygon | Three or more line segments in a plane that forms a closed figure. The line segments never cross but meet at their endpoints.
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| prism | a solid figure that has two congruent, parallel polygons as its bases. Its sides are parallelograms.
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| product | The result of muliplying two or more numbers
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| proportion | An equation stating that two ratios are equal
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| pyramid | A solid figure that has triangles for its sides and a polygon as its base
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| quadrant | One of the four regions formed by the intersection of the axes of a coordinate graph
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| quadrilateral | A polygon that has four sides
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| quotient | The result of dividing one number by another; the solution to a division problem
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| radius | A length that is half the diameter of a circle; the distance from the center of the circle to the circle itself
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| range | The difference between the least and greatest values in a set of numbers
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| rate | A ratio that compares two different types of quantities
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| ratio | A comparison of the two values of two numbers
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| reciprocal | The inverse of a fraction; when multiplied by the original fraction, it results in a product that equals one
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| rectangle | A parallelogram with four right angles
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| reflection | A mirror image of a figure shown over a line of reflection
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| rhombus | A parallelogram with all sides equal and congruent
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| right triangle | A triangle with one right angle
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| scale drawing | A drawing of an object that is different in size (usually smaller than the original) but keeps the same proportions
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| scalene triangle | A triangle with sides of different lengths and no two angles are the same
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| similar figures | Figures that have the same shape but different sizes; their sides are proportional, while their corresponding angles are equal
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| simplify | To make a fraction easier to work with by taking out common factors
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| square root | A number that when multiplied by itself results in the original number
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| straight angle | An angle that measures 180 degrees
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| sum | The total of two or more numbers being added
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| supplementary angles | Two angles whose sum is 180 degrees
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| trapezoid | A quadrilateral with one pair of parallel sides
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| unit ratio | A ratio that shows the cost per unit of measure
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| vertex (vertices - plural) | The point of intersection for two sides of a plane figure, three sides of a solid figure, or the endpoints of two rays that form an angle.
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| x-axis | The horizontal number line of a coordinate graph
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| x-coordinate | The value on the x-axis used to locate a point on the coordinate graph. It is the first value in an ordered pair.
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| y-axis | The vertical number line of a coordinate graph
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| y-coordinate | The value on the y-axis used to locate a point on the coordinate graph. It is the second value in an ordered pair.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
bmercer
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