RISD 6th math vocabulary for 2nd 9 wks.
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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| simplify | to write a fraction or an expression in simplest form
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| factor tree | a diagram showing the prime factorization of a number
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| percent (%) | the ratio of a number to 100
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| proportion | a mathematical sentence stating that two ratios are equal
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| rate | a ratio in which two quantities with different units of measure are compared
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| ratio | a comparison of two quantities
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| unit rate | the price for one unit of measure
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| circle graph | a round graph that uses pie-shaped sections to show percents or parts of the whole
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| congruent | having the same size and shape
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| line symmetry | a figure has line summetry if a line can divide the figure into two congruent parts
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| polygon | a closed figure made of line segments
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| regular polygon | a polygon in which all sides are the same length and all angles have the same measure
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| quadrilateral | a 4 sides polygon
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| parallelogram | a quadrilateral with opposite sides parallel and congruent
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| rhombus | a parallelogram whose four sides are congruent and whose opposite side angles are congruent
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| line | a straight path that extends infinitely in opposite directions
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| ray | a part of a line that has one endpoint and exends infinitely in the other direction
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| line segment | a part of a line with two endpoints
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| midpoint | the point on a line segment that divides it into two congruent parts
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| parallel lines | two lines in the same plane that never intersect
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| intersecting lines | two lines that cross at exactly the same point
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| perpendicular lines | lines that intersect at one point and form right angles
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| obtuse angle | an angle with a measure of more than 90 degrees but less than 180 degrees
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| right angle | an angle with a measure of 90 degrees
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| straight angle | an angle whose measure is 180 degrees
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| acute angle | an angle that measures greater than 0 degrees and less than 90 degrees
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| acute triangle | a triangle with 3 acute angles
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| equilateral triangle | a triangle with 3 equal sides
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| isosceles triangle | a triangle with 2 congruent sides
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| obtuse triangle | a triangle with one obtuse angle
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| right triangle | a triangle with one right angle
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| scalene triangle | a triangle with no congruent sides
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| circumference | the distance around a circle
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| diameter | a line segment that passes through the center of a circle and has its endpoint on the circle
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| radius | a line segment from the center of the circle to any point on the circle
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| Pi | the ratio of the circumference of a circle to its diameter
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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:
sgrubb
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