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Set 1
Math Vocabulary
| Term | Definition |
|---|---|
| acute triangle | a triangle in which each of the three angles is acute (less than 90 degrees) |
| additive pattern | a pattern that occurs when the same value is added to each input to determine the output or y = x + a |
| area | the number of square units inside a closed 2D space |
| congruent | of equal measure; having the same size and same shape |
| decagon | polygon with ten sides and ten angles |
| denominator | the part of a fraction below the bar that tells how many equal parts there are |
| difference | the part remaining in subtraction |
| equilateral triangle | a special isosceles triangle with three equal sides and 3 acute 60 degree angles |
| heptagon | polygon with seven sides and seven angles |
| hexagon | polygon with six sides and six angles |
| inverse operations | opposite operations, or ones that undo each other such as addition and subtraction or multiplication and division |
| isosceles triangle | a triangle with at least two congruent sides, with all acute, one obtuse, or one right angle |
| multiplicative pattern | a pattern that occurs when the same value is multiplied by an input to determine the output or y = ax |
| nonagon | polygon with nine sides and nine angles |
| numerator | the part of a fraction above the bar that tells the number of fractional pieces being used |
| obtuse triangle | a triangle that has one obtuse angle (greater than 90 degrees) and two acute angles |
| octagon | polygon with eight sides and eight angles |
| ordered pairs | a pair of numbers used to locate a point on a coordinate plane (x , y) |
| parallel lines | lines in the same plane that do not cross each other; they stay the same distance apart |
| parallelogram | a quadrilateral where opposite sides are parallel and congruent |
| perimeter | a linear measurement around the outer edge of a figure |
| pentagon | polygon with five sides and five angles |
| perpendicular lines | lines that intersect at right angles to each other to form square corners |
| polygon | a closed plane figure formed by three or more line segments (no curves) |
| product | the total when two or more factors are multiplied |
| quadrilateral | polygon with four sides and four angles |
| rectangle | a quadrilateral that is a parallelogram and has four right angles |
| regular polygon | polygon with all sides and all angles congruent |
| rhombus | a quadrilateral that is a parallelogram and has four congruent sides |
| right triangle | a triangle with one right angle (exactly 90 degrees) and two acute angles |
| scalene triangle | a triangle with no congruent sides, with all acute, one obtuse, or one right angle |
| square | a quadrilateral that is a parallelogram and has four right angles (rectangle) and four congruent sides (rhombus) |
| sum | answer to addition |
| trapezoid | a quadrilateral that only has one pair of parallel sides |
| triangle | polygon with three sides and three angles |
| x - coordinate | the first number in an ordered pair; it tells how far left or right to move from (0, 0) |
| y - coordinate | the second number in an ordered pair; it tells how far up or down to move from (0, 0) |
Created by:
MicheleDavis
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