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56 Cards in this Set
- Front
- Back
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cubic unit
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A cube with a side length of one unit.Used to measure VOLUME!
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volume
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The amount of space a solid figure takes up.
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square unit
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A square with a side length of one unit.Used to measure AREA
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perimeter
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The distance around a figure
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area
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the number of square units needed to cover a flat surface
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foot
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a customary unit for measuring length or distance
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yard
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customary unit for measuring length or distance
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mile
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customary unit for measuring length or distance
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centimeter
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a metric unit for measuring length or distance
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meter
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a metric unit for measuring length or distance
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decimeter
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a metric unit for measuring length or distance (10cm.)
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kilometer
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a metric unit for measuring length or distance (1,000 m.)
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perpendicular lines
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intersecting lines that cross to form right angles
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intersecting lines
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lines that cross
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parallel lines
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lines that never cross and are always the same distance apart.
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angle
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a figure formed by two rays (or line segments) that share an endpoint
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line
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a straight path extending in both directions with NO endpoints
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line segment
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a part of a line that includes two points, called endpoints and all of the points between them
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point
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an exact position or location
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polygon
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A closed plane figure with straight sides that are line segments
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quadrilateral
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a polygon with 4 sides
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parallelogram
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a quadrilateral (4 sided polygon) with 2 pairs of parallel sides and
2 pairs of equal sides |
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rhombus
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a quadrilateral (polygon) with:
2 pairs of parallel sides and 4 equal sides |
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trapezoid
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a quadrilateral (polygon) with one pair of parallel sides
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pentagon
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a polygon with 5 sides
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hexagon
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a polygon with 6 sides
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octagon
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a polygon with 8 sides
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symmetry
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what a figure has IF it can be folded along a line so that the two parts match exactly!
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line of symmetry
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An imaginary line on a figure along which the figure can be folded so that the two parts match exactly
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congruent
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having the same size AND shape!
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similar
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having the same shape
and the same OR different size! |
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tessellate
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to combine plane figures so that they cover a surface without overlapping or leaving any space between them
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slide
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the movement of a figure to a new position without turning or flipping it
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flip
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the movement of a figure to a new position by flipping the figure over a line
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turn
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a movement of a figure to a new position by rotating the figure around a point!
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capacity
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the amount a container can hold.
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mass
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the amount of matter in an object
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cup
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A customary unit for measuring capacity
(8oz.) |
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pint
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A customary unit for measuring capacity (2 cups)
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quart
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a customary unit for measuring capacity
equal to 2 pints equal to 4 cups |
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gallon
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customary unit for measuring capacity (4 quarts)
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liter
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a metric unit for measuring capacity (1,000 milliliters)
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milliliter
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a metric unit for measuring capacity (1,000_____ = 1 liter)
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ounce
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a customary unit for measuring weight (16? = 1lb)
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pound
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customary unit for measuring weight (16 ounces)
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kilogram
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metric unit for measuring mass
1 __ = 1,000 grams |
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gram
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unit for measuring mass
1,000 __ = 1 kilogram |
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isosceles triangle
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a triangle that has two equal sides
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equilateral triangle
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a triangle that has all 3 sides equally sized
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right angle
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a special angle that forms a square corner (90 )
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right triangle
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a triangle that has one right angle
(a square corner, 90 degrees) |
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acute angle
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an angle that is less than a right angle (< 90 degrees)
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acute triangle
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a triangle that has all (3) acute angles (< 90 degrees)
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obtuse angle
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an angle that is more than a right angle (> 90 degrees)
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obtuse triangle
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a triangle that has one obtuse angle
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scalene triangle
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a triangle that has no equal sides
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