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Math 5: Unit 9 Vocabulary
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Gravity
5th grade math vocabulary
Terms in this set (25)
coordinate grid
A device for locating points in a plane using ordered number pairs, or coordinates.
ordered pair of numbers
Two numbers that are used to locate a point on a rectangular coordinate grid.
translation
A movement of a figure along a straight line; a slide.
opposite of a number
A number that is the same distance for 0 on a number line as a given number, but on the opposite side of 0.
square units
A unit used in measuring area, such a square centimeter or square foot.
cubic unit
A unit used in measuring volume, such as a cubic centimeter or cubic foot.
axis
Either of the two numberlines that intersect to form a coordinate grid.
horizontal axis
In a left to right orientation; parallel to the horizon. The horizontal line on a grid for plotting a point.
reflection
The "flipping" of a figure over a line (the line of reflection) so that its image is the mirror image of the orignal figure (preimage).
rectangle method
A method for finding area in which rectangles are drawn around a figure or parts of a figure.
height
The length of the shortest line segment between the base of a parallelogram and the line containing the opposite side.
rectangular prism
A prism with rectangular bases.
capacity
The amount a container can hold. The volume of a container.
cubic centimeter
A metric unit of volume equal to the volume of a cube with 1 cm edges.
origin
The 0 point on a number line. The point (0,0) where the two axes of a coordinate grid meet.
coordinate
One of the two numbers in an ordered number pair. (a,b)
base
A side on which a polygon "sits". The height of a polygon may depend on which side is called the base.
perpendicular
Crossing or meeting at right angles.
formula
A general rule for finding the value of something often written using letters, called variables
face
A flat surface on a 3-dimensional shape.
vertical axis
Upright; perpendicular to the horizon. The vertical line on a grid for plotting a point.
volume
A measure of how much space a solid object takes up. Measured in cubic units.
area
The amount of surface inside a closed boundary. Area is measured in square units.
variable
A letter or other symbol that represents a number.
prism
A polyhedron with two parallel faces, called bases that are the same size and shape.
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