Two lines that will never intersect
Parallel Lines
Adjacent angles that make a 180 degree angle
Supplementary Angles
A type of triangle
With one Right Angle
Right triangles
For 3D shapes
The flat surface of a 3D shape
Faces (3D)
A number whose factors are ONLY 1 and itself (e.g. 3, 13)
Prime Number
Lines that cross, making four right angles
Perpendicular Lines
Congruent means “same”
Congruent Angles
A type of triangle with one Obtuse angle
Obtuse triangles
The number above the fraction bar
NUMERATOR
A number whose factors are more than just 1 and itself (e.g. 6, 10)
Composite Number
Line - straight line, never ends in either direction
Line Segment - part of a line. Has two endpoints
Ray - has one endpoint.
Line
Line Segment
Ray
A type of triangle With two sides the same And two angles the same
Isosceles triangles
A type of triangle with all acute angles (e.g. equilateral triangles are always acute angles)
Acute triangles
The number below the fraction bar
DENOMINATOR
Anything times zero = zero
Zero property
of multiplication
Angles that share a ray
Adjacent Angles
A type of triangle
Sides are all different lengths
And all different angles
Scalene
triangles
For 3D shapes
Points/Corners where three edges meet
Vertices (3D)
A whole number with a fraction
(e.g. 2 ½ )
Mixed Number
Anything times one = itself
Identity property
of multiplication
Adjacent Angles that make a 90 degree angle
Complementary Angles
A type of triangle
With equal length sides
And same size angles
Equilateral
triangles
For 3D shapes
A line segment where two faces meet
Edges (3D)
A fraction with
Larger number over Smaller number
Always more than 1
Improper Fraction
3 x 4 = 4 x 3
Commutative Property