5th Grade Math Vocab Flashcards
A triangle that contains only angles that are less than 90 degrees
Acute triangle
having the same measure
Congruent
change from one form to another
Convert
a mathematical sentence that contains an equal sign
Equation
a mathematical phrase that contains operations, numbers but no equal sign
Expression
any 6 sided polygon
Hexagon
triangle with 2 equal sides and 2 equal angles (sum of all angles is 180)
Isosceles Triangle
a triangle with one angle that is greater than 90 degrees
Obtuse Triangle
any shape with 8 sides
Octagon
line that do not intersect
Parallel Lines
a quadrilateral whose opposite sides are both parallel and equal in length
Parallelogram
any 5 sided polygon
Pentagon
two lines that intersect to form right angles
Perpendicular Lines
many sided figure
Polygon
a figure with 4 sides and 4 right angles
Quadrilateral
