Math Vocabulary unti 5 and 6

Front

mixed number

Back

An amount given as a whole number and a fraction

Front

unit fraction

Back

A fraction that has a numerator of one

Front

acute triangle

Back

A triangle with three acute angles

Front

equilateral triangle

Back

A triangle with three sides of equal length

Front

intersecting lines

Back

Lines that cross each other at exactly one point

Front

isosceles triangle

Back

A triangle with at least two sides of equal length

Front

line of symmetry

Back

An imaginary line on a figure about which the figure can be folded so that its two parts match exactly

Front

obtuse triangle

Back

A triangle with one obtuse angle

Front

parallel lines

Back

Lines in the same plane that never intersect and are always the same distance apart

Front

parallelogram

Back

A quadrilateral whose opposite sides are parallel and of equal length