Vocabulary is fun!
a location on a number line often shown by a dot
point
lines that cross at a point
intersecting lines
a figure formed by two rays with the same endpoint
angle
where two sides come together to form a corner or angle
vertex
a straight path that goes on forever in both directions
line
an angle measuring more than 90 degrees
obtuse angle
a part of a line that has two endpoints
line segment
lines that stay the same distance apart and never intersect
parallel lines
lines that intersect and form right angles
perpendicular lines
answers when you use other methods like area model to multiply
partial product
part of a line with one endpoint and extends forever in the other direction
ray
number of square units inside a figure found by multiplying length x width
area
an angle measuring less than 90 degrees
acute
distance around the outside of a figure found by adding all sides together
perimeter
an angle that measures 90 degrees
right angle