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WorksheetsUnit 9&10 math vocabulary 4th
Total questions: 51
Worksheet time: 29mins
Name
Class
Date
1.
An angle that measures less than 90 degrees.
a)
obtuse angle
b)
acute angle
c)
right angle
d)
straight angle
2.
A triangle in which each of the three angles is acute (less than 90 degrees).
a)
acute triangle
b)
obtuse triangle
c)
straight triangle
d)
right triangle
3.
Two non-overlapping angles that share a common vertex and exactly one ray.
a)
vertices
b)
acute angles
c)
adjacent angles
d)
obtuse angles
4.
Two rays with a common endpoint (the vertex).
a)
angle
b)
rays
c)
triangle
d)
plane
5.
Angle marks indicating angles of the same measure.
a)
angle congruency marks
b)
side congruency marks
6.
Applying an attribute to categorize a sorted group.
a)
table
b)
classify
c)
grouping
d)
sequencing
7.
Of equal measure, having exactly the same size and same shape.
a)
different
b)
same
c)
congruent
d)
degrees
8.
The measure of an angle where each degree represents 1/360 of a circle.
a)
degree
b)
angle
c)
circle
d)
inch
9.
lines that meet or cross at a point
a)
perpendicular lines
b)
intersecting lines
c)
rays
d)
angles
10.
A polygon with sides and/or angles that are not all congruent.
a)
different
b)
congruent
c)
polygon
d)
irregular figure
11.
A set of points that form a straight path that goes in opposite directions without ending.
a)
ray
b)
line segment
c)
line
d)
length
12.
Line dividing an image into two congruent parts that are mirror images of each other.
a)
rays
b)
line of symmetry
c)
perpendicular line
d)
intersecting line
13.
Part of a line between two points on the line, called endpoints of the segment.
a)
line segment
b)
line of symmetry
c)
intersecting lines
d)
perpendicular lines
14.
An angle that measures greater than 90 degrees but less than 180 degrees.
a)
obtuse
b)
acute
c)
right
d)
straight
15.
A triangle that has one obtuse angle (greater than 90 degrees) and two acute angles.
a)
obtuse triangle
b)
acute triangle
c)
isosceles triangle
d)
polygon
16.
Lines that lie in the same plane, never intersect, and are always the same distance apart.
a)
straight lines
b)
perpendicular lines
c)
parallel lines
d)
line segments
17.
Lines that intersect at right angles to each other to form square corners.
a)
lines of symmetry
b)
parallel lines
c)
perpendicular lines
d)
rays
18.
A specific location in space.
a)
point
b)
dot
c)
decimal
d)
interval
19.
A closed figure with at least 3 sides, where all sides are straight (no curves).
a)
irregular figure
b)
triangle
c)
polygon
d)
3-D figure
20.
Part of a line that begins at one endpoint and continues without end in one direction.
a)
ray
b)
line segment
c)
perpendicular lines
d)
angle
21.
A polygon with all sides and angles congruent.
a)
irregular figure
b)
regular figure
22.
An angle (formed by perpendicular lines) that measures exactly 90 degrees.
a)
perpendicular angle
b)
acute angle
c)
obtuse angle
d)
right angle
23.
A triangle with one right angle (exactly 90 degrees) and two acute angles.
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
straight angle
24.
Side marks indicating side lengths of the same measure.
a)
angle congruency marks
b)
side congruency marks
25.
An angle that measures 180 degrees (a straight line).
a)
ray
b)
obtuse angle
c)
straight angle
d)
right angle
26.
A polygon with 3 sides and 3 vertices.
a)
triangle
b)
square
c)
rectangle
d)
3-D figure
27.
A figure with two basic units of measure, usually length and width.
a)
2-Dimensional figure
b)
3-Dimensional figure
c)
plane
d)
prism
28.
A round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center).
a)
square
b)
rectangle
c)
circle
d)
ball
29.
A plane figure with 10 straight sides and angles.
a)
hexagon
b)
pentagon
c)
decagon
d)
octagon
30.
A straight line joining two opposite corners of a square, rectangle, or other straight-sided shape.
a)
line segment
b)
ray
c)
diagonal
d)
angle
31.
A triangle in which all three sides are equal.
a)
isosceles triangle
b)
equilateral triangle
c)
right triangle
d)
obtuse triangle
32.
A plane figure with 6 straight sides and angles.
a)
pentagon
b)
circle
c)
hexagon
d)
octagon
33.
Parallel to the plane of the horizon.
a)
vertical
b)
horizontal
34.
A triangle that has 2 sides of equal length.
a)
right triangle
b)
equilateral triangle
c)
acute angle
d)
isoceles triangle
35.
A plane figure with 8 straight sides and angles.
a)
pentagon
b)
decagon
c)
hexagon
d)
octagon
36.
A four-sided plane rectilinear figure with opposite sides parallel.
a)
hexagon
b)
triangle
c)
parallelogram
d)
star
37.
A plane figure with 5 straight sides and 5 angles.
a)
hexagon
b)
pentagon
c)
octagon
d)
decagon
38.
Having four straight sides.
a)
A polygon
b)
A quadrilateral
c)
A 3-D figure
d)
A 2-D figure
39.
A plane figure with four straight straight sides and four angles, especially one with unequal adjacent sides, in contrast to a square.
a)
polygon
b)
square
c)
rectangle
d)
triangle
40.
A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
a)
triangle
b)
rhombus
c)
star
d)
trapezoid
41.
A triangle that has 3 unequal sides.
a)
obtuse triangle
b)
acute triangle
c)
scalene triangle
d)
flat triangle
42.
A plane figure with four equal straight sides and four right angles.
a)
square
b)
triangle
c)
rhombus
d)
parallelogram
43.
A quadrilateral with only one pair of parallel sides.
a)
parallelogram
b)
square
c)
rectangle
d)
trapezoid
44.
A meeting point of two lines that form an angle.
a)
point
b)
side
c)
vertex
d)
edge
45.
An upright line or plane.
a)
vertical
b)
horizontal
46.
The given point from which all points on a circle are the same distance.
a)
center of the circle
b)
outside of the circle
c)
diameter
d)
circumference
47.
Two angles whose degree measures have a sum of 90 degrees.
a)
supplementary angles
b)
complementary angles
48.
Two angles whose degree measures have a sum of 180 degrees.
a)
complementary angles
b)
supplementary angles
49.
Angles whose angle measurements are equal.
a)
congruent angles
b)
acute angles
c)
obtuse angles
d)
straight angles
50.
A tool used to determine the measure of an angle.
a)
ruler
b)
yard stick
c)
protractor
d)
tape measure
51.
An intervening time or space.
a)
interval
b)
turn
c)
scale
d)
point
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