Fourth Grade Math Vocabulary Part 1
  • 1. Half of the diameter is?
A) the circumference
B) the radius
C) a regular polygon
D) a concentric circle
  • 2. An octagon is an example of a?
A) concentric circle
B) concave compass
C) convex segment
D) polygon
  • 3. A ray is?
A) a line having one endpoint.
B) the point at which two lines meet.
C) a line having a beginning and end.
D) a tool for drawing circles.
  • 4. Polygons having all angles pointed outward would be considered?
A) circumferential
B) concave
C) radial
D) convex
  • 5. Two rays meet together. They form a?
A) diameter
B) vertex
C) compass
D) regular polygon
  • 6. The equator gives us an example of a/an?
A) endpoint
B) radius
C) circumference
D) line segment
  • 7. If you wanted to draw a circle, you would use which tool?
A) a radial iron
B) a circumference
C) a compass
D) a polygon
  • 8. What is Mr. Littlefield's favorite drink?
A) Mt. Dew
B) Kool-Aid
C) Coke
D) Chocolate Milk
  • 9. What are you if you have two endpoints?
A) a vertex
B) a line segment
C) a ray
D) concave
  • 10. If circles share the same center, they are considered?
A) concentric circles
B) circumferential
C) regular polygons
D) radial
  • 11. Define concave
A) a polygon whose sides and angles are equal in measure
B) polygons having all angles pointed outward
C) a line segment from the center of the circle to any point on its circumference
D) polygons having two or more angles pushed inward
  • 12. This is a line segment that passes through the center of a circle with endpoints on its circumference.
A) radius
B) circumference
C) vertices
D) diameter
  • 13. All of my sides and angles are equal in measure. I am a?
A) concentric circle
B) regular polygon
C) falsified polygon
D) line segment
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