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