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