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