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