Radius Exploration
A worksheet to help first graders understand the concept of radius in circles through drawing and identification.
Includes
3 Short AnswerTextMultiple ChoiceFill in the Blanks
Standards
CCSS.MATH.CONTENT.1.G.A.1
Topics
mathgeometryradiuscirclesgrade 1
8 sections · Free to use · Printable
Radius Exploration
Name:
Date:
Score:
Follow the instructions for each section to learn about the radius of a circle.
1. Draw a circle in the box below. What shape is it?
2. Every circle has a middle point called the center. Draw a dot in the very middle of this circle.
3. The radius is a line from the center of a circle to its edge. Draw a radius on the circle below.
4. Which of these lines is a radius?
a
b
c
d
5. A line from the center of a circle to its edge is called a .
6. Draw three different radii on the circle below. Make sure they all start from the center and go to the edge.