Parts of a circle

Overview

Using this Resource

Connecting to the Curriculum

Marking Student Responses

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Further Resources

This task is about naming parts of a circle.

Choose a word to complete each sentence about the parts of a circle.

circumference - segment - arc - radius - diameter - sector

Question 1Change answer

a) Choose a word to complete each sentence about the parts of a circle.

i) circumferencesegmentarcradiusdiametersector is the name for the line around the outside of the No Smoking sign.

ii) circumferencesegmentarcradiusdiametersector is the name for the line across the sign.

b) Choose a word to complete each sentence about the parts of a circle.

circumferencesegmentarcradiusdiametersectoris the name for the line drawn to show the "wheel" of the wheelchair.

c) Choose a word to complete each sentence about the parts of a circle.

circumferencesegmentarcradiusdiametersector is the name given to one of the lines drawn from the centre of the lemon to the outside of the lemon.

Task administration:

This task can be completed with pencil and paper or online with auto-marking.

Level:

Curriculum info:

Keywords:

Description of task:

Students identify the parts of a circle that lines on familiar signs and objects make.

Learning Progression Frameworks

This resource can provide evidence of learning associated with

within the Mathematics Learning Progressions Frameworks.

Answers/responses:

Diagnostic and formative information:

	Common error	Likely reason
b) c)	Radius Segment	confuses radius and diameter. confuses radius and segment.