Radius and Diameter Worksheets

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Amp up your practice sessions with our free worksheets on finding the radius and diameter of a circle. Featured in these worksheets are dimensions of a circle expressed as whole numbers, decimals, and as figures in grids. Based on their skills, children can choose to work on easy or moderate-level exercises.  Equipped with answer key, our printable worksheets to find the radius and diameter of a circle are available in customary and metric units.

We suggest these practice tools for 6th grade, 7th grade, and 8th grade students.

Select the Measurement Units

Finding Radius and Diameter | Whole Numbers

Observe the circle and check which of the two measures is given. If the circle has the radius given, multiply it by two to obtain the diameter. Similarly if the circle shows the diameter, divide it by two to get the radius.

Finding Radius and Diameter - Whole Numbers - Customary

Parts of a Circle

Expand the scope of your study session with this set of worksheets that propels your practice beyond the radius and the diameter, to include other parts of a circle.

Parts of a Circle

Identifying Radius or Diameter - Grid | Level 1

Depicting figures in grids, this set of printable worksheets tasks children with finding the radius or the diameter using the common unit given. These handouts are ideal for 6th grade, 7th grade, and 8th grade children.

Identifying Radius or Diameter - Grid - Level 1 - Customary

Identifying Radius or Diameter - Grid | Level 2

Let your efficiency in identifying the radius and diameter of a circle upgrade to proficiency with these moderately difficult exercises. Instruct 7th grade children to identify the radius or diameter using the given varying units.

Identifying Radius or Diameter - Grid - Level 2 - Customary

Finding Radius and Diameter | Decimals

Excel in calculating the radius and diameter of a circle with this set of practice worksheets presenting decimal dimensions. Compiled here are pdf exercises for grade 6, grade 7, and grade 8 children.

Finding Radius and Diameter - Decimals - Customary