Geometry - Circle Area and Circumference - Practice

40 Topics, 5 Skills

Circles - Find Diameter from Radius

Topic 1

Circumference (with calculator)

Topic 2

Circumference from Radius - to Pi Value

Topic 3

Circumference - Equation to Radius

Topic 4

Multiply by Pi - Approximation from Number

Topic 5

Multiply by Pi - Approximation

Topic 6

Circumference from Diameter

Topic 7

Circumference - Radius to Equation

Topic 8

Circumference from Diameter (with calculator)

Topic 9

Circumference - to Pi Value

Topic 10

Circle from Diameter - To Pi Value

Topic 11

Circle from Radius - To Pi Value

Topic 12

Multiply by Pi - Approximation

Topic 13

Circumference from Diameter

Topic 14

Circumference

Topic 15

Circle - To Pi Value

Topic 16

Circle from Radius

Topic 17

Circle from Diameter (with calculator)

Topic 18

Circle from Diameter

Topic 19

Circle

Topic 20

Parts of a Circle

Topic 21

Circumference - Diameter to Equation

Topic 22

Circumference from Radius (with calculator)

Topic 23

Circumference from Diameter - to Pi Value

Topic 24

Circumference - Equation to Diameter

Topic 25

Circle from Diameter - To Pi Value

Topic 26

Multiply by Pi - Approximation from Number

Topic 27

Multiply by Pi - Approximation

Topic 28

Circumference from Radius

Topic 29

Circumference from Radius

Topic 30

Circle from Radius - To Pi Value

Topic 31

Circle from Radius (with calculator)

Topic 32

Circles - Find Radius from Diameter

Topic 33

Circle from Diameter

Topic 34

Circle

Topic 35

Circumference

Topic 36

Circle - To Pi Value

Topic 37

Circle from Radius

Topic 38

Circles - Find Radius from Diameter

Topic 39

Circle (with calculator)

Topic 40

Circumference from Diameter (Level 2)

Topic 14

This math topic focuses on calculating the circumference of a circle given the diameter, aimed at introductory learning in circle geometry. It presents multiple problems that require using an approximation for π (slightly more than 3) to manually calculate the circumference from provided diameters. The structure indicates different choices for each question, encouraging the understanding of how diameter influences the circle's circumference.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Circumference from Diameter

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Find the circumference without using a calculator. Remember that π is just a bit more than 3.

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