Geometry - Circle Circumference - Intro

50 Topics, 6 Skills

Circles - Find Diameter from Radius

Topic 1

Circumference - to Pi Value

Topic 2

Circumference from Diameter - to Pi Value

Topic 3

Circumference from Diameter - to Pi Value

Topic 4

Multiply by Pi - Approximation from Number

Topic 5

Multiply by Pi - Approximation

Topic 6

Circumference from Diameter (with calculator)

Topic 7

Circumference from Radius (with hint and calculator)

Topic 8

Circumference from Radius - to Pi Value

Topic 9

Circumference from Radius - to Pi Value

Topic 10

Circumference - to Pi Value

Topic 11

Circumference - Radius to Equation

Topic 12

Multiply by Pi - Approximation from Number

Topic 13

Multiply by Pi - Approximation

Topic 14

Circumference from Diameter (with hint and calculator)

Topic 15

Circumference from Radius (with hint and calculator)

Topic 16

Circumference from Radius (with calculator)

Topic 17

Circumference (with calculator)

Topic 18

Multiply by Pi - Approximation

Topic 19

Circumference from Diameter (with hint and calculator)

Topic 20

Circumference from Diameter (with calculator)

Topic 21

Circumference from Radius (with calculator)

Topic 22

Circumference (with hint and calculator)

Topic 23

Circumference (with hint and calculator)

Topic 24

Circumference (with calculator)

Topic 25

Pi - Number to Circle Ratio

Topic 26

Pi - Greek Letter to Number

Topic 27

Pi - Circle Ratio to Number

Topic 28

Parts of a Circle

Topic 29

Circles - Find Radius from Diameter

Topic 30

Circumference - Radius and Pi Definition to Equation (Symbols)

Topic 31

Pi - Definition to Name - First Time

Topic 32

Pi - Greek Letter to Circle Ratio

Topic 33

Circles - Find Diameter from Radius

Topic 34

Circumference - Diameter and Pi Definition to Equation (Decimals)

Topic 35

Circumference - Radius and Pi Definition to Equation (Decimals)

Topic 36

Circumference - Diameter and Pi Definition to Equation (Symbols)

Topic 37

Circumference - Diameter to Equation

Topic 38

Circumference - Equation to Diameter

Topic 39

Circumference - Equation to Radius

Topic 40

Multiply by Pi - Approximation from Number

Topic 41

Circumference from Diameter

Topic 42

Circumference from Diameter

Topic 43

Circumference from Radius

Topic 44

Circumference from Radius

Topic 45

Circumference

Topic 46

Circumference

Topic 47

Circles - Rule to Find Diameter from Radius - Simple

Topic 48

Circles - Rule to Find Radius from Diameter - Simple

Topic 49

Parts of a Circle - True/False

Topic 50

Circumference - Diameter and Pi Definition to Equation (Decimals) (Level 1)

Topic 35

This math topic focuses on calculating the circumference of a circle using the formula \( C = \pi \times d \), where \( C \) represents the circumference and \( d \) the diameter of the circle. Students practice solving problems with various diameters, implementing decimals by using \( \pi \approx 3.14 \). The problems provided challenge students to correctly apply this formula, giving them multiple choices for each question that include correct calculations, incorrect formulas, and misunderstandings of the relationship between diameter, radius, and circumference. This serves as an introductory exposure to circle geometry and decimal multiplication skills.

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

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Circumference - Diameter and Pi Definition to Equation (Decimals)

Complete this topic with 80% correct, working as fast as you can! Results are immediate.

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Given this information, what is the circumference of this circle

C=πddiameter=24C = \pi \cdot d\\\\diameter = 24