This math topic focuses on finding the circumference of a circle given its radius, using a calculator. It's part of a beginner-level introduction to circle circumferences under the broader framework of geometry. Problems feature illustrations of various circles with their radii marked. Students must calculate the circumference and select the correct answer from multiple options provided. This skill is essential for understanding circle properties and measurements in geometry.
Work on practice problems directly here, or download the printable pdf worksheet to practice offline.
Practice:
Circumference from Radius (with calculator)
Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.
Find the circumference of the circle
Circumference from Radius (with calculator) Worksheet
| Math worksheet on 'Circumference from Radius (with calculator) (Level 1)'. Part of a broader unit on 'Geometry - Circle Circumference - Intro' Learn online: app.mobius.academy/math/units/geometry_circles_perimeter_intro/ |
1
| Find the circumference of the circle |
a
| 18 |
b
| 25.13 |
c
| 18.85 |
d
| 28.27 |
e
| 9.42 |
f
| 6 |
2
| Find the circumference of the circle |
a
| 2 |
b
| 31.42 |
c
| 25.13 |
d
| 12.57 |
e
| 6.28 |
f
| 3.14 |
3
| Find the circumference of the circle |
a
| 10 |
b
| 50 |
c
| 31.42 |
d
| 50.27 |
e
| 78.54 |
f
| 15.71 |
4
| Find the circumference of the circle |
a
| 12.57 |
b
| 25.13 |
c
| 32 |
d
| 8 |
e
| 50.27 |
f
| 43.98 |
5
| Find the circumference of the circle |
a
| 31.42 |
b
| 32 |
c
| 12.57 |
d
| 25.13 |
e
| 50.27 |
f
| 8 |
6
| Find the circumference of the circle |
a
| 6.28 |
b
| 8 |
c
| 18.85 |
d
| 37.7 |
e
| 4 |
f
| 12.57 |
7
| Find the circumference of the circle |
a
| 43.98 |
b
| 31.42 |
c
| 78.54 |
d
| 10 |
e
| 50.27 |
f
| 15.71 |