Mathematics
Grade 4
45 min
Calculate radius, diameter, and circumference (Advanced)
Tutorial Preview
1
Find the diameter when the radius is 4.
2
Find the radius when the diameter is 10.
3
Find the circumference when the diameter is 10. (Use 3.14 for pi)
Sample Practice Questions
Easy
A circle has a radius of 3. What is the diameter?
0.3
1.1.5
2.6
3.9
Easy
A circle has a diameter of 8. What is the radius?
0.4
1.8
2.16
3.2
Easy
A plate has a diameter of 10. What is its circumference? (Use 3.14 for pi)
0.13.14
1.31.4
2.10
3.5
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free