Radius, diameter and circumference
5th grade (Year 6 in England) · 16 questions · Common Core: 7.G.B.4 · England: Y6 Geometry
Name
Date
Score/ 16
Question 1
A circle has a diameter of 50 cm. What is its radius?
Answer
Question 2
What is the name for the length that is twice the radius?
- A. radius
- B. diameter
- C. circumference
Question 3
3 identical coins of radius 5 mm are placed in a row, touching. How long is the row?
Answer
Question 4
A circle has a radius of 4 cm. What is its diameter?
Answer
Question 5
What is the name for the length that is twice the radius?
- A. radius
- B. diameter
- C. circumference
Question 6
3 identical coins of radius 4 mm are placed in a row, touching. How long is the row?
Answer
Question 7
A circle has a diameter of 16 cm. What is its radius?
Answer
Question 8
What is the name for the length that is half the diameter?
- A. radius
- B. diameter
- C. circumference
Question 9
3 identical coins of radius 4 mm are placed in a row, touching. How long is the row?
Answer
Question 10
A circle has a radius of 18 cm. What is its diameter?
Answer
Question 11
What is the name for the distance all the way round the circle?
- A. radius
- B. diameter
- C. circumference
Question 12
4 identical coins of radius 4 mm are placed in a row, touching. How long is the row?
Answer
Question 13
A circle has a diameter of 48 cm. What is its radius?
Answer
Question 14
What is the name for the distance from the centre to the edge?
- A. radius
- B. diameter
- C. circumference
Question 15
3 identical coins of radius 3 mm are placed in a row, touching. How long is the row?
Answer
Question 16
A circle has a diameter of 46 cm. What is its radius?
Answer
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