NumihanaA pie chart sector measures 60°. There are 72 observations in total. How many observations belong to this sector?
Answer: ________________
LEARN, PRINT & PRACTISE
Interpret pie-chart sectors.
Interpret pie-chart sectors
Numihana · England Year 6
Interpret pie-chart sectors
Practice sheet
Name: ______________
Date: ______________
Interpret pie-chart sectors
A pie chart sector measures 330°. There are 84 observations in total. How many observations belong to this sector?
Answer: ________________
A pie chart sector measures 30°. There are 108 observations in total. How many observations belong to this sector?
Answer: ________________
A pie chart sector measures 210°. There are 12 observations in total. How many observations belong to this sector?
Answer: ________________
A pie chart sector measures 270°. There are 36 observations in total. How many observations belong to this sector?
Answer: ________________
A pie chart sector measures 330°. There are 24 observations in total. How many observations belong to this sector?
Answer: ________________
Numihana · England Year 6
Interpret pie-chart sectors
Answer key
Name: ______________
Date: ______________
Interpret pie-chart sectors
A pie chart sector measures 60°. There are 72 observations in total. How many observations belong to this sector?
Answer: 12
A pie chart sector measures 330°. There are 84 observations in total. How many observations belong to this sector?
Answer: 77
A pie chart sector measures 30°. There are 108 observations in total. How many observations belong to this sector?
Answer: 9
A pie chart sector measures 210°. There are 12 observations in total. How many observations belong to this sector?
Answer: 7
A pie chart sector measures 270°. There are 36 observations in total. How many observations belong to this sector?
Answer: 27
A pie chart sector measures 330°. There are 24 observations in total. How many observations belong to this sector?
Answer: 22
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The skill behind this activity
Interpret pie-chart sectors
Department for Education: mathematics programmes of study ↗
Year 6 → Statistics · Selected statutory skill. Pack 2.2.0 · source checked 2026-10-12.
For teachers and parents
A whole pie chart represents 360 degrees. Divide the sector angle by 360 to find its fraction of the total, then multiply by the stated number of observations.
A common slip
An angle represents a proportion, not necessarily that many observations. Always use the whole data total.
Worked example
A pie chart sector measures 150°. There are 24 observations in total. How many observations belong to this sector?
Answer: 10
A whole pie chart represents 360 degrees. Divide the sector angle by 360 to find its fraction of the total, then multiply by the stated number of observations.