Primary 6 Math: Circles Practice
Real Primary 6 Math questions on Circles, pulled directly from the Olibits question bank — the same questions a child would actually see, not separately written for this page.
MOE strand: Measurement and Geometry
Curriculum alignment
Mathematics Syllabus, Primary One to Six (MOE, 2021 syllabus)
Taught across P1–P6.
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Real Circles practice questions
If the radius of a circle is r, which expression gives its diameter?
r²
r + 2
2r ✓
r/2
The diameter is always twice the radius, so the expression is 2r.
On a compass drawing, Aiden draws a straight line across a circle that passes through the centre. What do we call this line?
Radius
Diameter ✓
Circumference
Chord
A straight line across a circle through its centre is called the diameter.
Which has a greater area: a circle of radius 7 cm, or a square of side 12 cm?
Cannot be determined
They are equal
The square
The circle ✓
Circle area ≈ 22/7 × 7 × 7 = 154 cm². Square area = 12 × 12 = 144 cm². The circle has the greater area.
A gardener walks all the way around the boundary of a circular flower bed. What do we call the distance he walks?
Circumference ✓
Area
Diameter
Radius
The distance around the boundary of a circle is called its circumference.