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CHAPTER TEST IN MATHEMATICS
(Chapter: Circle)
Name: ………………………………….... Date: ……………………………
Class: Primary 6
Parent’s Signature: ……………..
Answer the following questions. In most questions, show your working clearly in the
spaces provided. Write the correct answers in the spaces provided. The number of
mark(s) is indicated in the bracket at the end of the question or part-question.
1. Points A, B, C and D are four points on the circle with center O.
Here are the words you can use to fill in the blanks.
diameter
circumference
radius
(a) The straight line AC is the ......................................... of the circle.
[1m]
(b) The straight line OD is the ......................................... of the circle.
[1m]
1
2. Match the diagram to its correct label.
Area
Diameter
Radius
Circumference
[2m]
3. a. Draw a radius on the circle. Label the center of the circle as B.
[1m]
b. Using your ruler, find the diameter of the circle.
................................ cm [1m]
4. A hula hoop has a diameter of 120 cm.
What is the radius of the hula hoop?
................................ cm [1m]
2
5. Steven measures the radius, circumference and diameter of a circle.
Draw a ring around the longest.
radius
circumference
diameter
[1m]
6. A student wants to get the area of the figure below.
Draw a ring around the formula that the student needs to use.
4
2
4
[1m]
7. A tin can has a circular lid with a radius of 12 cm. Find the diameter.
................................ cm
[1m]
8. Shown is a circle with radius of 5 cm.
Work out the area of the circle. Use (π = 3.14)
Give your answer to 1 decimal place.
................................ cm2
3
[2m]
9. Shown below is a semicircle with radius 6 cm.
Work out the perimeter of the semicircle. Use (π = 3.14)
Give your answer to 1 decimal place.
................................ cm [2m]
10. A playground is made up of a rectangle and a two semicircles.
Find the area and perimeter of the playground.
Give your answer to 1 decimal place.
4
Area: ................................ m2
[2m]
Perimeter: ........................ m
[1m]
11. The figure below is made up of a semicircle, a triangle and a quadrant.
Find the area of the shape. Give your answer to 1 decimal place.
Area: ................................ cm2
5
[2m]
12. Kristy is designing a logo for her company.
She has drawn a rectangle ABCD, where AD = 8 cm and CD = 12 cm.
AD is the diameter of a semicircle.
ADE is a quarter of a circle.
Find the perimeter of the logo that is shaded.
Perimeter: ................................. cm [1m]
--End of the Test-6