Primary 6 Pie Charts Practice
Primary 6 · 20 practice questions with instant marking and worked solutions.
Pie Charts is an important part of the Primary 6 mathematics curriculum. This topic develops reading scales, comparing data and choosing representations. Begin by identifying what every number, symbol, diagram and unit represents. Translate the information into a mathematical relationship before calculating. Each line of working should have a purpose. Finally use estimation, substitution, an inverse operation, or a second representation to check the result. This habit separates a misunderstanding from a copying error and makes correction more useful.
A reliable approach to Pie Charts has four stages. First, mark the given information and the quantity required. Second, choose an appropriate representation, property or formula. Third, carry out the operations in a clear order while retaining signs and units. Fourth, return to the original context and decide whether the result is possible. For a graph or table, read the title, scale and labels before using a value. For algebra, inspect brackets, negative signs and the order of operations before simplifying.
The twenty original questions in this topic use a shared mathematical specification in Chinese and English. Difficulty rises from level 1 to level 5. Early questions establish the language and direct skills of Pie Charts; middle questions add two-step reasoning, conversions and common variations; later questions connect ideas and require a deliberate check. In multiple-choice work, calculate before looking at the choices. In fill-in and short-answer work, retain decisive steps. For true-or-false statements, support the decision with a calculation or counterexample.
Effective revision is more than recording a score. After completing the Pie Charts set, group errors by concept tags and decide whether each problem arose from interpretation, forming an expression, calculation, or presenting the answer. Retry the item on a later day without opening the solution, then test the same method with a different value. If the same tag appears repeatedly, return to the explanation and rebuild the concept. If signs or units are the issue, use a fixed pre-submission checklist.
Pie Charts should also connect with the rest of mathematics. Number and algebra supply calculation tools; measurement and geometry give spatial meaning; data handling asks what a result means. A learner who can explain aloud why every step is valid has moved beyond imitation. Estimate a reasonable range, complete an exact solution, and compare the two. Agreement between context, estimate and exact answer is strong evidence that the solution is sound.
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0 / 20 answered
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1 BasicA category occupies 20% of a pie chart whose total is 80. Find its frequency. Choose the correct answer.
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2 BasicA category occupies 25% of a pie chart whose total is 80. Find its frequency. Give the numerical value only.
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3 BasicA category occupies 50% of a pie chart whose total is 80. Find its frequency. Show the essential working and give the numerical value.
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4 BasicIn Pie Charts, the value of $80\times 10\%$ is 9. Is this statement true?
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5 StandardA category occupies 20% of a pie chart whose total is 120. Find its frequency. Choose the correct answer.
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6 StandardA category occupies 25% of a pie chart whose total is 120. Find its frequency. Give the numerical value only.
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7 StandardA category occupies 50% of a pie chart whose total is 120. Find its frequency. Show the essential working and give the numerical value.
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8 StandardIn Pie Charts, the value of $120\times 10\%$ is 12. Is this statement true?
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9 AdvancedA category occupies 20% of a pie chart whose total is 160. Find its frequency. Choose the correct answer.
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10 AdvancedA category occupies 25% of a pie chart whose total is 160. Find its frequency. Give the numerical value only.
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11 AdvancedA category occupies 50% of a pie chart whose total is 160. Find its frequency. Show the essential working and give the numerical value.
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12 AdvancedIn Pie Charts, the value of $160\times 10\%$ is 17. Is this statement true?
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13 ChallengingA category occupies 20% of a pie chart whose total is 200. Find its frequency. Choose the correct answer.
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14 ChallengingA category occupies 25% of a pie chart whose total is 200. Find its frequency. Give the numerical value only.
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15 ChallengingA category occupies 50% of a pie chart whose total is 200. Find its frequency. Show the essential working and give the numerical value.
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16 ChallengingIn Pie Charts, the value of $200\times 10\%$ is 20. Is this statement true?
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17 EliteA category occupies 20% of a pie chart whose total is 240. Find its frequency. Choose the correct answer.
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18 EliteA category occupies 25% of a pie chart whose total is 240. Find its frequency. Give the numerical value only.
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19 EliteA category occupies 50% of a pie chart whose total is 240. Find its frequency. Show the essential working and give the numerical value.
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20 EliteIn Pie Charts, the value of $240\times 10\%$ is 25. Is this statement true?
The report lists what you got wrong and why. Only you can see it.
Common mistakes
Common mistakes in Pie Charts
This topic needs particular care with reading scales, comparing data and choosing representations. The first mistake is applying a remembered rule before reading all conditions. The second is compressing working so much that a sign, bracket, decimal point or unit disappears. The third is accepting an impossible answer without checking: for example, a probability above one, a negative physical length, an angle outside the geometric constraints, or a result far from the estimate. Separate the conditions, model, calculation and check, and finish by stating what the answer represents.
Keep missing the same type?
Repeating the same mistake usually means an earlier concept never landed. We find that step in the trial lesson.