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Fractions, decimals and percentages common mistakes
Study Fractions, decimals and percentages with curriculum-aligned Common Mistakes resources, practice links, and exam-focused support.
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common mistakes
Resource type
Topic
Fractions, decimals and percentages
Common mistakes
Decimal and fraction equivalence common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Convert recurring decimals to their corresponding fractions and convert fractions to recurring decimals..
Fix itShow the method first, then give the final answer in the required form. Apply this directly to Decimal and fraction equivalence.
Decimal and fraction equivalence common mistake 2
Using the topic word correctly but not linking it to the numbers, diagram, graph, or expression in the question. This can weaken answers for: [Higher only] Convert recurring decimals to their corresponding fractions and convert fractions to recurring decimals..
Fix itName the relevant value or feature from the question and explain how it is used. Apply this directly to Decimal and fraction equivalence.
Fractions in ratio problems common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Identify and work with fractions in ratio problems..
Fix itShow the method first, then give the final answer in the required form. Apply this directly to Fractions in ratio problems.
Fractions in ratio problems common mistake 2
Using the topic word correctly but not linking it to the numbers, diagram, graph, or expression in the question. This can weaken answers for: [Foundation and Higher] Identify and work with fractions in ratio problems..
Fix itName the relevant value or feature from the question and explain how it is used. Apply this directly to Fractions in ratio problems.
Fractions and percentages as operators common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Interpret fractions and percentages as operators, including percentage multipliers..
Fix itShow the method first, then give the final answer in the required form. Apply this directly to Fractions and percentages as operators.
Fractions and percentages as operators common mistake 2
Using the topic word correctly but not linking it to the numbers, diagram, graph, or expression in the question. This can weaken answers for: [Foundation and Higher] Interpret fractions and percentages as operators, including percentage multipliers..
Fix itName the relevant value or feature from the question and explain how it is used. Apply this directly to Fractions and percentages as operators.
Decimal and fraction equivalence common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Work interchangeably with terminating decimals and their corresponding fractions..
Fix itShow the method first, then give the final answer in the required form. Apply this directly to Decimal and fraction equivalence.
Decimal and fraction equivalence common mistake 2
Using the topic word correctly but not linking it to the numbers, diagram, graph, or expression in the question. This can weaken answers for: [Foundation and Higher] Work interchangeably with terminating decimals and their corresponding fractions..
Fix itName the relevant value or feature from the question and explain how it is used. Apply this directly to Decimal and fraction equivalence.
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