CSAT (Aptitude)·Prelims Strategy

Arithmetic Operations — Prelims Strategy

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Version 1Updated 6 Mar 2026

Prelims Strategy

For CSAT Prelims, the strategy for arithmetic operations must be two-pronged: accuracy and speed. First, ensure conceptual clarity on all fundamental operations, BODMAS, divisibility rules, LCM, HCF, fractions, decimals, percentages, and roots.

Vyyuha's analysis reveals that most students struggle with the consistent application of BODMAS and quick mental calculations. Second, relentlessly practice calculator-free methods and shortcuts. This includes memorizing common fraction-to-percentage conversions, quick multiplication/division techniques, and estimation strategies.

Time yourself during practice to simulate exam conditions. Focus on identifying the 'type' of arithmetic problem (e.g., direct calculation, word problem requiring LCM, percentage change) and immediately recall the most efficient method.

Pay close attention to question wording to avoid misinterpreting operations. Regularly review your calculation errors to pinpoint weaknesses – is it a BODMAS error, a decimal placement issue, or a simple addition mistake?

This targeted error analysis is crucial for improvement. The Vyyuha approach emphasizes that speed comes from accuracy and conceptual clarity, not just rushing through problems. Prioritize accuracy first, then build speed through consistent, timed practice.

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