Topic module

Relevant Selection

Identify and use only the information necessary to solve a problem that includes redundant or distracting material.

Long-form learning
Concept to Risk to Memory to Check-up

How to prepare for the TARA

Learn the official question types, practise five-option reasoning without a calculator, and rehearse one 40-minute writing process that explains, counters and judges a proposition.

Core concepts

Concept 1

A real-world problem may contain more information than the solution requires.

Exam cue: State the target quantity or decision in your own words.

Concept 2

Relevance depends on the exact target, constraints and time period.

Exam cue: Mark each datum as required, possibly useful or irrelevant.

Concept 3

Organising the required data before calculation reduces avoidable work.

Exam cue: Check whether a constraint changes which values must be combined.

Risk pitfalls and guardrails

Using every number simply because it appears.

Guardrail: Do not import subject detail the task does not require or confuse a plausible result with one established by the supplied reasoning.

Discarding a non-numerical rule that controls the calculation.

Guardrail: Do not import subject detail the task does not require or confuse a plausible result with one established by the supplied reasoning.

Solving a nearby question rather than the stated target.

Guardrail: Do not import subject detail the task does not require or confuse a plausible result with one established by the supplied reasoning.

Memory anchors

Target First

Define what must be found before selecting data.

Need, Maybe, Ignore

Classify each piece of information by its role.

Constraint Counts

Capacity, timing and ordering rules can be as important as numbers.

No Number Collecting

More data does not necessarily produce a better solution.

Minimal Sufficient Set

Use the smallest set of information that fully determines the answer.

Target Recheck

Confirm the result answers the quantity or choice requested.

Checkpoint rule

Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.

Knowledge Check (after reading)

Short check-up to confirm understanding of this module.

Check-up Questions

1-2 question checkpoint

A van carries at most 900 kg. It already holds crates weighing 240 kg and 315 kg. The driver weighs 70 kg but does not count toward cargo capacity. What additional cargo weight can be loaded?

A hall has 18 rows of 24 seats. Six seats are reserved for staff, who also receive 12 meal vouchers. How many seats remain for ticket holders?

Answer all questions to submit.

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