'Heuristics' refers to strategies that we can adopt

to solve unfamiliar problems.

The following are some heuristics you may need

to use to solve non-routine problems:

**Guess-and-check**

-> Useful for solving simple problems and together with as systematic listings, this

strategy helps to narrow down to the correct guess in the shortest time possible.

**Make a list**

-> Commonly used with 'Look for patterns' strategy as it accounts for all possibilities

systematically. It organises, presents or generates information in a systematic manner.

**Look for patterns**

-> As it involves active search from a sequence of figures or numbers, information can be expressed/viewed in an organised manner.

**Draw a model**

-> Suits pupils who need to see to understand and it translates words or information into pictorial representations.

**Work backwards**

-> Useful when the final result has already been given.

**Simplify the problem**

-> Separates the problem into sub-problems to be solved individually or in sequence.

**Before-after concept**

-> Compare information to find the unknown as it lists information given before and after the action.

**Model for Problem Solving**

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