D1.5.3 - Consideration of problems where solutions must have integer

Consideration of problems where solutions must have integer values.

Use consideration of problems where solutions must have integer to connect the rule to the data and decision in the question.

This matters because consideration of problems where solutions must have integer determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply consideration of problems where solutions must have integer to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: Consideration of problems where solutions must have integer is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.