This unit is expiring
The expiry date of this unit is 31/07/2029.


Access to HE 2024
Level 3
Unit No:
Not available
Guided learning hours:
Not available

Qualification Grading Type


Unit Learning Outcomes


Be able to tackle problems involving numbers.

Assessment Criteria

  • 1.1.

    Apply the four number rules to numbers including decimals and fractions within multistage problems.

  • 1.2.

    Use positive and negative numbers in a practical context.

  • 1.3.

    Convert numbers within and across unit systems within multi-stage tasks.

  • 1.4.

    Calculate answers using:

         a) percentages and reverse percentages

         b) ratio, direct and inverse proportion.

         c) given formulae.

         d) perimeters, areas and volumes of complex shapes.

         e) powers and roots.

         f) common units of measurement.


Be able to explain the methods of calculations and processes used.

Assessment Criteria

  • 2.1.

    Summarise the method of calculation and the processes used.

  • 2.2.

    Explain the importance of carrying out processes in a suitable order to a degree of accuracy appropriate to the task.


Know how to use estimation and check results.

Assessment Criteria

  • 3.1.

    Use procedures including estimation to check results.

  • 3.2.

    Evaluate the effects of accumulating errors in calculations.

  • 3.3.

    Explain the upper and lower bounds of accuracy for given results.