Problem-solving skills

These lower primary tasks could all be tackled using a trial and improvement approach.

These upper primary tasks could all be tackled using a trial and improvement approach.

The lower primary tasks in this collection could each be solved by working backwards.

The upper primary tasks in this collection could each be solved by working backwards.

These lower primary tasks all specifically draw on the use of visualising.

These upper primary tasks all specifically draw on the use of visualising.