Printable worksheet ยท 4 of 4

Check every route - Paper 4

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

Read before answering

Database fault: green square and green triangle both answer yes to 'Is it green?' and reach one endpoint. Suggested extra question: 'Does it have three straight sides?'. Test each item from the start. This is an invented paper database; do not use personal data.

Worksheet preview

This exercise is included in the paid course. Full-course fee: GBP 200.00 once. Register and enrol to complete all course exercises and download the course PDFs. Access begins after payment is confirmed.

Register and enrol

Already registered? Sign in