Totalling and counting are standard methods of solution. Numbers are input. The number 9999.9 is the last number to be input and is ignored.

Mark scheme

Marking points from the official mark scheme (May/June 2024). The mark or mark type is shown in brackets.

1. One mark for:
2. MP1 adding current value to total
3. One mark for each point max three.
4. MP2 input more than one number
5. MP3 setting total to zero before loop
6. MP4 correct use of loop including terminal condition
7. MP5 output total after loop
8. Example:
9. Total ← 0
10. INPUT Value
11. WHILE Value <> 9999.9
12. Total ← Total + Value
13. INPUT Value
14. ENDWHILE
15. OUTPUT Total
16. Value ← 0
17. Total ← 0
18. REPEAT
19. Total ← Total + Value
20. INPUT Value
21. UNTIL Value = 9999.9
22. OUTPUT Total
23. One mark for each point
24. MP1 adding one to counter
25. MP2 correct use of selection, if current value > 100 THEN ... ENDIF
26. One mark for each point, max two
27. MP3 input more than one number
28. MP4 setting counter to zero before loop
29. MP5 correct use of loop including terminal condition
30. MP6 output value of counter after loop
31. Example:
32. Counter ← 0
33. INPUT Value
34. WHILE Value <> 9999.9
35. IF Value > 100
36. THEN
37. Counter ← Counter + 1
38. ENDIF
39. INPUT Value
40. ENDWHILE
41. OUTPUT Counter