Practice Lab · Working memory

Working memory drills

Brief hold-and-compare exercises. Untimed educational practice — not a clinical memory test.

Untimed instructional practice for the Novus Reasoning Challenge. Explanations teach the reasoning process. These items are not unseen scored-form questions and do not produce an IQ score.

1. Study briefly then answer: sequence 3-7-2-9. What was the last number?
2. Study briefly then answer: sequence 4-8-3-8. What was the last number?
3. Study briefly then answer: sequence 5-9-4-7. What was the last number?
4. Study briefly then answer: sequence 6-10-5-9. What was the last number?
5. Study briefly then answer: sequence 7-11-6-8. What was the last number?
6. Study briefly then answer: sequence 8-12-2-7. What was the last number?
7. Study briefly then answer: sequence 9-13-3-9. What was the last number?
8. Study briefly then answer: sequence 10-14-4-8. What was the last number?
9. Study briefly then answer: sequence 11-15-5-7. What was the last number?
10. Study briefly then answer: sequence 12-16-6-9. What was the last number?
11. Study briefly then answer: sequence 13-17-2-8. What was the last number?
12. Study briefly then answer: sequence 14-18-3-7. What was the last number?
13. Study briefly then answer: sequence 15-19-4-9. What was the last number?
14. Study briefly then answer: sequence 16-20-5-8. What was the last number?
15. Study briefly then answer: sequence 17-21-6-7. What was the last number?
16. Study briefly then answer: sequence 18-22-2-9. What was the last number?
17. Study briefly then answer: sequence 19-23-3-8. What was the last number?
18. Study briefly then answer: sequence 20-24-4-7. What was the last number?
19. Study briefly then answer: sequence 21-25-5-9. What was the last number?
20. Study briefly then answer: sequence 22-26-6-8. What was the last number?

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Consent version 2026-07-31.1

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