Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 693 · 40 questions

Memory tip (Fewer, bigger pieces): Split long numbers into groups of 3 or 4: a 10-digit phone number as 3-3-4; a 12-digit number as 4-4-4. Dates: 2 digits for the day, 2 for the month, 4 for the year: 26011950 → 26/01/1950. Check every digit stays in the same order — chunks group digits, they never change them.

1. 1.🔢 A chunk is easiest to keep when it… (a) changes daily (b) has no pattern (c) means something to you (d) is very long
2. 2.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) splitting into groups (d) writing it twice
3. 3.📅 The digits 27121967 are a date: day, month, year. Which chunking shows the date? (a) 27/1219/67 (b) 2712/19/67 (c) 27/12/1967 (d) 271/219/67
4. 4.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.📅 The digits 06031992 are a date: day, month, year. Which chunking shows the date? (a) 06/0319/92 (b) 06/03/1992 (c) 060/319/92 (d) 0603/19/92
8. 8.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.🔢 You want to remember the number 722069839. Which chunked version keeps every digit in the same order? (a) 722 069 839 (b) 720 698 39 (c) 722 096 839 (d) 722 069 9839
10. 10.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
11. 11.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only pictures (d) only numbers
12. 12.🔢 You want to remember the number 344957715942. Which chunked version keeps every digit in the same order? (a) 3495 7715 942 (b) 3449 5771 5924 (c) 3449 5777 15942 (d) 3449 5771 5942
13. 13.📅 The digits 12111956 are a date: day, month, year. Which chunking shows the date? (a) 121/119/56 (b) 12/11/1956 (c) 1211/19/56 (d) 12/1119/56
14. 14.🔢 You want to remember the number 3415377652. Which chunked version keeps every digit in the same order? (a) 341 577 652 (b) 341 537 7652 (c) 314 537 7652 (d) 344 153 77652
15. 15.📅 The digits 11051964 are a date: day, month, year. Which chunking shows the date? (a) 1105/19/64 (b) 11/05/1964 (c) 110/519/64 (d) 11/0519/64
16. 16.📅 The digits 21071966 are a date: day, month, year. Which chunking shows the date? (a) 2107/19/66 (b) 21/07/1966 (c) 21/0719/66 (d) 210/719/66
17. 17.🔢 You want to remember the number 748508663. Which chunked version keeps every digit in the same order? (a) 748 508 8663 (b) 748 508 663 (c) 748 508 636 (d) 745 086 63
18. 18.🔢 You want to remember the number 4778456818. Which chunked version keeps every digit in the same order? (a) 477 846 818 (b) 477 845 68818 (c) 477 845 6818 (d) 478 745 6818
19. 19.🔢 You want to remember the number 3695826372. Which chunked version keeps every digit in the same order? (a) 369 582 66372 (b) 369 586 2372 (c) 369 582 6372 (d) 369 582 637
20. 20.📅 The digits 12042022 are a date: day, month, year. Which chunking shows the date? (a) 120/420/22 (b) 12/04/2022 (c) 1204/20/22 (d) 12/0420/22
21. 21.🔢 You want to remember the number 701624439619. Which chunked version keeps every digit in the same order? (a) 0716 2443 9619 (b) 7001 6244 39619 (c) 7016 2443 9619 (d) 7016 2443 919
22. 22.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.📅 The digits 21102015 are a date: day, month, year. Which chunking shows the date? (a) 2110/20/15 (b) 21/10/2015 (c) 21/1020/15 (d) 211/020/15
24. 24.📅 The digits 15091969 are a date: day, month, year. Which chunking shows the date? (a) 1509/19/69 (b) 15/09/1969 (c) 15/0919/69 (d) 150/919/69
25. 25.🔢 You want to remember the number 7300682765. Which chunked version keeps every digit in the same order? (a) 730 068 275 (b) 730 068 2765 (c) 773 006 82765 (d) 730 068 2675
26. 26.🔢 You want to remember the number 437481472709. Which chunked version keeps every digit in the same order? (a) 4374 8147 2709 (b) 4374 1847 2709 (c) 4374 8147 709 (d) 4374 8147 27099
27. 27.🔢 You want to remember the number 849991232815. Which chunked version keeps every digit in the same order? (a) 8999 1232 815 (b) 8499 9123 2815 (c) 8499 9123 2851 (d) 8499 9912 32815
28. 28.🔢 You want to remember the number 107934557. Which chunked version keeps every digit in the same order? (a) 107 934 575 (b) 107 934 5557 (c) 107 934 557 (d) 107 934 55
29. 29.🔢 You want to remember the number 508362349. Which chunked version keeps every digit in the same order? (a) 508 836 2349 (b) 583 623 49 (c) 580 362 349 (d) 508 362 349
30. 30.🔢 You want to remember the number 720422872410. Which chunked version keeps every digit in the same order? (a) 7204 2288 72410 (b) 7204 2287 2410 (c) 7202 4287 2410 (d) 7202 2872 410
31. 31.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 127021372. Which chunked version keeps every digit in the same order? (a) 270 213 72 (b) 127 702 1372 (c) 127 021 372 (d) 127 023 172
34. 34.📅 The digits 20061995 are a date: day, month, year. Which chunking shows the date? (a) 200/619/95 (b) 2006/19/95 (c) 20/0619/95 (d) 20/06/1995
35. 35.🔢 You want to remember the number 416138157057. Which chunked version keeps every digit in the same order? (a) 4116 3815 7057 (b) 4161 3857 057 (c) 4161 3815 7057 (d) 4416 1381 57057
36. 36.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 581010277. Which chunked version keeps every digit in the same order? (a) 581 010 277 (b) 581 101 0277 (c) 851 010 277 (d) 581 010 27
39. 39.🔢 You want to remember the number 502532398210. Which chunked version keeps every digit in the same order? (a) 0525 3239 8210 (b) 5025 3398 210 (c) 5025 3239 82100 (d) 5025 3239 8210
40. 40.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?

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