Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 519 · 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 12-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
3. 3.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
4. 4.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
5. 5.🔢 You want to remember the number 810921389. Which chunked version keeps every digit in the same order? (a) 180 921 389 (b) 109 213 89 (c) 810 921 389 (d) 810 922 1389
6. 6.📅 The digits 04062009 are a date: day, month, year. Which chunking shows the date? (a) 040/620/09 (b) 04/0620/09 (c) 0406/20/09 (d) 04/06/2009
7. 7.🔢 You want to remember the number 8929220683. Which chunked version keeps every digit in the same order? (a) 892 922 0683 (b) 829 922 0683 (c) 899 220 683 (d) 889 292 20683
8. 8.🔢 You want to remember the number 7783031288. Which chunked version keeps every digit in the same order? (a) 773 031 288 (b) 778 330 31288 (c) 778 303 1288 (d) 778 303 2188
9. 9.🔢 You want to remember the number 602205810551. Which chunked version keeps every digit in the same order? (a) 6022 0581 5051 (b) 6022 0581 0551 (c) 6602 2058 10551 (d) 6022 0810 551
10. 10.🔢 You want to remember the number 6862596147. Which chunked version keeps every digit in the same order? (a) 686 259 6147 (b) 688 625 96147 (c) 682 596 147 (d) 686 259 6417
11. 11.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 19 and 47 (d) 1 and 947
12. 12.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
14. 14.📅 The digits 15051988 are a date: day, month, year. Which chunking shows the date? (a) 15/05/1988 (b) 1505/19/88 (c) 150/519/88 (d) 15/0519/88
15. 15.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) three chunks, not ten (c) it is a smaller number (d) it is printed bigger
16. 16.📅 The digits 19021968 are a date: day, month, year. Which chunking shows the date? (a) 19/02/1968 (b) 190/219/68 (c) 1902/19/68 (d) 19/0219/68
17. 17.🔢 You want to remember the number 661192115971. Which chunked version keeps every digit in the same order? (a) 6611 9211 15971 (b) 6611 9211 5971 (c) 6161 9211 5971 (d) 6619 2115 971
18. 18.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
19. 19.📅 The digits 25112024 are a date: day, month, year. Which chunking shows the date? (a) 25/1120/24 (b) 2511/20/24 (c) 251/120/24 (d) 25/11/2024
20. 20.🔢 You want to remember the number 106345634752. Which chunked version keeps every digit in the same order? (a) 1063 4534 752 (b) 1063 5463 4752 (c) 1066 3456 34752 (d) 1063 4563 4752
21. 21.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
22. 22.🔢 You want to remember the number 348389523177. Which chunked version keeps every digit in the same order? (a) 3483 8952 23177 (b) 3483 8953 177 (c) 3483 8592 3177 (d) 3483 8952 3177
23. 23.🔢 You want to remember the number 6642983517. Which chunked version keeps every digit in the same order? (a) 666 429 83517 (b) 664 289 3517 (c) 664 298 357 (d) 664 298 3517
24. 24.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.📅 The digits 14062022 are a date: day, month, year. Which chunking shows the date? (a) 1406/20/22 (b) 14/06/2022 (c) 14/0620/22 (d) 140/620/22
26. 26.🔢 You want to remember the number 9070122780. Which chunked version keeps every digit in the same order? (a) 907 012 7280 (b) 907 012 2780 (c) 907 012 22780 (d) 907 012 270
27. 27.🔢 You want to remember the number 595531087. Which chunked version keeps every digit in the same order? (a) 955 531 087 (b) 595 531 0887 (c) 595 531 087 (d) 595 531 08
28. 28.🔢 You want to remember the number 797212063. Which chunked version keeps every digit in the same order? (a) 797 212 603 (b) 799 721 2063 (c) 797 212 63 (d) 797 212 063
29. 29.🔢 You want to remember the number 894230992. Which chunked version keeps every digit in the same order? (a) 892 309 92 (b) 894 239 092 (c) 894 233 0992 (d) 894 230 992
30. 30.🔢 You want to remember the number 892264621. Which chunked version keeps every digit in the same order? (a) 892 264 621 (b) 892 624 621 (c) 892 264 6621 (d) 892 264 21
31. 31.📅 The digits 01021986 are a date: day, month, year. Which chunking shows the date? (a) 01/02/1986 (b) 010/219/86 (c) 0102/19/86 (d) 01/0219/86
32. 32.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 A chunk is easiest to keep when it… (a) means something to you (b) changes daily (c) is very long (d) has no pattern
34. 34.🔢 You want to remember the number 933074721. Which chunked version keeps every digit in the same order? (a) 930 374 721 (b) 933 074 71 (c) 933 074 721 (d) 933 307 4721
35. 35.🔢 You want to remember the number 517619492. Which chunked version keeps every digit in the same order? (a) 517 761 9492 (b) 517 619 492 (c) 576 194 92 (d) 571 619 492
36. 36.📅 The digits 16011989 are a date: day, month, year. Which chunking shows the date? (a) 160/119/89 (b) 16/0119/89 (c) 16/01/1989 (d) 1601/19/89
37. 37.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
38. 38.📅 The digits 19092011 are a date: day, month, year. Which chunking shows the date? (a) 1909/20/11 (b) 19/09/2011 (c) 19/0920/11 (d) 190/920/11
39. 39.🔢 You want to remember the number 8471101758. Which chunked version keeps every digit in the same order? (a) 871 101 758 (b) 847 110 17758 (c) 847 110 1758 (d) 874 110 1758
40. 40.🔢 You want to remember the number 131362954289. Which chunked version keeps every digit in the same order? (a) 1313 6259 4289 (b) 1313 6295 4289 (c) 1136 2954 289 (d) 1131 3629 54289

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