Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 925 · 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.📅 The digits 07112009 are a date: day, month, year. Which chunking shows the date? (a) 07/11/2009 (b) 07/1120/09 (c) 0711/20/09 (d) 071/120/09
2. 2.🔢 You want to remember the number 541193032934. Which chunked version keeps every digit in the same order? (a) 4511 9303 2934 (b) 4119 3032 934 (c) 5441 1930 32934 (d) 5411 9303 2934
3. 3.📅 The digits 22052012 are a date: day, month, year. Which chunking shows the date? (a) 2205/20/12 (b) 22/0520/12 (c) 22/05/2012 (d) 220/520/12
4. 4.📅 The digits 10111971 are a date: day, month, year. Which chunking shows the date? (a) 1011/19/71 (b) 10/11/1971 (c) 10/1119/71 (d) 101/119/71
5. 5.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
6. 6.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 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
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 402892992784. Which chunked version keeps every digit in the same order? (a) 4028 8929 92784 (b) 4028 9299 284 (c) 4028 9929 2784 (d) 4028 9299 2784
10. 10.🔢 What is chunking? (a) splitting into groups (b) writing it twice (c) saying it backwards (d) reading very fast
11. 11.🔢 Chunking works for… (a) only numbers (b) nothing at all (c) only pictures (d) numbers and letter lists
12. 12.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.🔢 You want to remember the number 379299211. Which chunked version keeps every digit in the same order? (a) 379 299 2211 (b) 379 299 211 (c) 379 299 21 (d) 379 299 121
14. 14.🔢 You want to remember the number 886028363. Which chunked version keeps every digit in the same order? (a) 886 028 363 (b) 888 602 8363 (c) 886 082 363 (d) 886 028 36
15. 15.🔢 You want to remember the number 742785630003. Which chunked version keeps every digit in the same order? (a) 7427 5863 0003 (b) 7427 8530 003 (c) 7427 8563 0003 (d) 7427 8566 30003
16. 16.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) changes daily (d) is very long
17. 17.📅 The digits 22082013 are a date: day, month, year. Which chunking shows the date? (a) 2208/20/13 (b) 22/08/2013 (c) 220/820/13 (d) 22/0820/13
18. 18.🔢 You want to remember the number 219756069. Which chunked version keeps every digit in the same order? (a) 219 756 096 (b) 219 560 69 (c) 219 756 6069 (d) 219 756 069
19. 19.📅 The digits 12071970 are a date: day, month, year. Which chunking shows the date? (a) 120/719/70 (b) 1207/19/70 (c) 12/07/1970 (d) 12/0719/70
20. 20.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 976033393144. Which chunked version keeps every digit in the same order? (a) 9760 0333 93144 (b) 9763 3393 144 (c) 9706 3339 3144 (d) 9760 3339 3144
22. 22.📅 The digits 12101988 are a date: day, month, year. Which chunking shows the date? (a) 1210/19/88 (b) 12/1019/88 (c) 12/10/1988 (d) 121/019/88
23. 23.📅 The digits 27101996 are a date: day, month, year. Which chunking shows the date? (a) 27/10/1996 (b) 2710/19/96 (c) 271/019/96 (d) 27/1019/96
24. 24.🔢 You want to remember the number 551602999. Which chunked version keeps every digit in the same order? (a) 551 602 999 (b) 551 602 9999 (c) 551 602 99 (d) 556 102 999
25. 25.📅 The digits 19021996 are a date: day, month, year. Which chunking shows the date? (a) 1902/19/96 (b) 19/02/1996 (c) 190/219/96 (d) 19/0219/96
26. 26.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.🔢 You want to remember the number 1795051712. Which chunked version keeps every digit in the same order? (a) 179 550 1712 (b) 179 505 112 (c) 179 950 51712 (d) 179 505 1712
29. 29.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
30. 30.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 824088939710. Which chunked version keeps every digit in the same order? (a) 8240 8893 971 (b) 8240 8893 9170 (c) 8240 8893 9710 (d) 8240 8889 39710
32. 32.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
33. 33.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.🔢 You want to remember the number 4972638183. Which chunked version keeps every digit in the same order? (a) 497 263 883 (b) 497 623 8183 (c) 497 263 8183 (d) 497 263 81183
35. 35.📅 The digits 11091998 are a date: day, month, year. Which chunking shows the date? (a) 1109/19/98 (b) 11/09/1998 (c) 11/0919/98 (d) 110/919/98
36. 36.🔢 You want to remember the number 9797629750. Which chunked version keeps every digit in the same order? (a) 979 729 750 (b) 979 672 9750 (c) 997 976 29750 (d) 979 762 9750
37. 37.🔢 You want to remember the number 2507052739. Which chunked version keeps every digit in the same order? (a) 250 705 2739 (b) 257 005 2739 (c) 250 702 739 (d) 225 070 52739
38. 38.📅 The digits 06032024 are a date: day, month, year. Which chunking shows the date? (a) 060/320/24 (b) 06/03/2024 (c) 06/0320/24 (d) 0603/20/24
39. 39.🔢 You want to remember the number 625589478. Which chunked version keeps every digit in the same order? (a) 652 589 478 (b) 625 589 78 (c) 625 589 478 (d) 662 558 9478
40. 40.🔢 You want to remember the number 906278231885. Which chunked version keeps every digit in the same order? (a) 9067 8231 885 (b) 9066 2782 31885 (c) 9062 7823 1858 (d) 9062 7823 1885

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