Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 722 · 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.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.📅 The digits 10102013 are a date: day, month, year. Which chunking shows the date? (a) 101/020/13 (b) 1010/20/13 (c) 10/10/2013 (d) 10/1020/13
4. 4.🔢 You want to remember the number 4050599730. Which chunked version keeps every digit in the same order? (a) 440 505 99730 (b) 405 599 730 (c) 405 059 9730 (d) 405 059 9370
5. 5.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) numbers and letter lists (d) only numbers
7. 7.📅 The digits 04061988 are a date: day, month, year. Which chunking shows the date? (a) 04/0619/88 (b) 040/619/88 (c) 04/06/1988 (d) 0406/19/88
8. 8.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
10. 10.🔢 You want to remember the number 9875289725. Which chunked version keeps every digit in the same order? (a) 987 528 975 (b) 987 528 9752 (c) 987 528 99725 (d) 987 528 9725
11. 11.📅 The digits 24041973 are a date: day, month, year. Which chunking shows the date? (a) 24/04/1973 (b) 24/0419/73 (c) 240/419/73 (d) 2404/19/73
12. 12.🔢 You want to remember the number 8198414235. Which chunked version keeps every digit in the same order? (a) 819 841 44235 (b) 819 841 423 (c) 819 841 4235 (d) 819 814 4235
13. 13.🔢 You want to remember the number 5600065700. Which chunked version keeps every digit in the same order? (a) 560 005 6700 (b) 560 006 570 (c) 560 000 65700 (d) 560 006 5700
14. 14.🔢 You want to remember the number 6003449981. Which chunked version keeps every digit in the same order? (a) 600 349 4981 (b) 600 344 981 (c) 660 034 49981 (d) 600 344 9981
15. 15.📅 The digits 02071988 are a date: day, month, year. Which chunking shows the date? (a) 02/07/1988 (b) 0207/19/88 (c) 02/0719/88 (d) 020/719/88
16. 16.📅 The digits 09071996 are a date: day, month, year. Which chunking shows the date? (a) 0907/19/96 (b) 090/719/96 (c) 09/0719/96 (d) 09/07/1996
17. 17.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
18. 18.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 3663268998. Which chunked version keeps every digit in the same order? (a) 366 326 89998 (b) 366 326 8998 (c) 366 328 998 (d) 636 326 8998
21. 21.🔢 You want to remember the number 1755301202. Which chunked version keeps every digit in the same order? (a) 175 530 120 (b) 715 530 1202 (c) 175 530 11202 (d) 175 530 1202
22. 22.🔢 You want to remember the number 855427275. Which chunked version keeps every digit in the same order? (a) 855 422 7275 (b) 854 527 275 (c) 855 427 27 (d) 855 427 275
23. 23.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 587200042. Which chunked version keeps every digit in the same order? (a) 587 200 42 (b) 582 700 042 (c) 558 720 0042 (d) 587 200 042
25. 25.📅 The digits 06111969 are a date: day, month, year. Which chunking shows the date? (a) 061/119/69 (b) 0611/19/69 (c) 06/11/1969 (d) 06/1119/69
26. 26.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
27. 27.📅 The digits 06092011 are a date: day, month, year. Which chunking shows the date? (a) 060/920/11 (b) 06/09/2011 (c) 06/0920/11 (d) 0609/20/11
28. 28.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 102389852. Which chunked version keeps every digit in the same order? (a) 102 388 952 (b) 102 389 9852 (c) 102 389 852 (d) 023 898 52
30. 30.🔢 You want to remember the number 909988357900. Which chunked version keeps every digit in the same order? (a) 9099 8883 57900 (b) 9098 9835 7900 (c) 9099 8835 7900 (d) 9098 8357 900
31. 31.🔢 You want to remember the number 652991212. Which chunked version keeps every digit in the same order? (a) 655 299 1212 (b) 652 991 21 (c) 652 991 212 (d) 659 291 212
32. 32.📅 The digits 02091993 are a date: day, month, year. Which chunking shows the date? (a) 02/0919/93 (b) 020/919/93 (c) 02/09/1993 (d) 0209/19/93
33. 33.📅 The digits 03121989 are a date: day, month, year. Which chunking shows the date? (a) 0312/19/89 (b) 031/219/89 (c) 03/1219/89 (d) 03/12/1989
34. 34.🔢 You want to remember the number 528089471595. Which chunked version keeps every digit in the same order? (a) 5280 8947 1955 (b) 5280 8947 1595 (c) 5280 8471 595 (d) 5288 0894 71595
35. 35.🔢 You want to remember the number 7729087227. Which chunked version keeps every digit in the same order? (a) 772 908 72227 (b) 772 908 227 (c) 772 907 8227 (d) 772 908 7227
36. 36.🔢 You want to remember the number 605171768. Which chunked version keeps every digit in the same order? (a) 605 171 768 (b) 605 171 76 (c) 601 571 768 (d) 605 171 7668
37. 37.🔢 You want to remember the number 452210269804. Which chunked version keeps every digit in the same order? (a) 4522 1206 9804 (b) 4522 1026 98804 (c) 4521 0269 804 (d) 4522 1026 9804
38. 38.🔢 You want to remember the number 3778699176. Which chunked version keeps every digit in the same order? (a) 737 869 9176 (b) 377 869 976 (c) 377 869 9176 (d) 377 869 91776
39. 39.🔢 You want to remember the number 4698362451. Which chunked version keeps every digit in the same order? (a) 468 362 451 (b) 496 836 2451 (c) 469 836 62451 (d) 469 836 2451
40. 40.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 1 and 947 (d) 194 and 7

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