Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 102 · 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 8-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.📅 The digits 28042010 are a date: day, month, year. Which chunking shows the date? (a) 2804/20/10 (b) 280/420/10 (c) 28/0420/10 (d) 28/04/2010
3. 3.🔢 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
4. 4.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
5. 5.📅 The digits 06032023 are a date: day, month, year. Which chunking shows the date? (a) 060/320/23 (b) 0603/20/23 (c) 06/0320/23 (d) 06/03/2023
6. 6.🔢 You want to remember the number 720483644390. Which chunked version keeps every digit in the same order? (a) 7200 4836 44390 (b) 7204 8364 4390 (c) 7204 8644 390 (d) 7208 4364 4390
7. 7.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 1 9 4 7 (d) 19 and 47
8. 8.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
9. 9.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
10. 10.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
11. 11.📅 The digits 26051987 are a date: day, month, year. Which chunking shows the date? (a) 26/05/1987 (b) 260/519/87 (c) 26/0519/87 (d) 2605/19/87
12. 12.📅 The digits 16112011 are a date: day, month, year. Which chunking shows the date? (a) 16/11/2011 (b) 161/120/11 (c) 1611/20/11 (d) 16/1120/11
13. 13.🔢 You want to remember the number 1827203642. Which chunked version keeps every digit in the same order? (a) 118 272 03642 (b) 182 703 642 (c) 182 702 3642 (d) 182 720 3642
14. 14.🔢 You want to remember the number 497840359. Which chunked version keeps every digit in the same order? (a) 478 403 59 (b) 497 840 539 (c) 497 840 3359 (d) 497 840 359
15. 15.🔢 You want to remember the number 5028824022. Which chunked version keeps every digit in the same order? (a) 508 282 4022 (b) 502 882 4022 (c) 502 882 40222 (d) 508 824 022
16. 16.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
17. 17.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) saying it backwards (d) splitting into groups
18. 18.🔢 You want to remember the number 394208051. Which chunked version keeps every digit in the same order? (a) 934 208 051 (b) 394 208 051 (c) 399 420 8051 (d) 394 280 51
19. 19.📅 The digits 07022007 are a date: day, month, year. Which chunking shows the date? (a) 070/220/07 (b) 07/0220/07 (c) 0702/20/07 (d) 07/02/2007
20. 20.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.📅 The digits 04021974 are a date: day, month, year. Which chunking shows the date? (a) 040/219/74 (b) 04/0219/74 (c) 04/02/1974 (d) 0402/19/74
22. 22.🔢 Chunking works for… (a) only numbers (b) nothing at all (c) numbers and letter lists (d) only pictures
23. 23.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
24. 24.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.🔢 You want to remember the number 5934083803. Which chunked version keeps every digit in the same order? (a) 594 083 803 (b) 593 403 8803 (c) 593 408 38803 (d) 593 408 3803
26. 26.🔢 You want to remember the number 5682129473. Which chunked version keeps every digit in the same order? (a) 568 212 4973 (b) 568 212 9473 (c) 568 212 473 (d) 568 212 94473
27. 27.📅 The digits 03051967 are a date: day, month, year. Which chunking shows the date? (a) 030/519/67 (b) 03/0519/67 (c) 0305/19/67 (d) 03/05/1967
28. 28.📅 The digits 10031983 are a date: day, month, year. Which chunking shows the date? (a) 1003/19/83 (b) 10/03/1983 (c) 100/319/83 (d) 10/0319/83
29. 29.📅 The digits 01062023 are a date: day, month, year. Which chunking shows the date? (a) 0106/20/23 (b) 01/06/2023 (c) 010/620/23 (d) 01/0620/23
30. 30.🔢 You want to remember the number 541028402. Which chunked version keeps every digit in the same order? (a) 514 028 402 (b) 541 028 402 (c) 554 102 8402 (d) 541 084 02
31. 31.📅 The digits 27062013 are a date: day, month, year. Which chunking shows the date? (a) 270/620/13 (b) 27/0620/13 (c) 2706/20/13 (d) 27/06/2013
32. 32.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.📅 The digits 20111992 are a date: day, month, year. Which chunking shows the date? (a) 201/119/92 (b) 2011/19/92 (c) 20/1119/92 (d) 20/11/1992
34. 34.📅 The digits 04012024 are a date: day, month, year. Which chunking shows the date? (a) 0401/20/24 (b) 040/120/24 (c) 04/01/2024 (d) 04/0120/24
35. 35.🔢 You want to remember the number 225671799582. Which chunked version keeps every digit in the same order? (a) 2256 7179 958 (b) 2256 6717 99582 (c) 2256 7719 9582 (d) 2256 7179 9582
36. 36.📅 The digits 01052004 are a date: day, month, year. Which chunking shows the date? (a) 01/0520/04 (b) 0105/20/04 (c) 010/520/04 (d) 01/05/2004
37. 37.🔢 You want to remember the number 353668166858. Which chunked version keeps every digit in the same order? (a) 3536 6681 66858 (b) 5336 6816 6858 (c) 3536 6816 6858 (d) 3536 6816 858
38. 38.🔢 You want to remember the number 532301683. Which chunked version keeps every digit in the same order? (a) 532 301 683 (b) 533 230 1683 (c) 523 301 683 (d) 532 306 83
39. 39.📅 The digits 08062020 are a date: day, month, year. Which chunking shows the date? (a) 080/620/20 (b) 08/0620/20 (c) 08/06/2020 (d) 0806/20/20
40. 40.🔢 You want to remember the number 750927008290. Which chunked version keeps every digit in the same order? (a) 7509 2700 8290 (b) 7509 2700 2890 (c) 7509 2700 829 (d) 7509 9270 08290

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