Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 569 · 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 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.📅 The digits 07122010 are a date: day, month, year. Which chunking shows the date? (a) 071/220/10 (b) 0712/20/10 (c) 07/12/2010 (d) 07/1220/10
4. 4.🔢 You want to remember the number 2916325179. Which chunked version keeps every digit in the same order? (a) 291 663 25179 (b) 219 632 5179 (c) 291 325 179 (d) 291 632 5179
5. 5.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
6. 6.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) three chunks, not ten (d) it has fewer digits
7. 7.🔢 You want to remember the number 1204660644. Which chunked version keeps every digit in the same order? (a) 104 660 644 (b) 120 466 06444 (c) 120 466 0644 (d) 120 466 0464
8. 8.📅 The digits 11121978 are a date: day, month, year. Which chunking shows the date? (a) 111/219/78 (b) 1112/19/78 (c) 11/1219/78 (d) 11/12/1978
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 1 9 4 7 (d) 194 and 7
10. 10.📅 The digits 28081996 are a date: day, month, year. Which chunking shows the date? (a) 28/08/1996 (b) 28/0819/96 (c) 280/819/96 (d) 2808/19/96
11. 11.📅 The digits 06011954 are a date: day, month, year. Which chunking shows the date? (a) 0601/19/54 (b) 06/0119/54 (c) 06/01/1954 (d) 060/119/54
12. 12.🔢 You want to remember the number 549913422814. Which chunked version keeps every digit in the same order? (a) 5499 1342 2814 (b) 5499 1322 814 (c) 5499 1134 22814 (d) 5499 1324 2814
13. 13.📅 The digits 02041994 are a date: day, month, year. Which chunking shows the date? (a) 020/419/94 (b) 0204/19/94 (c) 02/04/1994 (d) 02/0419/94
14. 14.📅 The digits 03061980 are a date: day, month, year. Which chunking shows the date? (a) 03/0619/80 (b) 0306/19/80 (c) 030/619/80 (d) 03/06/1980
15. 15.🔢 You want to remember the number 238746936462. Which chunked version keeps every digit in the same order? (a) 2387 4693 6426 (b) 2387 4693 64622 (c) 2387 4693 642 (d) 2387 4693 6462
16. 16.🔢 You want to remember the number 858732943597. Which chunked version keeps every digit in the same order? (a) 8587 3249 3597 (b) 8587 3294 3597 (c) 8587 3294 33597 (d) 8587 3294 397
17. 17.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 You want to remember the number 817557691. Which chunked version keeps every digit in the same order? (a) 817 557 69 (b) 817 557 691 (c) 817 557 6691 (d) 187 557 691
19. 19.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) numbers and letter lists (d) only numbers
20. 20.🔢 You want to remember the number 139662088355. Which chunked version keeps every digit in the same order? (a) 1339 6620 88355 (b) 1396 6280 8355 (c) 1966 2088 355 (d) 1396 6208 8355
21. 21.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.📅 The digits 07091985 are a date: day, month, year. Which chunking shows the date? (a) 070/919/85 (b) 0709/19/85 (c) 07/09/1985 (d) 07/0919/85
25. 25.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
26. 26.🔢 You want to remember the number 343227047. Which chunked version keeps every digit in the same order? (a) 343 227 047 (b) 343 227 0447 (c) 433 227 047 (d) 343 227 07
27. 27.🔢 You want to remember the number 402150128446. Which chunked version keeps every digit in the same order? (a) 0421 5012 8446 (b) 4021 5028 446 (c) 4021 5012 28446 (d) 4021 5012 8446
28. 28.📅 The digits 24031952 are a date: day, month, year. Which chunking shows the date? (a) 24/0319/52 (b) 240/319/52 (c) 24/03/1952 (d) 2403/19/52
29. 29.🔢 You want to remember the number 811532797. Which chunked version keeps every digit in the same order? (a) 811 537 97 (b) 811 532 7977 (c) 815 132 797 (d) 811 532 797
30. 30.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
31. 31.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
32. 32.📅 The digits 02091980 are a date: day, month, year. Which chunking shows the date? (a) 020/919/80 (b) 0209/19/80 (c) 02/0919/80 (d) 02/09/1980
33. 33.📅 The digits 06062023 are a date: day, month, year. Which chunking shows the date? (a) 060/620/23 (b) 0606/20/23 (c) 06/06/2023 (d) 06/0620/23
34. 34.🔢 You want to remember the number 163619026. Which chunked version keeps every digit in the same order? (a) 163 619 02 (b) 163 619 206 (c) 166 361 9026 (d) 163 619 026
35. 35.🔢 You want to remember the number 5658067925. Which chunked version keeps every digit in the same order? (a) 565 867 925 (b) 556 806 7925 (c) 565 806 7925 (d) 556 580 67925
36. 36.📅 The digits 16051980 are a date: day, month, year. Which chunking shows the date? (a) 160/519/80 (b) 1605/19/80 (c) 16/05/1980 (d) 16/0519/80
37. 37.📅 The digits 05011963 are a date: day, month, year. Which chunking shows the date? (a) 0501/19/63 (b) 05/0119/63 (c) 05/01/1963 (d) 050/119/63
38. 38.📅 The digits 23112002 are a date: day, month, year. Which chunking shows the date? (a) 23/1120/02 (b) 231/120/02 (c) 23/11/2002 (d) 2311/20/02
39. 39.📅 The digits 07011980 are a date: day, month, year. Which chunking shows the date? (a) 070/119/80 (b) 07/01/1980 (c) 07/0119/80 (d) 0701/19/80
40. 40.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast

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