Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 889 · 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.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) splitting into groups (d) writing it twice
2. 2.📅 The digits 21071962 are a date: day, month, year. Which chunking shows the date? (a) 21/0719/62 (b) 210/719/62 (c) 21/07/1962 (d) 2107/19/62
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 printed bigger (d) it is a smaller number
4. 4.🔢 You want to remember the number 215071688. Which chunked version keeps every digit in the same order? (a) 215 017 688 (b) 215 071 688 (c) 210 716 88 (d) 215 507 1688
5. 5.📅 The digits 08071961 are a date: day, month, year. Which chunking shows the date? (a) 080/719/61 (b) 08/07/1961 (c) 08/0719/61 (d) 0807/19/61
6. 6.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) has no pattern (d) means something to you
7. 7.🔢 You want to remember the number 402687499. Which chunked version keeps every digit in the same order? (a) 420 687 499 (b) 402 687 499 (c) 402 687 4999 (d) 402 684 99
8. 8.🔢 You want to remember the number 1518205624. Which chunked version keeps every digit in the same order? (a) 151 820 5624 (b) 151 820 562 (c) 151 820 6524 (d) 151 820 56224
9. 9.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
10. 10.📅 The digits 17021961 are a date: day, month, year. Which chunking shows the date? (a) 17/0219/61 (b) 170/219/61 (c) 1702/19/61 (d) 17/02/1961
11. 11.🔢 You want to remember the number 477459559. Which chunked version keeps every digit in the same order? (a) 747 459 559 (b) 774 595 59 (c) 477 745 9559 (d) 477 459 559
12. 12.🔢 You want to remember the number 516918697. Which chunked version keeps every digit in the same order? (a) 516 918 697 (b) 156 918 697 (c) 511 691 8697 (d) 516 918 69
13. 13.📅 The digits 03091999 are a date: day, month, year. Which chunking shows the date? (a) 03/0919/99 (b) 030/919/99 (c) 03/09/1999 (d) 0309/19/99
14. 14.🔢 You want to remember the number 540711637. Which chunked version keeps every digit in the same order? (a) 540 116 37 (b) 540 711 367 (c) 540 711 637 (d) 544 071 1637
15. 15.📅 The digits 17041977 are a date: day, month, year. Which chunking shows the date? (a) 170/419/77 (b) 17/04/1977 (c) 17/0419/77 (d) 1704/19/77
16. 16.📅 The digits 21011998 are a date: day, month, year. Which chunking shows the date? (a) 21/0119/98 (b) 2101/19/98 (c) 210/119/98 (d) 21/01/1998
17. 17.🔢 You want to remember the number 502037238. Which chunked version keeps every digit in the same order? (a) 500 237 238 (b) 502 037 238 (c) 500 203 7238 (d) 520 372 38
18. 18.🔢 You want to remember the number 833153261072. Which chunked version keeps every digit in the same order? (a) 8331 5326 11072 (b) 8331 5326 102 (c) 8331 5326 1072 (d) 8331 5321 6072
19. 19.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 1 and 947 (d) 19 and 47
20. 20.🔢 You want to remember the number 250171363. Which chunked version keeps every digit in the same order? (a) 250 171 336 (b) 250 171 63 (c) 250 171 3663 (d) 250 171 363
21. 21.🔢 You want to remember the number 2270339311. Which chunked version keeps every digit in the same order? (a) 227 033 9311 (b) 227 033 39311 (c) 220 339 311 (d) 272 033 9311
22. 22.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 903312305. Which chunked version keeps every digit in the same order? (a) 903 312 305 (b) 900 331 2305 (c) 903 323 05 (d) 903 313 205
25. 25.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) numbers and letter lists (d) only numbers
26. 26.📅 The digits 12122014 are a date: day, month, year. Which chunking shows the date? (a) 1212/20/14 (b) 121/220/14 (c) 12/1220/14 (d) 12/12/2014
27. 27.🔢 You want to remember the number 359419624488. Which chunked version keeps every digit in the same order? (a) 3594 1962 44888 (b) 5941 9624 488 (c) 3591 4962 4488 (d) 3594 1962 4488
28. 28.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 2268461191. Which chunked version keeps every digit in the same order? (a) 228 646 1191 (b) 226 846 1191 (c) 226 461 191 (d) 226 684 61191
30. 30.🔢 You want to remember the number 406478828. Which chunked version keeps every digit in the same order? (a) 406 478 828 (b) 046 478 828 (c) 406 478 28 (d) 406 477 8828
31. 31.📅 The digits 01022017 are a date: day, month, year. Which chunking shows the date? (a) 0102/20/17 (b) 01/0220/17 (c) 010/220/17 (d) 01/02/2017
32. 32.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 143654904150. Which chunked version keeps every digit in the same order? (a) 1436 5490 4150 (b) 1436 5490 415 (c) 1436 5409 4150 (d) 1436 5490 44150
34. 34.📅 The digits 03052014 are a date: day, month, year. Which chunking shows the date? (a) 030/520/14 (b) 0305/20/14 (c) 03/05/2014 (d) 03/0520/14
35. 35.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
36. 36.🔢 You want to remember the number 349409168823. Which chunked version keeps every digit in the same order? (a) 3494 0911 68823 (b) 3440 9168 823 (c) 3494 0196 8823 (d) 3494 0916 8823
37. 37.🔢 You want to remember the number 206960261. Which chunked version keeps every digit in the same order? (a) 206 960 261 (b) 206 960 216 (c) 206 996 0261 (d) 206 962 61
38. 38.📅 The digits 14031962 are a date: day, month, year. Which chunking shows the date? (a) 14/0319/62 (b) 1403/19/62 (c) 140/319/62 (d) 14/03/1962
39. 39.📅 The digits 21031954 are a date: day, month, year. Which chunking shows the date? (a) 210/319/54 (b) 21/0319/54 (c) 2103/19/54 (d) 21/03/1954
40. 40.🔢 You want to remember the number 3490261269. Which chunked version keeps every digit in the same order? (a) 344 902 61269 (b) 349 026 2169 (c) 349 026 1269 (d) 349 026 129

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