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Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 721 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.📅 The digits 15041970 are a date: day, month, year. Which chunking shows the date? (a) 15/04/1970 (b) 150/419/70 (c) 15/0419/70 (d) 1504/19/70
  2. 2.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) is very long (d) has no pattern
  3. 3.🔢 You want to remember the number 530955312915. Which chunked version keeps every digit in the same order? (a) 5300 9553 12915 (b) 5390 5531 2915 (c) 5309 5312 915 (d) 5309 5531 2915
  4. 4.🔢 You want to remember the number 791465526. Which chunked version keeps every digit in the same order? (a) 719 465 526 (b) 714 655 26 (c) 791 446 5526 (d) 791 465 526
  5. 5.🔢 You want to remember the number 868082344. Which chunked version keeps every digit in the same order? (a) 868 083 44 (b) 868 083 244 (c) 868 082 3444 (d) 868 082 344
  6. 6.🔢 You want to remember the number 919152310. Which chunked version keeps every digit in the same order? (a) 919 152 310 (b) 919 155 2310 (c) 919 152 130 (d) 991 523 10
  7. 7.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
  8. 8.🔢 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
  9. 9.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  10. 10.📅 The digits 13041996 are a date: day, month, year. Which chunking shows the date? (a) 13/04/1996 (b) 130/419/96 (c) 1304/19/96 (d) 13/0419/96
  11. 11.🔢 You want to remember the number 735326289. Which chunked version keeps every digit in the same order? (a) 735 236 289 (b) 735 326 2289 (c) 735 326 289 (d) 735 326 29
  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.🔢 What is chunking? (a) saying it backwards (b) splitting into groups (c) writing it twice (d) reading very fast
  14. 14.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
  15. 15.🔢 You want to remember the number 462066007. Which chunked version keeps every digit in the same order? (a) 426 066 007 (b) 620 660 07 (c) 446 206 6007 (d) 462 066 007
  16. 16.📅 The digits 09111964 are a date: day, month, year. Which chunking shows the date? (a) 09/11/1964 (b) 09/1119/64 (c) 0911/19/64 (d) 091/119/64
  17. 17.🔢 You want to remember the number 2550552497. Which chunked version keeps every digit in the same order? (a) 255 505 2497 (b) 255 505 52497 (c) 255 055 2497 (d) 550 552 497
  18. 18.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  19. 19.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
  20. 20.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) only numbers (d) numbers and letter lists
  21. 21.📅 The digits 01011984 are a date: day, month, year. Which chunking shows the date? (a) 010/119/84 (b) 0101/19/84 (c) 01/0119/84 (d) 01/01/1984
  22. 22.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  23. 23.📅 The digits 08011997 are a date: day, month, year. Which chunking shows the date? (a) 08/0119/97 (b) 080/119/97 (c) 08/01/1997 (d) 0801/19/97
  24. 24.📅 The digits 07051965 are a date: day, month, year. Which chunking shows the date? (a) 07/0519/65 (b) 07/05/1965 (c) 0705/19/65 (d) 070/519/65
  25. 25.📅 The digits 02021973 are a date: day, month, year. Which chunking shows the date? (a) 02/02/1973 (b) 0202/19/73 (c) 020/219/73 (d) 02/0219/73
  26. 26.📅 The digits 09061991 are a date: day, month, year. Which chunking shows the date? (a) 09/06/1991 (b) 0906/19/91 (c) 09/0619/91 (d) 090/619/91
  27. 27.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
  28. 28.🔢 You want to remember the number 456916826. Which chunked version keeps every digit in the same order? (a) 456 916 826 (b) 469 168 26 (c) 456 991 6826 (d) 459 616 826
  29. 29.📅 The digits 06042000 are a date: day, month, year. Which chunking shows the date? (a) 060/420/00 (b) 06/0420/00 (c) 06/04/2000 (d) 0604/20/00
  30. 30.📅 The digits 27011953 are a date: day, month, year. Which chunking shows the date? (a) 270/119/53 (b) 27/0119/53 (c) 27/01/1953 (d) 2701/19/53
  31. 31.🔢 You want to remember the number 603602883. Which chunked version keeps every digit in the same order? (a) 630 602 883 (b) 600 360 2883 (c) 603 028 83 (d) 603 602 883
  32. 32.🔢 You want to remember the number 3612600623. Which chunked version keeps every digit in the same order? (a) 361 260 623 (b) 361 260 0623 (c) 361 260 0632 (d) 361 260 06223
  33. 33.📅 The digits 09021959 are a date: day, month, year. Which chunking shows the date? (a) 090/219/59 (b) 09/02/1959 (c) 0902/19/59 (d) 09/0219/59
  34. 34.📅 The digits 15092016 are a date: day, month, year. Which chunking shows the date? (a) 15/0920/16 (b) 15/09/2016 (c) 1509/20/16 (d) 150/920/16
  35. 35.📅 The digits 25041998 are a date: day, month, year. Which chunking shows the date? (a) 25/04/1998 (b) 2504/19/98 (c) 25/0419/98 (d) 250/419/98
  36. 36.🔢 You want to remember the number 804572963109. Which chunked version keeps every digit in the same order? (a) 8057 2963 109 (b) 8045 7926 3109 (c) 8045 7296 3109 (d) 8804 5729 63109
  37. 37.📅 The digits 25062007 are a date: day, month, year. Which chunking shows the date? (a) 2506/20/07 (b) 25/0620/07 (c) 250/620/07 (d) 25/06/2007
  38. 38.📅 The digits 21011952 are a date: day, month, year. Which chunking shows the date? (a) 210/119/52 (b) 21/01/1952 (c) 2101/19/52 (d) 21/0119/52
  39. 39.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  40. 40.📅 The digits 01042009 are a date: day, month, year. Which chunking shows the date? (a) 01/04/2009 (b) 010/420/09 (c) 0104/20/09 (d) 01/0420/09

Answer key

  1. 15/04/1970
  2. means something to you
  3. 5309 5531 2915
  4. 791 465 526
  5. 868 082 344
  6. 919 152 310
  7. 5
  8. three chunks, not ten
  9. 7
  10. 13/04/1996
  11. 735 326 289
  12. 8
  13. splitting into groups
  14. 2
  15. 462 066 007
  16. 09/11/1964
  17. 255 055 2497
  18. 8
  19. 5
  20. numbers and letter lists
  21. 01/01/1984
  22. 4
  23. 08/01/1997
  24. 07/05/1965
  25. 02/02/1973
  26. 09/06/1991
  27. 3
  28. 456 916 826
  29. 06/04/2000
  30. 27/01/1953
  31. 603 602 883
  32. 361 260 0623
  33. 09/02/1959
  34. 15/09/2016
  35. 25/04/1998
  36. 8045 7296 3109
  37. 25/06/2007
  38. 21/01/1952
  39. 5
  40. 01/04/2009

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