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Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 128 · 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 15121964 are a date: day, month, year. Which chunking shows the date? (a) 15/12/1964 (b) 15/1219/64 (c) 151/219/64 (d) 1512/19/64
  2. 2.🔢 You want to remember the number 721212404. Which chunked version keeps every digit in the same order? (a) 721 212 4404 (b) 721 122 404 (c) 721 124 04 (d) 721 212 404
  3. 3.🔢 You want to remember the number 8925975480. Which chunked version keeps every digit in the same order? (a) 892 597 55480 (b) 892 597 548 (c) 892 597 5480 (d) 829 597 5480
  4. 4.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  5. 5.🔢 You want to remember the number 263740699471. Which chunked version keeps every digit in the same order? (a) 2367 4069 9471 (b) 2637 0699 471 (c) 2637 4069 9471 (d) 2637 4069 99471
  6. 6.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
  7. 7.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) means something to you (d) has no pattern
  8. 8.📅 The digits 26091963 are a date: day, month, year. Which chunking shows the date? (a) 260/919/63 (b) 26/0919/63 (c) 26/09/1963 (d) 2609/19/63
  9. 9.🔢 You want to remember the number 8717377703. Which chunked version keeps every digit in the same order? (a) 871 737 7703 (b) 781 737 7703 (c) 871 737 770 (d) 877 173 77703
  10. 10.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 1 9 4 7 (d) 194 and 7
  11. 11.🔢 You want to remember the number 327567931. Which chunked version keeps every digit in the same order? (a) 327 657 931 (b) 327 679 31 (c) 327 567 9931 (d) 327 567 931
  12. 12.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  13. 13.🔢 You want to remember the number 928908815407. Which chunked version keeps every digit in the same order? (a) 9228 9088 15407 (b) 9289 0881 507 (c) 9289 0881 4507 (d) 9289 0881 5407
  14. 14.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
  15. 15.📅 The digits 24042011 are a date: day, month, year. Which chunking shows the date? (a) 240/420/11 (b) 24/0420/11 (c) 24/04/2011 (d) 2404/20/11
  16. 16.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) only pictures (d) nothing at all
  17. 17.🔢 You want to remember the number 246113892. Which chunked version keeps every digit in the same order? (a) 246 118 92 (b) 246 131 892 (c) 246 113 892 (d) 244 611 3892
  18. 18.📅 The digits 07111973 are a date: day, month, year. Which chunking shows the date? (a) 071/119/73 (b) 0711/19/73 (c) 07/1119/73 (d) 07/11/1973
  19. 19.📅 The digits 05081951 are a date: day, month, year. Which chunking shows the date? (a) 050/819/51 (b) 05/0819/51 (c) 05/08/1951 (d) 0508/19/51
  20. 20.🔢 You want to remember the number 5060419347. Which chunked version keeps every digit in the same order? (a) 506 041 9347 (b) 506 041 9374 (c) 506 041 19347 (d) 506 041 937
  21. 21.🔢 You want to remember the number 963023687273. Which chunked version keeps every digit in the same order? (a) 9630 2368 7273 (b) 9630 2368 7237 (c) 9630 2368 273 (d) 9630 2368 72773
  22. 22.🔢 You want to remember the number 211713478. Which chunked version keeps every digit in the same order? (a) 211 173 478 (b) 221 171 3478 (c) 117 134 78 (d) 211 713 478
  23. 23.🔢 You want to remember the number 4369421993. Which chunked version keeps every digit in the same order? (a) 443 694 21993 (b) 436 942 1993 (c) 436 941 993 (d) 436 492 1993
  24. 24.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  25. 25.📅 The digits 06052025 are a date: day, month, year. Which chunking shows the date? (a) 0605/20/25 (b) 06/0520/25 (c) 06/05/2025 (d) 060/520/25
  26. 26.🔢 You want to remember the number 207122770. Which chunked version keeps every digit in the same order? (a) 207 227 70 (b) 220 712 2770 (c) 201 722 770 (d) 207 122 770
  27. 27.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  28. 28.🔢 You want to remember the number 527717182. Which chunked version keeps every digit in the same order? (a) 527 717 12 (b) 527 717 182 (c) 552 771 7182 (d) 527 177 182
  29. 29.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  30. 30.🔢 You want to remember the number 464919749. Which chunked version keeps every digit in the same order? (a) 644 919 749 (b) 469 197 49 (c) 464 919 749 (d) 464 491 9749
  31. 31.🔢 You want to remember the number 453196560756. Which chunked version keeps every digit in the same order? (a) 4531 9656 0756 (b) 4533 1965 60756 (c) 4531 9656 7056 (d) 4319 6560 756
  32. 32.📅 The digits 22111950 are a date: day, month, year. Which chunking shows the date? (a) 22/11/1950 (b) 22/1119/50 (c) 221/119/50 (d) 2211/19/50
  33. 33.📅 The digits 03021983 are a date: day, month, year. Which chunking shows the date? (a) 03/0219/83 (b) 03/02/1983 (c) 0302/19/83 (d) 030/219/83
  34. 34.📅 The digits 18051956 are a date: day, month, year. Which chunking shows the date? (a) 180/519/56 (b) 1805/19/56 (c) 18/0519/56 (d) 18/05/1956
  35. 35.📅 The digits 28091952 are a date: day, month, year. Which chunking shows the date? (a) 2809/19/52 (b) 28/09/1952 (c) 280/919/52 (d) 28/0919/52
  36. 36.📅 The digits 24042019 are a date: day, month, year. Which chunking shows the date? (a) 2404/20/19 (b) 24/04/2019 (c) 240/420/19 (d) 24/0420/19
  37. 37.🔢 You want to remember the number 584040742. Which chunked version keeps every digit in the same order? (a) 584 040 72 (b) 584 404 0742 (c) 584 040 742 (d) 584 047 042
  38. 38.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  39. 39.📅 The digits 14042005 are a date: day, month, year. Which chunking shows the date? (a) 14/04/2005 (b) 1404/20/05 (c) 14/0420/05 (d) 140/420/05
  40. 40.🔢 You want to remember the number 7890728753. Which chunked version keeps every digit in the same order? (a) 789 072 7853 (b) 789 072 8753 (c) 789 072 28753 (d) 780 728 753

Answer key

  1. 15/12/1964
  2. 721 212 404
  3. 892 597 5480
  4. 6
  5. 2637 4069 9471
  6. 4
  7. means something to you
  8. 26/09/1963
  9. 871 737 7703
  10. 19 and 47
  11. 327 567 931
  12. 7
  13. 9289 0881 5407
  14. 3
  15. 24/04/2011
  16. numbers and letter lists
  17. 246 113 892
  18. 07/11/1973
  19. 05/08/1951
  20. 506 041 9347
  21. 9630 2368 7273
  22. 211 713 478
  23. 436 942 1993
  24. 5
  25. 06/05/2025
  26. 207 122 770
  27. 9
  28. 527 717 182
  29. 8
  30. 464 919 749
  31. 4531 9656 0756
  32. 22/11/1950
  33. 03/02/1983
  34. 18/05/1956
  35. 28/09/1952
  36. 24/04/2019
  37. 584 040 742
  38. 6
  39. 14/04/2005
  40. 789 072 8753

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