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Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 862 · 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.🔢 You want to remember the number 826526762. Which chunked version keeps every digit in the same order? (a) 826 526 762 (b) 825 267 62 (c) 826 256 762 (d) 826 552 6762
  2. 2.🔢 You want to remember the number 2731542545. Which chunked version keeps every digit in the same order? (a) 271 542 545 (b) 271 354 2545 (c) 273 154 2545 (d) 277 315 42545
  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.📅 The digits 05031959 are a date: day, month, year. Which chunking shows the date? (a) 05/0319/59 (b) 0503/19/59 (c) 05/03/1959 (d) 050/319/59
  5. 5.🔢 You want to remember the number 802542258. Which chunked version keeps every digit in the same order? (a) 802 542 258 (b) 802 452 258 (c) 025 422 58 (d) 802 544 2258
  6. 6.🔢 You want to remember the number 3912986990. Which chunked version keeps every digit in the same order? (a) 391 986 990 (b) 319 298 6990 (c) 391 298 6990 (d) 391 129 86990
  7. 7.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  8. 8.📅 The digits 03111997 are a date: day, month, year. Which chunking shows the date? (a) 031/119/97 (b) 03/1119/97 (c) 0311/19/97 (d) 03/11/1997
  9. 9.📅 The digits 05081954 are a date: day, month, year. Which chunking shows the date? (a) 050/819/54 (b) 05/0819/54 (c) 0508/19/54 (d) 05/08/1954
  10. 10.🔢 You want to remember the number 2273436468. Which chunked version keeps every digit in the same order? (a) 227 343 6468 (b) 227 343 64668 (c) 272 343 6468 (d) 227 343 668
  11. 11.🔢 You want to remember the number 910317037308. Which chunked version keeps every digit in the same order? (a) 9013 1703 7308 (b) 9103 1700 37308 (c) 9103 1703 7308 (d) 9103 1703 708
  12. 12.🔢 You want to remember the number 1223487460. Which chunked version keeps every digit in the same order? (a) 212 348 7460 (b) 122 334 87460 (c) 122 348 746 (d) 122 348 7460
  13. 13.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
  14. 14.📅 The digits 15071963 are a date: day, month, year. Which chunking shows the date? (a) 15/0719/63 (b) 150/719/63 (c) 15/07/1963 (d) 1507/19/63
  15. 15.📅 The digits 07071988 are a date: day, month, year. Which chunking shows the date? (a) 0707/19/88 (b) 07/07/1988 (c) 070/719/88 (d) 07/0719/88
  16. 16.🔢 You want to remember the number 219610280. Which chunked version keeps every digit in the same order? (a) 219 610 280 (b) 219 610 2880 (c) 219 610 28 (d) 219 160 280
  17. 17.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  18. 18.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) splitting into groups (d) reading very fast
  19. 19.🔢 You want to remember the number 707428775. Which chunked version keeps every digit in the same order? (a) 707 428 77 (b) 707 428 775 (c) 707 422 8775 (d) 077 428 775
  20. 20.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
  21. 21.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
  22. 22.🔢 You want to remember the number 4986032231. Which chunked version keeps every digit in the same order? (a) 498 632 231 (b) 498 603 2321 (c) 498 603 2231 (d) 498 660 32231
  23. 23.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
  24. 24.🔢 A chunk is easiest to keep when it… (a) means something to you (b) is very long (c) changes daily (d) has no pattern
  25. 25.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) only pictures (d) numbers and letter lists
  26. 26.📅 The digits 06021993 are a date: day, month, year. Which chunking shows the date? (a) 060/219/93 (b) 06/02/1993 (c) 0602/19/93 (d) 06/0219/93
  27. 27.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  28. 28.📅 The digits 14021997 are a date: day, month, year. Which chunking shows the date? (a) 14/02/1997 (b) 14/0219/97 (c) 1402/19/97 (d) 140/219/97
  29. 29.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 and 947 (d) 1 9 4 7
  30. 30.🔢 You want to remember the number 1108522613. Which chunked version keeps every digit in the same order? (a) 110 852 26133 (b) 110 852 2613 (c) 110 522 613 (d) 110 852 2163
  31. 31.🔢 You want to remember the number 5682279735. Which chunked version keeps every digit in the same order? (a) 562 827 9735 (b) 582 279 735 (c) 568 227 9735 (d) 568 222 79735
  32. 32.🔢 You want to remember the number 262920474. Which chunked version keeps every digit in the same order? (a) 262 920 474 (b) 262 204 74 (c) 266 292 0474 (d) 262 920 447
  33. 33.🔢 You want to remember the number 7605021136. Which chunked version keeps every digit in the same order? (a) 605 021 136 (b) 760 502 1136 (c) 760 550 21136 (d) 765 002 1136
  34. 34.🔢 You want to remember the number 5732014723. Which chunked version keeps every digit in the same order? (a) 573 201 4723 (b) 573 210 4723 (c) 573 200 14723 (d) 572 014 723
  35. 35.📅 The digits 04081997 are a date: day, month, year. Which chunking shows the date? (a) 040/819/97 (b) 04/0819/97 (c) 04/08/1997 (d) 0408/19/97
  36. 36.📅 The digits 20112010 are a date: day, month, year. Which chunking shows the date? (a) 201/120/10 (b) 20/11/2010 (c) 20/1120/10 (d) 2011/20/10
  37. 37.🔢 You want to remember the number 395746552. Which chunked version keeps every digit in the same order? (a) 395 764 552 (b) 395 745 52 (c) 395 746 552 (d) 395 746 6552
  38. 38.🔢 You want to remember the number 281619769582. Which chunked version keeps every digit in the same order? (a) 2816 1976 99582 (b) 2816 9769 582 (c) 2861 1976 9582 (d) 2816 1976 9582
  39. 39.🔢 You want to remember the number 3310197203. Which chunked version keeps every digit in the same order? (a) 331 017 9203 (b) 331 019 72203 (c) 330 197 203 (d) 331 019 7203
  40. 40.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?

Answer key

  1. 826 526 762
  2. 273 154 2545
  3. three chunks, not ten
  4. 05/03/1959
  5. 802 542 258
  6. 391 298 6990
  7. 5
  8. 03/11/1997
  9. 05/08/1954
  10. 227 343 6468
  11. 9103 1703 7308
  12. 122 348 7460
  13. 2
  14. 15/07/1963
  15. 07/07/1988
  16. 219 610 280
  17. 4
  18. splitting into groups
  19. 707 428 775
  20. 5
  21. 3
  22. 498 603 2231
  23. 4
  24. means something to you
  25. numbers and letter lists
  26. 06/02/1993
  27. 5
  28. 14/02/1997
  29. 19 and 47
  30. 110 852 2613
  31. 568 227 9735
  32. 262 920 474
  33. 760 502 1136
  34. 573 201 4723
  35. 04/08/1997
  36. 20/11/2010
  37. 395 746 552
  38. 2816 1976 9582
  39. 331 019 7203
  40. 2

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