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Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 612 · 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 14041967 are a date: day, month, year. Which chunking shows the date? (a) 140/419/67 (b) 14/0419/67 (c) 14/04/1967 (d) 1404/19/67
  2. 2.🔢 You want to remember the number 2610841253. Which chunked version keeps every digit in the same order? (a) 210 841 253 (b) 261 084 1253 (c) 261 084 12553 (d) 261 084 2153
  3. 3.🔢 You want to remember the number 325439899. Which chunked version keeps every digit in the same order? (a) 324 539 899 (b) 325 439 9899 (c) 325 439 899 (d) 354 398 99
  4. 4.🔢 You want to remember the number 409977775. Which chunked version keeps every digit in the same order? (a) 409 977 7775 (b) 049 977 775 (c) 409 977 75 (d) 409 977 775
  5. 5.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
  6. 6.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
  7. 7.📅 The digits 15021988 are a date: day, month, year. Which chunking shows the date? (a) 15/0219/88 (b) 15/02/1988 (c) 150/219/88 (d) 1502/19/88
  8. 8.📅 The digits 13071960 are a date: day, month, year. Which chunking shows the date? (a) 13/0719/60 (b) 13/07/1960 (c) 1307/19/60 (d) 130/719/60
  9. 9.📅 The digits 16091959 are a date: day, month, year. Which chunking shows the date? (a) 1609/19/59 (b) 16/0919/59 (c) 16/09/1959 (d) 160/919/59
  10. 10.🔢 You want to remember the number 921529460951. Which chunked version keeps every digit in the same order? (a) 9215 2946 0951 (b) 9215 9460 951 (c) 9215 2946 09551 (d) 9251 2946 0951
  11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) three chunks, not ten (c) it is a smaller number (d) it has fewer digits
  12. 12.📅 The digits 10042003 are a date: day, month, year. Which chunking shows the date? (a) 100/420/03 (b) 1004/20/03 (c) 10/0420/03 (d) 10/04/2003
  13. 13.📅 The digits 13052003 are a date: day, month, year. Which chunking shows the date? (a) 130/520/03 (b) 1305/20/03 (c) 13/05/2003 (d) 13/0520/03
  14. 14.🔢 You want to remember the number 4729329069. Which chunked version keeps every digit in the same order? (a) 472 329 069 (b) 472 932 9069 (c) 472 993 29069 (d) 479 232 9069
  15. 15.🔢 You want to remember the number 821290617002. Which chunked version keeps every digit in the same order? (a) 2812 9061 7002 (b) 8221 2906 17002 (c) 8212 9617 002 (d) 8212 9061 7002
  16. 16.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
  17. 17.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
  18. 18.🔢 You want to remember the number 2111020014. Which chunked version keeps every digit in the same order? (a) 211 102 001 (b) 211 102 20014 (c) 121 102 0014 (d) 211 102 0014
  19. 19.🔢 You want to remember the number 309212464072. Which chunked version keeps every digit in the same order? (a) 3092 1426 4072 (b) 3091 2464 072 (c) 3092 2124 64072 (d) 3092 1246 4072
  20. 20.🔢 You want to remember the number 896540941. Which chunked version keeps every digit in the same order? (a) 896 504 941 (b) 896 509 41 (c) 896 540 941 (d) 896 554 0941
  21. 21.📅 The digits 12102006 are a date: day, month, year. Which chunking shows the date? (a) 12/10/2006 (b) 1210/20/06 (c) 121/020/06 (d) 12/1020/06
  22. 22.📅 The digits 27012022 are a date: day, month, year. Which chunking shows the date? (a) 27/0120/22 (b) 27/01/2022 (c) 2701/20/22 (d) 270/120/22
  23. 23.🔢 You want to remember the number 658004525. Which chunked version keeps every digit in the same order? (a) 658 004 525 (b) 658 004 52 (c) 658 004 5225 (d) 568 004 525
  24. 24.🔢 You want to remember the number 702610131. Which chunked version keeps every digit in the same order? (a) 702 610 13 (b) 702 610 131 (c) 702 610 1331 (d) 702 610 113
  25. 25.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
  26. 26.🔢 You want to remember the number 1836875723. Which chunked version keeps every digit in the same order? (a) 183 687 573 (b) 183 687 5723 (c) 183 687 75723 (d) 183 867 5723
  27. 27.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
  28. 28.📅 The digits 01081990 are a date: day, month, year. Which chunking shows the date? (a) 0108/19/90 (b) 010/819/90 (c) 01/08/1990 (d) 01/0819/90
  29. 29.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
  30. 30.🔢 You want to remember the number 114949314. Which chunked version keeps every digit in the same order? (a) 141 949 314 (b) 114 993 14 (c) 114 949 314 (d) 114 994 9314
  31. 31.🔢 You want to remember the number 365844849. Which chunked version keeps every digit in the same order? (a) 365 844 4849 (b) 365 844 849 (c) 368 448 49 (d) 356 844 849
  32. 32.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
  33. 33.📅 The digits 07071995 are a date: day, month, year. Which chunking shows the date? (a) 070/719/95 (b) 0707/19/95 (c) 07/0719/95 (d) 07/07/1995
  34. 34.🔢 You want to remember the number 739537957352. Which chunked version keeps every digit in the same order? (a) 7395 3975 7352 (b) 7395 3795 73522 (c) 7395 3795 7352 (d) 7395 3795 752
  35. 35.🔢 You want to remember the number 200430820655. Which chunked version keeps every digit in the same order? (a) 2004 3082 0655 (b) 0043 0820 655 (c) 2004 4308 20655 (d) 2004 3028 0655
  36. 36.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
  37. 37.📅 The digits 17011956 are a date: day, month, year. Which chunking shows the date? (a) 17/0119/56 (b) 1701/19/56 (c) 17/01/1956 (d) 170/119/56
  38. 38.📅 The digits 14011963 are a date: day, month, year. Which chunking shows the date? (a) 14/0119/63 (b) 140/119/63 (c) 14/01/1963 (d) 1401/19/63
  39. 39.🔢 You want to remember the number 4351558708. Which chunked version keeps every digit in the same order? (a) 435 158 708 (b) 435 155 8078 (c) 435 515 58708 (d) 435 155 8708
  40. 40.🔢 You want to remember the number 5628094674. Which chunked version keeps every digit in the same order? (a) 562 880 94674 (b) 562 809 4674 (c) 528 094 674 (d) 562 804 9674

Answer key

  1. 14/04/1967
  2. 261 084 1253
  3. 325 439 899
  4. 409 977 775
  5. means something to you
  6. 3
  7. 15/02/1988
  8. 13/07/1960
  9. 16/09/1959
  10. 9215 2946 0951
  11. three chunks, not ten
  12. 10/04/2003
  13. 13/05/2003
  14. 472 932 9069
  15. 8212 9061 7002
  16. 5
  17. 5
  18. 211 102 0014
  19. 3092 1246 4072
  20. 896 540 941
  21. 12/10/2006
  22. 27/01/2022
  23. 658 004 525
  24. 702 610 131
  25. 6
  26. 183 687 5723
  27. numbers and letter lists
  28. 01/08/1990
  29. 3
  30. 114 949 314
  31. 365 844 849
  32. 3
  33. 07/07/1995
  34. 7395 3795 7352
  35. 2004 3082 0655
  36. 19 and 47
  37. 17/01/1956
  38. 14/01/1963
  39. 435 155 8708
  40. 562 809 4674

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