Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 21 · 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.🔢 You want to remember the number 9151835102. Which chunked version keeps every digit in the same order? (a) 951 835 102 (b) 915 188 35102 (c) 915 183 5102 (d) 915 183 5012
2. 2.🔢 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
3. 3.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) is very long (d) has no pattern
4. 4.🔢 You want to remember the number 435239930052. Which chunked version keeps every digit in the same order? (a) 3452 3993 0052 (b) 4353 9930 052 (c) 4352 3993 00552 (d) 4352 3993 0052
5. 5.📅 The digits 01032005 are a date: day, month, year. Which chunking shows the date? (a) 010/320/05 (b) 0103/20/05 (c) 01/03/2005 (d) 01/0320/05
6. 6.📅 The digits 09081993 are a date: day, month, year. Which chunking shows the date? (a) 090/819/93 (b) 09/0819/93 (c) 0908/19/93 (d) 09/08/1993
7. 7.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
8. 8.📅 The digits 04041968 are a date: day, month, year. Which chunking shows the date? (a) 0404/19/68 (b) 040/419/68 (c) 04/04/1968 (d) 04/0419/68
9. 9.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) only pictures (d) nothing at all
10. 10.🔢 You want to remember the number 1811147489. Which chunked version keeps every digit in the same order? (a) 181 114 748 (b) 181 114 4789 (c) 181 114 7489 (d) 118 111 47489
11. 11.📅 The digits 10121982 are a date: day, month, year. Which chunking shows the date? (a) 10/12/1982 (b) 1012/19/82 (c) 101/219/82 (d) 10/1219/82
12. 12.🔢 You want to remember the number 311730245. Which chunked version keeps every digit in the same order? (a) 311 730 245 (b) 311 732 45 (c) 311 732 045 (d) 331 173 0245
13. 13.📅 The digits 05112012 are a date: day, month, year. Which chunking shows the date? (a) 0511/20/12 (b) 05/1120/12 (c) 051/120/12 (d) 05/11/2012
14. 14.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 385815257218. Which chunked version keeps every digit in the same order? (a) 3858 1255 7218 (b) 3858 5257 218 (c) 3858 1525 72118 (d) 3858 1525 7218
16. 16.📅 The digits 09092016 are a date: day, month, year. Which chunking shows the date? (a) 09/09/2016 (b) 09/0920/16 (c) 0909/20/16 (d) 090/920/16
17. 17.🔢 You want to remember the number 1673918277. Which chunked version keeps every digit in the same order? (a) 163 791 8277 (b) 116 739 18277 (c) 173 918 277 (d) 167 391 8277
18. 18.🔢 You want to remember the number 578492445352. Which chunked version keeps every digit in the same order? (a) 5784 9244 55352 (b) 5784 9244 5352 (c) 5784 9244 535 (d) 5784 9424 5352
19. 19.📅 The digits 14061982 are a date: day, month, year. Which chunking shows the date? (a) 14/0619/82 (b) 14/06/1982 (c) 1406/19/82 (d) 140/619/82
20. 20.📅 The digits 04021959 are a date: day, month, year. Which chunking shows the date? (a) 0402/19/59 (b) 040/219/59 (c) 04/02/1959 (d) 04/0219/59
21. 21.📅 The digits 15102007 are a date: day, month, year. Which chunking shows the date? (a) 15/1020/07 (b) 1510/20/07 (c) 151/020/07 (d) 15/10/2007
22. 22.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.📅 The digits 20012016 are a date: day, month, year. Which chunking shows the date? (a) 200/120/16 (b) 20/0120/16 (c) 20/01/2016 (d) 2001/20/16
24. 24.📅 The digits 27041992 are a date: day, month, year. Which chunking shows the date? (a) 2704/19/92 (b) 27/04/1992 (c) 27/0419/92 (d) 270/419/92
25. 25.📅 The digits 03021976 are a date: day, month, year. Which chunking shows the date? (a) 03/02/1976 (b) 030/219/76 (c) 03/0219/76 (d) 0302/19/76
26. 26.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 388907328. Which chunked version keeps every digit in the same order? (a) 388 907 382 (b) 388 890 7328 (c) 388 907 328 (d) 388 973 28
28. 28.📅 The digits 17061956 are a date: day, month, year. Which chunking shows the date? (a) 1706/19/56 (b) 17/0619/56 (c) 17/06/1956 (d) 170/619/56
29. 29.📅 The digits 08052002 are a date: day, month, year. Which chunking shows the date? (a) 0805/20/02 (b) 08/05/2002 (c) 08/0520/02 (d) 080/520/02
30. 30.🔢 You want to remember the number 553342371. Which chunked version keeps every digit in the same order? (a) 553 432 371 (b) 553 342 2371 (c) 553 323 71 (d) 553 342 371
31. 31.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 You want to remember the number 170410772. Which chunked version keeps every digit in the same order? (a) 174 107 72 (b) 170 410 772 (c) 170 411 0772 (d) 710 410 772
33. 33.📅 The digits 11032004 are a date: day, month, year. Which chunking shows the date? (a) 1103/20/04 (b) 110/320/04 (c) 11/03/2004 (d) 11/0320/04
34. 34.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
35. 35.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it has fewer digits (c) it is a smaller number (d) it is printed bigger
36. 36.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
38. 38.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
39. 39.🔢 You want to remember the number 767716912. Which chunked version keeps every digit in the same order? (a) 767 716 12 (b) 767 716 912 (c) 767 716 921 (d) 767 716 9122
40. 40.🔢 You want to remember the number 2919857865. Which chunked version keeps every digit in the same order? (a) 291 987 865 (b) 219 985 7865 (c) 291 985 7865 (d) 291 988 57865

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