Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 610 · 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 5305922975. Which chunked version keeps every digit in the same order? (a) 530 592 297 (b) 530 592 29975 (c) 535 092 2975 (d) 530 592 2975
2. 2.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
3. 3.📅 The digits 18051964 are a date: day, month, year. Which chunking shows the date? (a) 18/0519/64 (b) 18/05/1964 (c) 180/519/64 (d) 1805/19/64
4. 4.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
5. 5.📅 The digits 23022021 are a date: day, month, year. Which chunking shows the date? (a) 230/220/21 (b) 23/0220/21 (c) 23/02/2021 (d) 2302/20/21
6. 6.🔢 You want to remember the number 661526855. Which chunked version keeps every digit in the same order? (a) 661 526 585 (b) 615 268 55 (c) 661 526 855 (d) 666 152 6855
7. 7.🔢 You want to remember the number 616881492461. Which chunked version keeps every digit in the same order? (a) 6168 8149 2461 (b) 6168 8194 2461 (c) 6168 8814 92461 (d) 6168 8149 241
8. 8.📅 The digits 01021964 are a date: day, month, year. Which chunking shows the date? (a) 010/219/64 (b) 01/0219/64 (c) 01/02/1964 (d) 0102/19/64
9. 9.🔢 You want to remember the number 381912156. Which chunked version keeps every digit in the same order? (a) 338 191 2156 (b) 381 912 156 (c) 381 912 165 (d) 319 121 56
10. 10.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) saying it backwards (d) splitting into groups
11. 11.🔢 You want to remember the number 1335613140. Which chunked version keeps every digit in the same order? (a) 133 561 3140 (b) 133 561 31400 (c) 133 561 340 (d) 135 361 3140
12. 12.📅 The digits 05011964 are a date: day, month, year. Which chunking shows the date? (a) 05/0119/64 (b) 050/119/64 (c) 0501/19/64 (d) 05/01/1964
13. 13.🔢 You want to remember the number 4555402033. Which chunked version keeps every digit in the same order? (a) 455 554 02033 (b) 455 540 233 (c) 455 540 2033 (d) 455 450 2033
14. 14.📅 The digits 08021992 are a date: day, month, year. Which chunking shows the date? (a) 0802/19/92 (b) 08/0219/92 (c) 08/02/1992 (d) 080/219/92
15. 15.🔢 You want to remember the number 6199067779. Which chunked version keeps every digit in the same order? (a) 619 990 67779 (b) 619 907 6779 (c) 619 906 777 (d) 619 906 7779
16. 16.📅 The digits 13092020 are a date: day, month, year. Which chunking shows the date? (a) 1309/20/20 (b) 13/0920/20 (c) 13/09/2020 (d) 130/920/20
17. 17.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) nothing at all (d) only pictures
19. 19.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 9 4 7 (c) 1 and 947 (d) 194 and 7
22. 22.📅 The digits 11031955 are a date: day, month, year. Which chunking shows the date? (a) 110/319/55 (b) 1103/19/55 (c) 11/0319/55 (d) 11/03/1955
23. 23.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
24. 24.📅 The digits 27032021 are a date: day, month, year. Which chunking shows the date? (a) 2703/20/21 (b) 27/03/2021 (c) 27/0320/21 (d) 270/320/21
25. 25.📅 The digits 24041965 are a date: day, month, year. Which chunking shows the date? (a) 24/04/1965 (b) 240/419/65 (c) 2404/19/65 (d) 24/0419/65
26. 26.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 5528171280. Which chunked version keeps every digit in the same order? (a) 552 817 12280 (b) 525 817 1280 (c) 552 817 1280 (d) 558 171 280
28. 28.📅 The digits 01071999 are a date: day, month, year. Which chunking shows the date? (a) 01/07/1999 (b) 01/0719/99 (c) 010/719/99 (d) 0107/19/99
29. 29.📅 The digits 09062000 are a date: day, month, year. Which chunking shows the date? (a) 090/620/00 (b) 09/06/2000 (c) 09/0620/00 (d) 0906/20/00
30. 30.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.📅 The digits 14071950 are a date: day, month, year. Which chunking shows the date? (a) 1407/19/50 (b) 140/719/50 (c) 14/07/1950 (d) 14/0719/50
32. 32.📅 The digits 15042012 are a date: day, month, year. Which chunking shows the date? (a) 1504/20/12 (b) 15/0420/12 (c) 150/420/12 (d) 15/04/2012
33. 33.🔢 You want to remember the number 1710021920. Which chunked version keeps every digit in the same order? (a) 171 002 1920 (b) 171 000 21920 (c) 171 002 190 (d) 171 002 1290
34. 34.🔢 You want to remember the number 3451611393. Which chunked version keeps every digit in the same order? (a) 345 161 1393 (b) 341 561 1393 (c) 345 161 133 (d) 345 161 11393
35. 35.🔢 You want to remember the number 455012087. Which chunked version keeps every digit in the same order? (a) 455 012 0887 (b) 455 012 087 (c) 455 012 078 (d) 455 010 87
36. 36.🔢 You want to remember the number 989471217701. Which chunked version keeps every digit in the same order? (a) 9894 7121 7701 (b) 9847 1217 701 (c) 9894 7127 1701 (d) 9894 7121 77701
37. 37.📅 The digits 19012024 are a date: day, month, year. Which chunking shows the date? (a) 1901/20/24 (b) 190/120/24 (c) 19/01/2024 (d) 19/0120/24
38. 38.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
39. 39.📅 The digits 08061974 are a date: day, month, year. Which chunking shows the date? (a) 0806/19/74 (b) 08/06/1974 (c) 08/0619/74 (d) 080/619/74
40. 40.📅 The digits 28031977 are a date: day, month, year. Which chunking shows the date? (a) 280/319/77 (b) 2803/19/77 (c) 28/03/1977 (d) 28/0319/77

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