Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 894 · 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 316328529. Which chunked version keeps every digit in the same order? (a) 316 328 529 (b) 316 632 8529 (c) 163 285 29 (d) 316 328 592
2. 2.🔢 You want to remember the number 504099651. Which chunked version keeps every digit in the same order? (a) 040 996 51 (b) 504 096 951 (c) 504 099 9651 (d) 504 099 651
3. 3.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.📅 The digits 17071974 are a date: day, month, year. Which chunking shows the date? (a) 170/719/74 (b) 1707/19/74 (c) 17/07/1974 (d) 17/0719/74
5. 5.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) reading very fast (d) saying it backwards
6. 6.🔢 You want to remember the number 156380020292. Which chunked version keeps every digit in the same order? (a) 1156 3800 20292 (b) 1563 8002 0292 (c) 1538 0020 292 (d) 1536 8002 0292
7. 7.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 972819906. Which chunked version keeps every digit in the same order? (a) 972 281 9906 (b) 792 819 906 (c) 728 199 06 (d) 972 819 906
9. 9.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
10. 10.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
11. 11.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
12. 12.🔢 You want to remember the number 962241857. Which chunked version keeps every digit in the same order? (a) 962 241 1857 (b) 962 241 857 (c) 962 241 85 (d) 962 214 857
13. 13.🔢 You want to remember the number 7414227828. Which chunked version keeps every digit in the same order? (a) 741 422 788 (b) 741 422 27828 (c) 714 422 7828 (d) 741 422 7828
14. 14.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
16. 16.📅 The digits 26082004 are a date: day, month, year. Which chunking shows the date? (a) 26/08/2004 (b) 2608/20/04 (c) 26/0820/04 (d) 260/820/04
17. 17.📅 The digits 05081969 are a date: day, month, year. Which chunking shows the date? (a) 0508/19/69 (b) 05/08/1969 (c) 05/0819/69 (d) 050/819/69
18. 18.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 443762502151. Which chunked version keeps every digit in the same order? (a) 4376 2502 151 (b) 4437 6520 2151 (c) 4437 6250 2151 (d) 4437 6225 02151
21. 21.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 19 and 47 (d) 1 and 947
22. 22.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
23. 23.📅 The digits 11091968 are a date: day, month, year. Which chunking shows the date? (a) 11/0919/68 (b) 11/09/1968 (c) 110/919/68 (d) 1109/19/68
24. 24.📅 The digits 09031995 are a date: day, month, year. Which chunking shows the date? (a) 090/319/95 (b) 09/0319/95 (c) 0903/19/95 (d) 09/03/1995
25. 25.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) three chunks, not ten (d) it is printed bigger
26. 26.📅 The digits 18031966 are a date: day, month, year. Which chunking shows the date? (a) 18/0319/66 (b) 180/319/66 (c) 1803/19/66 (d) 18/03/1966
27. 27.🔢 You want to remember the number 329388017. Which chunked version keeps every digit in the same order? (a) 323 880 17 (b) 329 388 8017 (c) 239 388 017 (d) 329 388 017
28. 28.📅 The digits 26121966 are a date: day, month, year. Which chunking shows the date? (a) 261/219/66 (b) 2612/19/66 (c) 26/1219/66 (d) 26/12/1966
29. 29.📅 The digits 21072011 are a date: day, month, year. Which chunking shows the date? (a) 210/720/11 (b) 21/0720/11 (c) 21/07/2011 (d) 2107/20/11
30. 30.📅 The digits 03041967 are a date: day, month, year. Which chunking shows the date? (a) 03/04/1967 (b) 0304/19/67 (c) 03/0419/67 (d) 030/419/67
31. 31.📅 The digits 28081993 are a date: day, month, year. Which chunking shows the date? (a) 28/0819/93 (b) 280/819/93 (c) 2808/19/93 (d) 28/08/1993
32. 32.📅 The digits 18072004 are a date: day, month, year. Which chunking shows the date? (a) 18/07/2004 (b) 18/0720/04 (c) 1807/20/04 (d) 180/720/04
33. 33.🔢 You want to remember the number 4085061426. Which chunked version keeps every digit in the same order? (a) 400 850 61426 (b) 048 506 1426 (c) 408 561 426 (d) 408 506 1426
34. 34.📅 The digits 25101998 are a date: day, month, year. Which chunking shows the date? (a) 25/1019/98 (b) 25/10/1998 (c) 251/019/98 (d) 2510/19/98
35. 35.📅 The digits 20041976 are a date: day, month, year. Which chunking shows the date? (a) 2004/19/76 (b) 20/04/1976 (c) 200/419/76 (d) 20/0419/76
36. 36.📅 The digits 08042024 are a date: day, month, year. Which chunking shows the date? (a) 0804/20/24 (b) 08/04/2024 (c) 080/420/24 (d) 08/0420/24
37. 37.🔢 You want to remember the number 220640795442. Which chunked version keeps every digit in the same order? (a) 2206 4075 9442 (b) 2206 4079 5442 (c) 2206 4407 95442 (d) 2206 4079 542
38. 38.📅 The digits 28011969 are a date: day, month, year. Which chunking shows the date? (a) 2801/19/69 (b) 280/119/69 (c) 28/0119/69 (d) 28/01/1969
39. 39.📅 The digits 20091976 are a date: day, month, year. Which chunking shows the date? (a) 20/09/1976 (b) 2009/19/76 (c) 20/0919/76 (d) 200/919/76
40. 40.📅 The digits 24051989 are a date: day, month, year. Which chunking shows the date? (a) 24/05/1989 (b) 24/0519/89 (c) 240/519/89 (d) 2405/19/89

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