Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 740 · 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.🔢 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
2. 2.📅 The digits 18012022 are a date: day, month, year. Which chunking shows the date? (a) 18/01/2022 (b) 180/120/22 (c) 1801/20/22 (d) 18/0120/22
3. 3.📅 The digits 16101957 are a date: day, month, year. Which chunking shows the date? (a) 16/10/1957 (b) 161/019/57 (c) 16/1019/57 (d) 1610/19/57
4. 4.🔢 You want to remember the number 297449502. Which chunked version keeps every digit in the same order? (a) 974 495 02 (b) 294 749 502 (c) 297 449 502 (d) 297 449 5502
5. 5.📅 The digits 13031950 are a date: day, month, year. Which chunking shows the date? (a) 1303/19/50 (b) 13/0319/50 (c) 130/319/50 (d) 13/03/1950
6. 6.📅 The digits 04051961 are a date: day, month, year. Which chunking shows the date? (a) 040/519/61 (b) 04/05/1961 (c) 04/0519/61 (d) 0405/19/61
7. 7.📅 The digits 09041956 are a date: day, month, year. Which chunking shows the date? (a) 090/419/56 (b) 0904/19/56 (c) 09/0419/56 (d) 09/04/1956
8. 8.🔢 You want to remember the number 943015249728. Which chunked version keeps every digit in the same order? (a) 9430 1524 9278 (b) 9430 1524 9728 (c) 9430 1524 99728 (d) 4301 5249 728
9. 9.🔢 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
10. 10.📅 The digits 09052023 are a date: day, month, year. Which chunking shows the date? (a) 090/520/23 (b) 09/05/2023 (c) 0905/20/23 (d) 09/0520/23
11. 11.📅 The digits 06052005 are a date: day, month, year. Which chunking shows the date? (a) 06/0520/05 (b) 06/05/2005 (c) 060/520/05 (d) 0605/20/05
12. 12.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.🔢 You want to remember the number 1274180213. Which chunked version keeps every digit in the same order? (a) 127 418 213 (b) 112 741 80213 (c) 127 410 8213 (d) 127 418 0213
14. 14.📅 The digits 23022010 are a date: day, month, year. Which chunking shows the date? (a) 23/0220/10 (b) 2302/20/10 (c) 23/02/2010 (d) 230/220/10
15. 15.📅 The digits 19101974 are a date: day, month, year. Which chunking shows the date? (a) 19/10/1974 (b) 191/019/74 (c) 19/1019/74 (d) 1910/19/74
16. 16.🔢 You want to remember the number 7464742794. Which chunked version keeps every digit in the same order? (a) 746 474 42794 (b) 746 472 794 (c) 746 474 2794 (d) 746 474 2749
17. 17.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
19. 19.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.📅 The digits 14092010 are a date: day, month, year. Which chunking shows the date? (a) 1409/20/10 (b) 14/09/2010 (c) 140/920/10 (d) 14/0920/10
21. 21.📅 The digits 24011982 are a date: day, month, year. Which chunking shows the date? (a) 24/01/1982 (b) 240/119/82 (c) 24/0119/82 (d) 2401/19/82
22. 22.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.🔢 You want to remember the number 4721391322. Which chunked version keeps every digit in the same order? (a) 477 213 91322 (b) 472 191 322 (c) 742 139 1322 (d) 472 139 1322
24. 24.🔢 You want to remember the number 5408036892. Which chunked version keeps every digit in the same order? (a) 540 880 36892 (b) 540 803 6829 (c) 540 836 892 (d) 540 803 6892
25. 25.🔢 Instead of holding 8 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 192041436. Which chunked version keeps every digit in the same order? (a) 192 044 1436 (b) 920 414 36 (c) 192 041 436 (d) 192 014 436
27. 27.🔢 You want to remember the number 534645046. Which chunked version keeps every digit in the same order? (a) 534 645 0046 (b) 534 645 064 (c) 536 450 46 (d) 534 645 046
28. 28.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 395390040945. Which chunked version keeps every digit in the same order? (a) 3953 9004 0945 (b) 3953 9004 40945 (c) 9353 9004 0945 (d) 9539 0040 945
30. 30.📅 The digits 19011994 are a date: day, month, year. Which chunking shows the date? (a) 1901/19/94 (b) 19/01/1994 (c) 190/119/94 (d) 19/0119/94
31. 31.📅 The digits 08081958 are a date: day, month, year. Which chunking shows the date? (a) 080/819/58 (b) 08/08/1958 (c) 08/0819/58 (d) 0808/19/58
32. 32.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) reading very fast (d) saying it backwards
33. 33.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) means something to you (d) changes daily
34. 34.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
35. 35.🔢 You want to remember the number 272108572. Which chunked version keeps every digit in the same order? (a) 272 108 572 (b) 722 108 572 (c) 272 185 72 (d) 272 110 8572
36. 36.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 8234628027. Which chunked version keeps every digit in the same order? (a) 824 628 027 (b) 824 362 8027 (c) 823 346 28027 (d) 823 462 8027
38. 38.🔢 You want to remember the number 126817686. Which chunked version keeps every digit in the same order? (a) 128 617 686 (b) 126 681 7686 (c) 126 817 68 (d) 126 817 686
39. 39.📅 The digits 10021958 are a date: day, month, year. Which chunking shows the date? (a) 100/219/58 (b) 1002/19/58 (c) 10/02/1958 (d) 10/0219/58
40. 40.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?

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