Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 501 · 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 313173721930. Which chunked version keeps every digit in the same order? (a) 3131 7372 1930 (b) 3313 1737 21930 (c) 3131 7372 130 (d) 3131 7371 2930
2. 2.📅 The digits 16061963 are a date: day, month, year. Which chunking shows the date? (a) 1606/19/63 (b) 16/0619/63 (c) 16/06/1963 (d) 160/619/63
3. 3.🔢 You want to remember the number 905720265. Which chunked version keeps every digit in the same order? (a) 905 722 0265 (b) 095 720 265 (c) 905 720 265 (d) 905 702 65
4. 4.📅 The digits 08092023 are a date: day, month, year. Which chunking shows the date? (a) 080/920/23 (b) 08/0920/23 (c) 0809/20/23 (d) 08/09/2023
5. 5.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 271385948470. Which chunked version keeps every digit in the same order? (a) 2718 3594 8470 (b) 2713 8594 8470 (c) 2138 5948 470 (d) 2713 8559 48470
7. 7.🔢 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
8. 8.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
9. 9.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
10. 10.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
11. 11.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
12. 12.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
13. 13.📅 The digits 18091985 are a date: day, month, year. Which chunking shows the date? (a) 1809/19/85 (b) 18/09/1985 (c) 180/919/85 (d) 18/0919/85
14. 14.🔢 You want to remember the number 983952253071. Which chunked version keeps every digit in the same order? (a) 9833 9522 53071 (b) 8395 2253 071 (c) 9839 5225 3071 (d) 9839 5225 0371
15. 15.🔢 You want to remember the number 629760849. Which chunked version keeps every digit in the same order? (a) 297 608 49 (b) 269 760 849 (c) 662 976 0849 (d) 629 760 849
16. 16.📅 The digits 06041959 are a date: day, month, year. Which chunking shows the date? (a) 060/419/59 (b) 06/04/1959 (c) 06/0419/59 (d) 0604/19/59
17. 17.🔢 You want to remember the number 690109332. Which chunked version keeps every digit in the same order? (a) 690 109 3332 (b) 690 109 332 (c) 690 093 32 (d) 690 190 332
18. 18.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
19. 19.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 You want to remember the number 683740991. Which chunked version keeps every digit in the same order? (a) 683 740 991 (b) 683 470 991 (c) 683 740 99 (d) 668 374 0991
21. 21.📅 The digits 02051976 are a date: day, month, year. Which chunking shows the date? (a) 02/0519/76 (b) 02/05/1976 (c) 020/519/76 (d) 0205/19/76
22. 22.🔢 You want to remember the number 1805822886. Which chunked version keeps every digit in the same order? (a) 180 582 286 (b) 180 528 2886 (c) 180 582 2886 (d) 180 558 22886
23. 23.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 107262525. Which chunked version keeps every digit in the same order? (a) 107 226 525 (b) 107 262 25 (c) 107 726 2525 (d) 107 262 525
25. 25.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.📅 The digits 28041987 are a date: day, month, year. Which chunking shows the date? (a) 280/419/87 (b) 2804/19/87 (c) 28/0419/87 (d) 28/04/1987
27. 27.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
28. 28.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 287017443. Which chunked version keeps every digit in the same order? (a) 287 071 443 (b) 270 174 43 (c) 287 017 443 (d) 287 017 4433
30. 30.🔢 You want to remember the number 811083144497. Which chunked version keeps every digit in the same order? (a) 8110 8831 44497 (b) 8110 8314 4497 (c) 8110 8344 497 (d) 8101 8314 4497
31. 31.🔢 You want to remember the number 603169695537. Which chunked version keeps every digit in the same order? (a) 0631 6969 5537 (b) 6031 6969 55537 (c) 6031 6969 557 (d) 6031 6969 5537
32. 32.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.📅 The digits 24011987 are a date: day, month, year. Which chunking shows the date? (a) 240/119/87 (b) 2401/19/87 (c) 24/01/1987 (d) 24/0119/87
34. 34.📅 The digits 17031976 are a date: day, month, year. Which chunking shows the date? (a) 17/0319/76 (b) 17/03/1976 (c) 170/319/76 (d) 1703/19/76
35. 35.🔢 You want to remember the number 362967312080. Which chunked version keeps every digit in the same order? (a) 3629 6731 20800 (b) 3629 6732 1080 (c) 3629 6712 080 (d) 3629 6731 2080
36. 36.🔢 You want to remember the number 958131968011. Which chunked version keeps every digit in the same order? (a) 9581 3168 011 (b) 9851 3196 8011 (c) 9581 3196 80011 (d) 9581 3196 8011
37. 37.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
38. 38.🔢 You want to remember the number 3731624848. Which chunked version keeps every digit in the same order? (a) 373 162 848 (b) 373 162 4848 (c) 337 162 4848 (d) 377 316 24848
39. 39.🔢 You want to remember the number 554137281. Which chunked version keeps every digit in the same order? (a) 551 437 281 (b) 555 413 7281 (c) 554 137 281 (d) 554 137 28
40. 40.🔢 You want to remember the number 607442261. Which chunked version keeps every digit in the same order? (a) 607 442 216 (b) 607 442 26 (c) 600 744 2261 (d) 607 442 261

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