Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 551 · 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) it has fewer digits (c) it is a smaller number (d) three chunks, not ten
2. 2.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
3. 3.🔢 You want to remember the number 461946612465. Which chunked version keeps every digit in the same order? (a) 4461 9466 12465 (b) 4619 4661 2645 (c) 4619 4661 245 (d) 4619 4661 2465
4. 4.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) only numbers (d) numbers and letter lists
5. 5.🔢 You want to remember the number 7766343545. Which chunked version keeps every digit in the same order? (a) 766 343 545 (b) 776 634 35445 (c) 776 634 3545 (d) 776 643 3545
6. 6.🔢 You want to remember the number 581079408414. Which chunked version keeps every digit in the same order? (a) 5810 7490 8414 (b) 5810 7940 8414 (c) 5810 7940 84144 (d) 5810 7940 841
7. 7.📅 The digits 20051956 are a date: day, month, year. Which chunking shows the date? (a) 200/519/56 (b) 20/0519/56 (c) 2005/19/56 (d) 20/05/1956
8. 8.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) saying it backwards (d) writing it twice
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 1 9 4 7 (c) 19 and 47 (d) 194 and 7
10. 10.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) has no pattern (d) means something to you
11. 11.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
12. 12.🔢 You want to remember the number 453419506. Which chunked version keeps every digit in the same order? (a) 453 195 06 (b) 453 419 506 (c) 455 341 9506 (d) 453 415 906
13. 13.🔢 You want to remember the number 9555294084. Which chunked version keeps every digit in the same order? (a) 955 529 484 (b) 955 529 40084 (c) 955 529 4084 (d) 955 592 4084
14. 14.📅 The digits 03061959 are a date: day, month, year. Which chunking shows the date? (a) 03/0619/59 (b) 0306/19/59 (c) 03/06/1959 (d) 030/619/59
15. 15.🔢 You want to remember the number 8111470987. Which chunked version keeps every digit in the same order? (a) 811 147 00987 (b) 811 147 0987 (c) 111 470 987 (d) 181 147 0987
16. 16.🔢 You want to remember the number 751082191518. Which chunked version keeps every digit in the same order? (a) 7510 8221 91518 (b) 7510 8129 1518 (c) 7510 8219 1518 (d) 5108 2191 518
17. 17.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 129188381. Which chunked version keeps every digit in the same order? (a) 129 188 381 (b) 129 883 81 (c) 122 918 8381 (d) 129 818 381
20. 20.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 285289106. Which chunked version keeps every digit in the same order? (a) 258 289 106 (b) 285 289 106 (c) 285 289 1006 (d) 285 289 10
23. 23.🔢 You want to remember the number 7950299087. Which chunked version keeps every digit in the same order? (a) 779 502 99087 (b) 795 029 087 (c) 795 029 9087 (d) 790 529 9087
24. 24.🔢 You want to remember the number 710214851. Which chunked version keeps every digit in the same order? (a) 710 214 851 (b) 710 214 8851 (c) 710 148 51 (d) 170 214 851
25. 25.📅 The digits 05052017 are a date: day, month, year. Which chunking shows the date? (a) 05/05/2017 (b) 050/520/17 (c) 0505/20/17 (d) 05/0520/17
26. 26.🔢 You want to remember the number 5907353724. Which chunked version keeps every digit in the same order? (a) 590 735 3724 (b) 590 735 37224 (c) 590 733 724 (d) 597 035 3724
27. 27.🔢 You want to remember the number 256377137. Which chunked version keeps every digit in the same order? (a) 256 377 137 (b) 225 637 7137 (c) 256 377 13 (d) 253 677 137
28. 28.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 403726581. Which chunked version keeps every digit in the same order? (a) 403 726 581 (b) 403 772 6581 (c) 403 726 518 (d) 403 725 81
30. 30.📅 The digits 06092010 are a date: day, month, year. Which chunking shows the date? (a) 0609/20/10 (b) 06/09/2010 (c) 060/920/10 (d) 06/0920/10
31. 31.🔢 You want to remember the number 284001663. Which chunked version keeps every digit in the same order? (a) 284 001 663 (b) 284 400 1663 (c) 248 001 663 (d) 280 016 63
32. 32.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 2231211032. Which chunked version keeps every digit in the same order? (a) 223 121 1032 (b) 223 121 1302 (c) 223 112 11032 (d) 231 211 032
34. 34.📅 The digits 23031994 are a date: day, month, year. Which chunking shows the date? (a) 23/0319/94 (b) 2303/19/94 (c) 230/319/94 (d) 23/03/1994
35. 35.🔢 You want to remember the number 7664010335. Which chunked version keeps every digit in the same order? (a) 766 401 335 (b) 766 401 0335 (c) 766 400 10335 (d) 766 401 3035
36. 36.📅 The digits 23011957 are a date: day, month, year. Which chunking shows the date? (a) 23/01/1957 (b) 230/119/57 (c) 2301/19/57 (d) 23/0119/57
37. 37.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
38. 38.📅 The digits 08102011 are a date: day, month, year. Which chunking shows the date? (a) 0810/20/11 (b) 081/020/11 (c) 08/1020/11 (d) 08/10/2011
39. 39.🔢 You want to remember the number 486885128593. Which chunked version keeps every digit in the same order? (a) 4868 8512 8953 (b) 4868 8512 88593 (c) 4868 8512 8593 (d) 4868 5128 593
40. 40.🔢 You want to remember the number 164850340755. Which chunked version keeps every digit in the same order? (a) 1648 5034 07555 (b) 1685 0340 755 (c) 1648 5034 0755 (d) 1648 5304 0755

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