Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 141 · 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.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) reading very fast (d) writing it twice
2. 2.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) only numbers (d) nothing at all
3. 3.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
4. 4.📅 The digits 24031975 are a date: day, month, year. Which chunking shows the date? (a) 24/03/1975 (b) 2403/19/75 (c) 240/319/75 (d) 24/0319/75
5. 5.🔢 A chunk is easiest to keep when it… (a) means something to you (b) changes daily (c) has no pattern (d) is very long
6. 6.🔢 You want to remember the number 1607725485. Which chunked version keeps every digit in the same order? (a) 160 772 5458 (b) 160 772 54885 (c) 607 725 485 (d) 160 772 5485
7. 7.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 1 and 947 (d) 19 and 47
8. 8.🔢 You want to remember the number 513941883. Which chunked version keeps every digit in the same order? (a) 539 418 83 (b) 513 941 838 (c) 513 994 1883 (d) 513 941 883
9. 9.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 You want to remember the number 359976276. Which chunked version keeps every digit in the same order? (a) 395 976 276 (b) 359 762 76 (c) 335 997 6276 (d) 359 976 276
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) it has fewer digits (d) three chunks, not ten
12. 12.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.📅 The digits 13092007 are a date: day, month, year. Which chunking shows the date? (a) 1309/20/07 (b) 13/09/2007 (c) 13/0920/07 (d) 130/920/07
14. 14.🔢 You want to remember the number 367269219215. Which chunked version keeps every digit in the same order? (a) 3672 6921 9251 (b) 3672 6921 921 (c) 3667 2692 19215 (d) 3672 6921 9215
15. 15.📅 The digits 03021953 are a date: day, month, year. Which chunking shows the date? (a) 030/219/53 (b) 03/0219/53 (c) 03/02/1953 (d) 0302/19/53
16. 16.🔢 You want to remember the number 630146561. Which chunked version keeps every digit in the same order? (a) 630 146 561 (b) 633 014 6561 (c) 630 146 61 (d) 630 164 561
17. 17.📅 The digits 03121992 are a date: day, month, year. Which chunking shows the date? (a) 0312/19/92 (b) 03/1219/92 (c) 031/219/92 (d) 03/12/1992
18. 18.📅 The digits 25111992 are a date: day, month, year. Which chunking shows the date? (a) 251/119/92 (b) 2511/19/92 (c) 25/1119/92 (d) 25/11/1992
19. 19.📅 The digits 03061956 are a date: day, month, year. Which chunking shows the date? (a) 0306/19/56 (b) 03/0619/56 (c) 03/06/1956 (d) 030/619/56
20. 20.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 6196155488. Which chunked version keeps every digit in the same order? (a) 169 615 5488 (b) 619 615 54888 (c) 619 615 5488 (d) 696 155 488
22. 22.🔢 You want to remember the number 222510463. Which chunked version keeps every digit in the same order? (a) 222 501 463 (b) 222 510 463 (c) 222 510 4463 (d) 222 504 63
23. 23.📅 The digits 07041979 are a date: day, month, year. Which chunking shows the date? (a) 07/0419/79 (b) 070/419/79 (c) 07/04/1979 (d) 0704/19/79
24. 24.📅 The digits 15012013 are a date: day, month, year. Which chunking shows the date? (a) 15/0120/13 (b) 150/120/13 (c) 1501/20/13 (d) 15/01/2013
25. 25.🔢 You want to remember the number 8850531548. Which chunked version keeps every digit in the same order? (a) 880 531 548 (b) 885 053 15548 (c) 885 035 1548 (d) 885 053 1548
26. 26.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 7352859950. Which chunked version keeps every digit in the same order? (a) 735 285 59950 (b) 735 285 995 (c) 735 285 9950 (d) 735 285 9905
28. 28.🔢 You want to remember the number 225718242. Which chunked version keeps every digit in the same order? (a) 225 781 242 (b) 225 718 22 (c) 225 718 2442 (d) 225 718 242
29. 29.📅 The digits 27071997 are a date: day, month, year. Which chunking shows the date? (a) 2707/19/97 (b) 270/719/97 (c) 27/0719/97 (d) 27/07/1997
30. 30.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.🔢 You want to remember the number 759282226783. Which chunked version keeps every digit in the same order? (a) 7592 8226 2783 (b) 7592 2226 783 (c) 7599 2822 26783 (d) 7592 8222 6783
32. 32.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
33. 33.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
34. 34.📅 The digits 15091963 are a date: day, month, year. Which chunking shows the date? (a) 150/919/63 (b) 1509/19/63 (c) 15/0919/63 (d) 15/09/1963
35. 35.📅 The digits 07031994 are a date: day, month, year. Which chunking shows the date? (a) 07/0319/94 (b) 0703/19/94 (c) 07/03/1994 (d) 070/319/94
36. 36.🔢 You want to remember the number 864063729. Which chunked version keeps every digit in the same order? (a) 846 063 729 (b) 640 637 29 (c) 864 063 729 (d) 864 063 7299
37. 37.🔢 You want to remember the number 469301438140. Which chunked version keeps every digit in the same order? (a) 4693 0148 3140 (b) 4690 1438 140 (c) 4693 0144 38140 (d) 4693 0143 8140
38. 38.🔢 You want to remember the number 3699385524. Which chunked version keeps every digit in the same order? (a) 369 385 524 (b) 639 938 5524 (c) 369 933 85524 (d) 369 938 5524
39. 39.🔢 You want to remember the number 600377992. Which chunked version keeps every digit in the same order? (a) 660 037 7992 (b) 600 377 929 (c) 600 377 992 (d) 600 377 92
40. 40.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?

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