Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 902 · 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.📅 The digits 15111997 are a date: day, month, year. Which chunking shows the date? (a) 15/11/1997 (b) 1511/19/97 (c) 151/119/97 (d) 15/1119/97
2. 2.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) means something to you (d) changes daily
3. 3.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
4. 4.📅 The digits 11021980 are a date: day, month, year. Which chunking shows the date? (a) 110/219/80 (b) 1102/19/80 (c) 11/0219/80 (d) 11/02/1980
5. 5.🔢 You want to remember the number 351404288. Which chunked version keeps every digit in the same order? (a) 351 404 288 (b) 351 044 288 (c) 351 404 28 (d) 351 400 4288
6. 6.📅 The digits 27072014 are a date: day, month, year. Which chunking shows the date? (a) 27/0720/14 (b) 27/07/2014 (c) 270/720/14 (d) 2707/20/14
7. 7.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) reading very fast (d) writing it twice
8. 8.🔢 You want to remember the number 5712716510. Which chunked version keeps every digit in the same order? (a) 571 271 5610 (b) 571 271 6510 (c) 572 716 510 (d) 571 271 65100
9. 9.📅 The digits 02111994 are a date: day, month, year. Which chunking shows the date? (a) 02/11/1994 (b) 02/1119/94 (c) 021/119/94 (d) 0211/19/94
10. 10.🔢 You want to remember the number 9459878347. Which chunked version keeps every digit in the same order? (a) 945 987 8347 (b) 944 598 78347 (c) 945 988 347 (d) 945 987 3847
11. 11.🔢 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
12. 12.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.📅 The digits 12111994 are a date: day, month, year. Which chunking shows the date? (a) 12/11/1994 (b) 1211/19/94 (c) 12/1119/94 (d) 121/119/94
14. 14.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.📅 The digits 11101985 are a date: day, month, year. Which chunking shows the date? (a) 11/1019/85 (b) 111/019/85 (c) 11/10/1985 (d) 1110/19/85
16. 16.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) three chunks, not ten (c) it is printed bigger (d) it is a smaller number
17. 17.🔢 You want to remember the number 890454103178. Which chunked version keeps every digit in the same order? (a) 8940 5410 3178 (b) 8904 5410 31178 (c) 8045 4103 178 (d) 8904 5410 3178
18. 18.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
19. 19.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 438139560012. Which chunked version keeps every digit in the same order? (a) 4381 3956 0012 (b) 4381 9356 0012 (c) 4313 9560 012 (d) 4338 1395 60012
21. 21.📅 The digits 16011989 are a date: day, month, year. Which chunking shows the date? (a) 16/01/1989 (b) 1601/19/89 (c) 160/119/89 (d) 16/0119/89
22. 22.🔢 You want to remember the number 172272161216. Which chunked version keeps every digit in the same order? (a) 1727 2216 1216 (b) 1722 7216 1216 (c) 1722 7216 216 (d) 1172 2721 61216
23. 23.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 553736638. Which chunked version keeps every digit in the same order? (a) 557 336 638 (b) 555 373 6638 (c) 553 736 638 (d) 553 736 38
25. 25.🔢 You want to remember the number 353810614498. Which chunked version keeps every digit in the same order? (a) 3538 0614 498 (b) 3533 8106 14498 (c) 3538 1061 4498 (d) 3538 1061 4489
26. 26.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
27. 27.📅 The digits 03041956 are a date: day, month, year. Which chunking shows the date? (a) 03/04/1956 (b) 0304/19/56 (c) 030/419/56 (d) 03/0419/56
28. 28.📅 The digits 14082022 are a date: day, month, year. Which chunking shows the date? (a) 140/820/22 (b) 1408/20/22 (c) 14/08/2022 (d) 14/0820/22
29. 29.🔢 You want to remember the number 323394275043. Which chunked version keeps every digit in the same order? (a) 3233 9427 5043 (b) 3233 9425 7043 (c) 3233 9427 043 (d) 3233 9422 75043
30. 30.📅 The digits 12012000 are a date: day, month, year. Which chunking shows the date? (a) 12/01/2000 (b) 1201/20/00 (c) 12/0120/00 (d) 120/120/00
31. 31.🔢 You want to remember the number 613017091544. Which chunked version keeps every digit in the same order? (a) 6130 1709 15544 (b) 6130 7091 544 (c) 6130 1709 1454 (d) 6130 1709 1544
32. 32.📅 The digits 13041993 are a date: day, month, year. Which chunking shows the date? (a) 1304/19/93 (b) 13/04/1993 (c) 13/0419/93 (d) 130/419/93
33. 33.🔢 You want to remember the number 9240282996. Which chunked version keeps every digit in the same order? (a) 924 022 82996 (b) 924 028 9296 (c) 924 022 996 (d) 924 028 2996
34. 34.📅 The digits 03012008 are a date: day, month, year. Which chunking shows the date? (a) 0301/20/08 (b) 030/120/08 (c) 03/0120/08 (d) 03/01/2008
35. 35.🔢 You want to remember the number 9612409805. Which chunked version keeps every digit in the same order? (a) 961 204 9805 (b) 961 409 805 (c) 961 240 9805 (d) 961 240 98805
36. 36.🔢 You want to remember the number 939363448623. Which chunked version keeps every digit in the same order? (a) 9396 3344 8623 (b) 9393 6634 48623 (c) 9393 3448 623 (d) 9393 6344 8623
37. 37.📅 The digits 01021973 are a date: day, month, year. Which chunking shows the date? (a) 0102/19/73 (b) 01/0219/73 (c) 010/219/73 (d) 01/02/1973
38. 38.📅 The digits 11052007 are a date: day, month, year. Which chunking shows the date? (a) 1105/20/07 (b) 110/520/07 (c) 11/0520/07 (d) 11/05/2007
39. 39.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
40. 40.📅 The digits 05101957 are a date: day, month, year. Which chunking shows the date? (a) 0510/19/57 (b) 05/1019/57 (c) 051/019/57 (d) 05/10/1957

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