Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 622 · 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) three chunks, not ten (b) it is a smaller number (c) it is printed bigger (d) it has fewer digits
2. 2.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
3. 3.🔢 You want to remember the number 855508563082. Which chunked version keeps every digit in the same order? (a) 8555 8056 3082 (b) 8555 0856 30882 (c) 8550 8563 082 (d) 8555 0856 3082
4. 4.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
6. 6.📅 The digits 09032001 are a date: day, month, year. Which chunking shows the date? (a) 0903/20/01 (b) 09/0320/01 (c) 090/320/01 (d) 09/03/2001
7. 7.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
8. 8.📅 The digits 13112001 are a date: day, month, year. Which chunking shows the date? (a) 1311/20/01 (b) 13/11/2001 (c) 131/120/01 (d) 13/1120/01
9. 9.📅 The digits 26061983 are a date: day, month, year. Which chunking shows the date? (a) 26/0619/83 (b) 260/619/83 (c) 2606/19/83 (d) 26/06/1983
10. 10.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
11. 11.🔢 You want to remember the number 5168251064. Which chunked version keeps every digit in the same order? (a) 551 682 51064 (b) 516 825 0164 (c) 516 825 1064 (d) 516 851 064
12. 12.🔢 You want to remember the number 582607390. Which chunked version keeps every digit in the same order? (a) 582 607 390 (b) 582 607 309 (c) 582 660 7390 (d) 582 603 90
13. 13.📅 The digits 18021988 are a date: day, month, year. Which chunking shows the date? (a) 1802/19/88 (b) 180/219/88 (c) 18/0219/88 (d) 18/02/1988
14. 14.🔢 You want to remember the number 198691423. Which chunked version keeps every digit in the same order? (a) 198 691 423 (b) 198 694 123 (c) 198 691 4233 (d) 198 691 43
15. 15.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
16. 16.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
17. 17.📅 The digits 28021971 are a date: day, month, year. Which chunking shows the date? (a) 280/219/71 (b) 28/02/1971 (c) 2802/19/71 (d) 28/0219/71
18. 18.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.📅 The digits 18052006 are a date: day, month, year. Which chunking shows the date? (a) 180/520/06 (b) 1805/20/06 (c) 18/05/2006 (d) 18/0520/06
20. 20.🔢 You want to remember the number 751891660016. Which chunked version keeps every digit in the same order? (a) 7518 9166 0061 (b) 7518 9166 60016 (c) 7518 9166 0016 (d) 5189 1660 016
21. 21.📅 The digits 28011976 are a date: day, month, year. Which chunking shows the date? (a) 28/01/1976 (b) 280/119/76 (c) 28/0119/76 (d) 2801/19/76
22. 22.📅 The digits 06082021 are a date: day, month, year. Which chunking shows the date? (a) 06/0820/21 (b) 060/820/21 (c) 06/08/2021 (d) 0608/20/21
23. 23.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
24. 24.🔢 You want to remember the number 390531556464. Which chunked version keeps every digit in the same order? (a) 3390 5315 56464 (b) 3905 3155 646 (c) 3905 3155 6464 (d) 9305 3155 6464
25. 25.🔢 You want to remember the number 417659831721. Which chunked version keeps every digit in the same order? (a) 4175 6983 1721 (b) 4176 5983 1721 (c) 4176 5983 11721 (d) 4176 5983 171
26. 26.📅 The digits 22122009 are a date: day, month, year. Which chunking shows the date? (a) 22/12/2009 (b) 22/1220/09 (c) 221/220/09 (d) 2212/20/09
27. 27.🔢 You want to remember the number 100929027724. Which chunked version keeps every digit in the same order? (a) 1002 9027 724 (b) 1009 2902 7724 (c) 1009 2902 7274 (d) 1009 2902 77724
28. 28.🔢 You want to remember the number 182734417609. Which chunked version keeps every digit in the same order? (a) 1827 3441 7690 (b) 1882 7344 17609 (c) 1827 3441 7609 (d) 1827 4417 609
29. 29.📅 The digits 05011967 are a date: day, month, year. Which chunking shows the date? (a) 050/119/67 (b) 05/0119/67 (c) 0501/19/67 (d) 05/01/1967
30. 30.📅 The digits 22082024 are a date: day, month, year. Which chunking shows the date? (a) 22/0820/24 (b) 2208/20/24 (c) 220/820/24 (d) 22/08/2024
31. 31.📅 The digits 01081968 are a date: day, month, year. Which chunking shows the date? (a) 01/08/1968 (b) 01/0819/68 (c) 0108/19/68 (d) 010/819/68
32. 32.📅 The digits 09101987 are a date: day, month, year. Which chunking shows the date? (a) 0910/19/87 (b) 09/10/1987 (c) 09/1019/87 (d) 091/019/87
33. 33.🔢 You want to remember the number 691270071. Which chunked version keeps every digit in the same order? (a) 691 270 0071 (b) 691 700 71 (c) 961 270 071 (d) 691 270 071
34. 34.📅 The digits 20041971 are a date: day, month, year. Which chunking shows the date? (a) 20/0419/71 (b) 2004/19/71 (c) 20/04/1971 (d) 200/419/71
35. 35.🔢 You want to remember the number 975842639. Which chunked version keeps every digit in the same order? (a) 975 842 369 (b) 975 842 6339 (c) 975 842 39 (d) 975 842 639
36. 36.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 9 4 7 (d) 1 and 947
37. 37.📅 The digits 16032000 are a date: day, month, year. Which chunking shows the date? (a) 160/320/00 (b) 16/03/2000 (c) 1603/20/00 (d) 16/0320/00
38. 38.🔢 You want to remember the number 3527664796. Which chunked version keeps every digit in the same order? (a) 352 766 47966 (b) 352 766 4796 (c) 325 766 4796 (d) 352 766 476
39. 39.🔢 You want to remember the number 1449598561. Which chunked version keeps every digit in the same order? (a) 144 959 561 (b) 144 959 8516 (c) 144 495 98561 (d) 144 959 8561
40. 40.📅 The digits 18031963 are a date: day, month, year. Which chunking shows the date? (a) 180/319/63 (b) 1803/19/63 (c) 18/0319/63 (d) 18/03/1963

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