Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 826 · 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) reading very fast (c) writing it twice (d) saying it backwards
2. 2.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.🔢 You want to remember the number 3626821344. Which chunked version keeps every digit in the same order? (a) 632 682 1344 (b) 362 668 21344 (c) 362 682 144 (d) 362 682 1344
4. 4.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it is a smaller number (d) it has fewer digits
5. 5.📅 The digits 23031960 are a date: day, month, year. Which chunking shows the date? (a) 2303/19/60 (b) 23/0319/60 (c) 23/03/1960 (d) 230/319/60
6. 6.🔢 A chunk is easiest to keep when it… (a) is very long (b) means something to you (c) changes daily (d) has no pattern
7. 7.📅 The digits 08012025 are a date: day, month, year. Which chunking shows the date? (a) 08/0120/25 (b) 080/120/25 (c) 08/01/2025 (d) 0801/20/25
8. 8.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
9. 9.📅 The digits 16011982 are a date: day, month, year. Which chunking shows the date? (a) 16/01/1982 (b) 1601/19/82 (c) 16/0119/82 (d) 160/119/82
10. 10.🔢 You want to remember the number 759846205105. Which chunked version keeps every digit in the same order? (a) 7598 4620 5015 (b) 7598 4620 5105 (c) 7598 4620 55105 (d) 7598 6205 105
11. 11.🔢 You want to remember the number 662878673. Which chunked version keeps every digit in the same order? (a) 662 878 673 (b) 662 886 73 (c) 662 878 6673 (d) 662 887 673
12. 12.📅 The digits 23071995 are a date: day, month, year. Which chunking shows the date? (a) 2307/19/95 (b) 23/0719/95 (c) 23/07/1995 (d) 230/719/95
13. 13.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 976807002039. Which chunked version keeps every digit in the same order? (a) 9768 0700 209 (b) 9768 8070 02039 (c) 9768 0700 0239 (d) 9768 0700 2039
15. 15.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 194 and 7 (d) 1 and 947
16. 16.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
17. 17.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.📅 The digits 06052007 are a date: day, month, year. Which chunking shows the date? (a) 06/0520/07 (b) 060/520/07 (c) 06/05/2007 (d) 0605/20/07
19. 19.🔢 You want to remember the number 461511229206. Which chunked version keeps every digit in the same order? (a) 4165 1122 9206 (b) 4615 1229 206 (c) 4615 1122 9206 (d) 4615 1122 99206
20. 20.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only numbers (d) only pictures
21. 21.🔢 You want to remember the number 533597984. Which chunked version keeps every digit in the same order? (a) 553 359 7984 (b) 533 597 84 (c) 533 597 984 (d) 533 957 984
22. 22.📅 The digits 11071983 are a date: day, month, year. Which chunking shows the date? (a) 110/719/83 (b) 11/07/1983 (c) 1107/19/83 (d) 11/0719/83
23. 23.🔢 You want to remember the number 258784412499. Which chunked version keeps every digit in the same order? (a) 2587 8441 4299 (b) 2587 8444 12499 (c) 5878 4412 499 (d) 2587 8441 2499
24. 24.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.🔢 You want to remember the number 5517402314. Which chunked version keeps every digit in the same order? (a) 551 742 314 (b) 551 174 02314 (c) 551 740 2314 (d) 515 740 2314
26. 26.🔢 You want to remember the number 482928149. Which chunked version keeps every digit in the same order? (a) 482 928 149 (b) 842 928 149 (c) 448 292 8149 (d) 482 921 49
27. 27.📅 The digits 10051992 are a date: day, month, year. Which chunking shows the date? (a) 10/05/1992 (b) 1005/19/92 (c) 100/519/92 (d) 10/0519/92
28. 28.📅 The digits 09021950 are a date: day, month, year. Which chunking shows the date? (a) 09/0219/50 (b) 090/219/50 (c) 09/02/1950 (d) 0902/19/50
29. 29.📅 The digits 01061967 are a date: day, month, year. Which chunking shows the date? (a) 010/619/67 (b) 0106/19/67 (c) 01/06/1967 (d) 01/0619/67
30. 30.🔢 You want to remember the number 416683462191. Which chunked version keeps every digit in the same order? (a) 4166 8346 62191 (b) 4166 8346 2191 (c) 4616 8346 2191 (d) 4166 8346 211
31. 31.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
32. 32.📅 The digits 20041983 are a date: day, month, year. Which chunking shows the date? (a) 200/419/83 (b) 2004/19/83 (c) 20/0419/83 (d) 20/04/1983
33. 33.🔢 You want to remember the number 796797219270. Which chunked version keeps every digit in the same order? (a) 7967 9721 270 (b) 7967 9772 19270 (c) 7969 7721 9270 (d) 7967 9721 9270
34. 34.🔢 You want to remember the number 662831403. Which chunked version keeps every digit in the same order? (a) 662 831 403 (b) 628 314 03 (c) 662 381 403 (d) 662 283 1403
35. 35.🔢 You want to remember the number 5461986573. Which chunked version keeps every digit in the same order? (a) 546 196 573 (b) 546 198 86573 (c) 456 198 6573 (d) 546 198 6573
36. 36.📅 The digits 09091974 are a date: day, month, year. Which chunking shows the date? (a) 0909/19/74 (b) 090/919/74 (c) 09/0919/74 (d) 09/09/1974
37. 37.🔢 You want to remember the number 599471588106. Which chunked version keeps every digit in the same order? (a) 5994 7715 88106 (b) 5994 7185 8106 (c) 5994 7158 816 (d) 5994 7158 8106
38. 38.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
39. 39.📅 The digits 02011956 are a date: day, month, year. Which chunking shows the date? (a) 0201/19/56 (b) 02/01/1956 (c) 020/119/56 (d) 02/0119/56
40. 40.📅 The digits 28031975 are a date: day, month, year. Which chunking shows the date? (a) 280/319/75 (b) 28/03/1975 (c) 2803/19/75 (d) 28/0319/75

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