Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 590 · 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 04061971 are a date: day, month, year. Which chunking shows the date? (a) 040/619/71 (b) 04/06/1971 (c) 0406/19/71 (d) 04/0619/71
2. 2.🔢 You want to remember the number 183237463242. Which chunked version keeps every digit in the same order? (a) 1823 3746 3242 (b) 1832 3763 242 (c) 1832 3746 3242 (d) 1832 3746 33242
3. 3.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 19 and 47 (d) 1 and 947
4. 4.📅 The digits 15011952 are a date: day, month, year. Which chunking shows the date? (a) 1501/19/52 (b) 15/01/1952 (c) 150/119/52 (d) 15/0119/52
5. 5.🔢 You want to remember the number 453846931271. Which chunked version keeps every digit in the same order? (a) 4538 4669 31271 (b) 4538 4693 1217 (c) 4538 4631 271 (d) 4538 4693 1271
6. 6.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) three chunks, not ten (d) it is a smaller number
7. 7.📅 The digits 24111975 are a date: day, month, year. Which chunking shows the date? (a) 241/119/75 (b) 2411/19/75 (c) 24/1119/75 (d) 24/11/1975
8. 8.📅 The digits 27071952 are a date: day, month, year. Which chunking shows the date? (a) 2707/19/52 (b) 270/719/52 (c) 27/0719/52 (d) 27/07/1952
9. 9.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 A chunk is easiest to keep when it… (a) changes daily (b) has no pattern (c) means something to you (d) is very long
11. 11.🔢 You want to remember the number 727886783. Which chunked version keeps every digit in the same order? (a) 727 886 783 (b) 772 886 783 (c) 778 867 83 (d) 727 886 7783
12. 12.🔢 You want to remember the number 109432683529. Which chunked version keeps every digit in the same order? (a) 1094 3268 3529 (b) 1094 3266 83529 (c) 0943 2683 529 (d) 1049 3268 3529
13. 13.📅 The digits 07021969 are a date: day, month, year. Which chunking shows the date? (a) 070/219/69 (b) 0702/19/69 (c) 07/02/1969 (d) 07/0219/69
14. 14.🔢 You want to remember the number 810701588081. Which chunked version keeps every digit in the same order? (a) 8107 0158 8081 (b) 8810 7015 88081 (c) 8017 0158 8081 (d) 8107 1588 081
15. 15.🔢 Chunking works for… (a) only pictures (b) only numbers (c) numbers and letter lists (d) nothing at all
16. 16.🔢 You want to remember the number 8886567441. Which chunked version keeps every digit in the same order? (a) 888 656 441 (b) 888 865 67441 (c) 888 657 6441 (d) 888 656 7441
17. 17.🔢 You want to remember the number 426487924892. Which chunked version keeps every digit in the same order? (a) 4264 8792 8492 (b) 4264 8792 4892 (c) 4264 8792 48992 (d) 4264 8792 492
18. 18.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) writing it twice (d) splitting into groups
19. 19.📅 The digits 03012004 are a date: day, month, year. Which chunking shows the date? (a) 03/01/2004 (b) 030/120/04 (c) 03/0120/04 (d) 0301/20/04
20. 20.📅 The digits 15121951 are a date: day, month, year. Which chunking shows the date? (a) 15/12/1951 (b) 15/1219/51 (c) 1512/19/51 (d) 151/219/51
21. 21.📅 The digits 25102025 are a date: day, month, year. Which chunking shows the date? (a) 2510/20/25 (b) 251/020/25 (c) 25/10/2025 (d) 25/1020/25
22. 22.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
24. 24.📅 The digits 20091970 are a date: day, month, year. Which chunking shows the date? (a) 200/919/70 (b) 20/0919/70 (c) 20/09/1970 (d) 2009/19/70
25. 25.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.📅 The digits 13031977 are a date: day, month, year. Which chunking shows the date? (a) 13/03/1977 (b) 130/319/77 (c) 1303/19/77 (d) 13/0319/77
27. 27.📅 The digits 05041956 are a date: day, month, year. Which chunking shows the date? (a) 05/0419/56 (b) 050/419/56 (c) 0504/19/56 (d) 05/04/1956
28. 28.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.📅 The digits 27051983 are a date: day, month, year. Which chunking shows the date? (a) 270/519/83 (b) 27/0519/83 (c) 27/05/1983 (d) 2705/19/83
30. 30.🔢 You want to remember the number 2417455744. Which chunked version keeps every digit in the same order? (a) 241 455 744 (b) 241 745 5744 (c) 241 744 55744 (d) 247 145 5744
31. 31.🔢 You want to remember the number 157685189522. Which chunked version keeps every digit in the same order? (a) 1756 8518 9522 (b) 1568 5189 522 (c) 1576 8518 9522 (d) 1576 8518 99522
32. 32.🔢 You want to remember the number 696309110. Which chunked version keeps every digit in the same order? (a) 696 091 10 (b) 696 309 110 (c) 693 609 110 (d) 696 309 1100
33. 33.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.📅 The digits 28041983 are a date: day, month, year. Which chunking shows the date? (a) 280/419/83 (b) 28/0419/83 (c) 2804/19/83 (d) 28/04/1983
35. 35.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
36. 36.🔢 You want to remember the number 1604252318. Which chunked version keeps every digit in the same order? (a) 160 422 318 (b) 160 422 52318 (c) 610 425 2318 (d) 160 425 2318
37. 37.🔢 You want to remember the number 755192266. Which chunked version keeps every digit in the same order? (a) 755 129 266 (b) 755 192 2266 (c) 755 192 266 (d) 755 122 66
38. 38.📅 The digits 12112018 are a date: day, month, year. Which chunking shows the date? (a) 12/11/2018 (b) 12/1120/18 (c) 121/120/18 (d) 1211/20/18
39. 39.📅 The digits 09041953 are a date: day, month, year. Which chunking shows the date? (a) 090/419/53 (b) 09/0419/53 (c) 09/04/1953 (d) 0904/19/53
40. 40.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?

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