Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 960 · 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.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 1 and 947 (c) 194 and 7 (d) 19 and 47
2. 2.📅 The digits 16042024 are a date: day, month, year. Which chunking shows the date? (a) 16/0420/24 (b) 16/04/2024 (c) 1604/20/24 (d) 160/420/24
3. 3.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) only pictures (d) nothing at all
4. 4.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) reading very fast (d) saying it backwards
5. 5.🔢 You want to remember the number 833412719. Which chunked version keeps every digit in the same order? (a) 833 412 719 (b) 833 412 179 (c) 834 127 19 (d) 833 412 7119
6. 6.📅 The digits 01071963 are a date: day, month, year. Which chunking shows the date? (a) 0107/19/63 (b) 010/719/63 (c) 01/0719/63 (d) 01/07/1963
7. 7.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
8. 8.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
9. 9.🔢 You want to remember the number 161115917894. Which chunked version keeps every digit in the same order? (a) 1611 1159 17894 (b) 1611 1591 794 (c) 1611 1591 7894 (d) 1611 1591 8794
10. 10.📅 The digits 20011999 are a date: day, month, year. Which chunking shows the date? (a) 20/0119/99 (b) 20/01/1999 (c) 2001/19/99 (d) 200/119/99
11. 11.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
12. 12.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.📅 The digits 09041986 are a date: day, month, year. Which chunking shows the date? (a) 090/419/86 (b) 09/04/1986 (c) 09/0419/86 (d) 0904/19/86
14. 14.📅 The digits 25021979 are a date: day, month, year. Which chunking shows the date? (a) 250/219/79 (b) 2502/19/79 (c) 25/0219/79 (d) 25/02/1979
15. 15.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
16. 16.🔢 You want to remember the number 313246105. Which chunked version keeps every digit in the same order? (a) 313 224 6105 (b) 313 261 05 (c) 313 426 105 (d) 313 246 105
17. 17.📅 The digits 02011950 are a date: day, month, year. Which chunking shows the date? (a) 02/0119/50 (b) 020/119/50 (c) 02/01/1950 (d) 0201/19/50
18. 18.🔢 You want to remember the number 967434182781. Which chunked version keeps every digit in the same order? (a) 9674 4318 2781 (b) 9667 4341 82781 (c) 9674 3482 781 (d) 9674 3418 2781
19. 19.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 3924818930. Which chunked version keeps every digit in the same order? (a) 392 481 89330 (b) 329 481 8930 (c) 392 481 8930 (d) 392 418 930
23. 23.📅 The digits 13061955 are a date: day, month, year. Which chunking shows the date? (a) 1306/19/55 (b) 130/619/55 (c) 13/06/1955 (d) 13/0619/55
24. 24.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.📅 The digits 21062007 are a date: day, month, year. Which chunking shows the date? (a) 210/620/07 (b) 21/06/2007 (c) 2106/20/07 (d) 21/0620/07
26. 26.📅 The digits 04101969 are a date: day, month, year. Which chunking shows the date? (a) 04/1019/69 (b) 04/10/1969 (c) 0410/19/69 (d) 041/019/69
27. 27.🔢 You want to remember the number 308108480165. Which chunked version keeps every digit in the same order? (a) 3088 1084 80165 (b) 0381 0848 0165 (c) 3081 0848 0165 (d) 3010 8480 165
28. 28.📅 The digits 02041978 are a date: day, month, year. Which chunking shows the date? (a) 020/419/78 (b) 0204/19/78 (c) 02/0419/78 (d) 02/04/1978
29. 29.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
30. 30.📅 The digits 24032011 are a date: day, month, year. Which chunking shows the date? (a) 2403/20/11 (b) 24/03/2011 (c) 240/320/11 (d) 24/0320/11
31. 31.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.📅 The digits 13041950 are a date: day, month, year. Which chunking shows the date? (a) 130/419/50 (b) 1304/19/50 (c) 13/04/1950 (d) 13/0419/50
33. 33.🔢 You want to remember the number 104579530. Which chunked version keeps every digit in the same order? (a) 104 579 9530 (b) 104 575 930 (c) 104 579 530 (d) 104 595 30
34. 34.📅 The digits 20081967 are a date: day, month, year. Which chunking shows the date? (a) 2008/19/67 (b) 20/0819/67 (c) 200/819/67 (d) 20/08/1967
35. 35.🔢 You want to remember the number 5299742877. Which chunked version keeps every digit in the same order? (a) 529 997 42877 (b) 529 794 2877 (c) 529 974 877 (d) 529 974 2877
36. 36.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
37. 37.🔢 You want to remember the number 929598551. Which chunked version keeps every digit in the same order? (a) 929 598 55 (b) 925 998 551 (c) 929 598 551 (d) 929 959 8551
38. 38.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
39. 39.🔢 You want to remember the number 764761468089. Which chunked version keeps every digit in the same order? (a) 7647 6468 089 (b) 7647 6146 8089 (c) 7646 7146 8089 (d) 7644 7614 68089
40. 40.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?

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