Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 47 · 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.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
2. 2.🔢 You want to remember the number 530150315420. Which chunked version keeps every digit in the same order? (a) 5031 5031 5420 (b) 5301 5031 5420 (c) 5300 1503 15420 (d) 5301 0315 420
3. 3.🔢 What is chunking? (a) splitting into groups (b) reading very fast (c) saying it backwards (d) writing it twice
4. 4.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
5. 5.📅 The digits 16091957 are a date: day, month, year. Which chunking shows the date? (a) 16/0919/57 (b) 1609/19/57 (c) 16/09/1957 (d) 160/919/57
6. 6.🔢 You want to remember the number 911275039710. Which chunked version keeps every digit in the same order? (a) 9112 7509 3710 (b) 9127 5039 710 (c) 9112 7503 97100 (d) 9112 7503 9710
7. 7.🔢 You want to remember the number 151680639424. Which chunked version keeps every digit in the same order? (a) 5116 8063 9424 (b) 1516 8063 424 (c) 1516 8063 99424 (d) 1516 8063 9424
8. 8.📅 The digits 09082019 are a date: day, month, year. Which chunking shows the date? (a) 09/0820/19 (b) 090/820/19 (c) 0908/20/19 (d) 09/08/2019
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.🔢 You want to remember the number 166722208. Which chunked version keeps every digit in the same order? (a) 167 622 208 (b) 116 672 2208 (c) 166 722 208 (d) 166 722 20
11. 11.📅 The digits 18111966 are a date: day, month, year. Which chunking shows the date? (a) 18/1119/66 (b) 181/119/66 (c) 18/11/1966 (d) 1811/19/66
12. 12.🔢 You want to remember the number 901569138. Which chunked version keeps every digit in the same order? (a) 901 569 138 (b) 901 569 1138 (c) 910 569 138 (d) 015 691 38
13. 13.📅 The digits 28091999 are a date: day, month, year. Which chunking shows the date? (a) 280/919/99 (b) 28/0919/99 (c) 28/09/1999 (d) 2809/19/99
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 462263981. Which chunked version keeps every digit in the same order? (a) 462 263 98 (b) 462 623 981 (c) 462 263 981 (d) 462 263 3981
16. 16.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 258345766. Which chunked version keeps every digit in the same order? (a) 255 834 5766 (b) 583 457 66 (c) 258 345 676 (d) 258 345 766
18. 18.🔢 You want to remember the number 226421404. Which chunked version keeps every digit in the same order? (a) 226 412 404 (b) 226 414 04 (c) 226 421 404 (d) 226 422 1404
19. 19.🔢 You want to remember the number 961278381983. Which chunked version keeps every digit in the same order? (a) 9612 7883 1983 (b) 9612 7838 1983 (c) 9661 2783 81983 (d) 9612 7838 193
20. 20.📅 The digits 06021969 are a date: day, month, year. Which chunking shows the date? (a) 060/219/69 (b) 06/0219/69 (c) 06/02/1969 (d) 0602/19/69
21. 21.📅 The digits 04072006 are a date: day, month, year. Which chunking shows the date? (a) 0407/20/06 (b) 040/720/06 (c) 04/07/2006 (d) 04/0720/06
22. 22.🔢 You want to remember the number 253728174. Which chunked version keeps every digit in the same order? (a) 253 728 147 (b) 253 728 17 (c) 253 728 1174 (d) 253 728 174
23. 23.🔢 You want to remember the number 9701558945. Which chunked version keeps every digit in the same order? (a) 970 155 8945 (b) 970 155 845 (c) 907 155 8945 (d) 970 155 89945
24. 24.🔢 You want to remember the number 844290220779. Which chunked version keeps every digit in the same order? (a) 8442 9022 07779 (b) 8442 9022 0779 (c) 8442 9022 077 (d) 4842 9022 0779
25. 25.📅 The digits 02122025 are a date: day, month, year. Which chunking shows the date? (a) 02/12/2025 (b) 02/1220/25 (c) 0212/20/25 (d) 021/220/25
26. 26.🔢 You want to remember the number 852626373470. Which chunked version keeps every digit in the same order? (a) 8526 2637 33470 (b) 8262 6373 470 (c) 8526 2367 3470 (d) 8526 2637 3470
27. 27.🔢 You want to remember the number 9580875410. Which chunked version keeps every digit in the same order? (a) 958 087 5410 (b) 958 087 410 (c) 995 808 75410 (d) 958 085 7410
28. 28.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
29. 29.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it has fewer digits (c) it is printed bigger (d) three chunks, not ten
30. 30.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) nothing at all (d) only pictures
31. 31.📅 The digits 15011971 are a date: day, month, year. Which chunking shows the date? (a) 15/01/1971 (b) 1501/19/71 (c) 150/119/71 (d) 15/0119/71
32. 32.📅 The digits 02081991 are a date: day, month, year. Which chunking shows the date? (a) 0208/19/91 (b) 020/819/91 (c) 02/0819/91 (d) 02/08/1991
33. 33.🔢 You want to remember the number 8625248874. Which chunked version keeps every digit in the same order? (a) 862 524 8874 (b) 625 248 874 (c) 862 524 88874 (d) 862 254 8874
34. 34.🔢 You want to remember the number 3365613111. Which chunked version keeps every digit in the same order? (a) 333 656 13111 (b) 336 561 3111 (c) 336 563 1111 (d) 336 561 311
35. 35.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
36. 36.🔢 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
37. 37.🔢 You want to remember the number 2382414242. Which chunked version keeps every digit in the same order? (a) 238 241 4242 (b) 223 824 14242 (c) 232 414 242 (d) 238 241 2442
38. 38.🔢 You want to remember the number 406076264. Which chunked version keeps every digit in the same order? (a) 406 706 264 (b) 060 762 64 (c) 406 007 6264 (d) 406 076 264
39. 39.🔢 You want to remember the number 753977396. Which chunked version keeps every digit in the same order? (a) 753 973 96 (b) 753 977 396 (c) 573 977 396 (d) 753 977 7396
40. 40.📅 The digits 23122013 are a date: day, month, year. Which chunking shows the date? (a) 23/1220/13 (b) 23/12/2013 (c) 2312/20/13 (d) 231/220/13

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