Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 81 · 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.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 08101969 are a date: day, month, year. Which chunking shows the date? (a) 08/1019/69 (b) 08/10/1969 (c) 0810/19/69 (d) 081/019/69
3. 3.📅 The digits 16112003 are a date: day, month, year. Which chunking shows the date? (a) 16/11/2003 (b) 1611/20/03 (c) 16/1120/03 (d) 161/120/03
4. 4.🔢 You want to remember the number 2471898253. Which chunked version keeps every digit in the same order? (a) 247 189 8253 (b) 244 718 98253 (c) 247 189 853 (d) 427 189 8253
5. 5.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
6. 6.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
7. 7.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
8. 8.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.🔢 You want to remember the number 440819044. Which chunked version keeps every digit in the same order? (a) 444 081 9044 (b) 440 819 044 (c) 440 891 044 (d) 408 190 44
10. 10.📅 The digits 16092006 are a date: day, month, year. Which chunking shows the date? (a) 16/09/2006 (b) 16/0920/06 (c) 1609/20/06 (d) 160/920/06
11. 11.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 1 and 947 (d) 19 and 47
12. 12.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.📅 The digits 19041975 are a date: day, month, year. Which chunking shows the date? (a) 19/0419/75 (b) 1904/19/75 (c) 190/419/75 (d) 19/04/1975
14. 14.🔢 You want to remember the number 9285871996. Which chunked version keeps every digit in the same order? (a) 928 587 199 (b) 928 858 71996 (c) 928 587 1996 (d) 298 587 1996
15. 15.📅 The digits 23101958 are a date: day, month, year. Which chunking shows the date? (a) 23/1019/58 (b) 231/019/58 (c) 2310/19/58 (d) 23/10/1958
16. 16.📅 The digits 15112022 are a date: day, month, year. Which chunking shows the date? (a) 15/1120/22 (b) 1511/20/22 (c) 15/11/2022 (d) 151/120/22
17. 17.🔢 You want to remember the number 300223212. Which chunked version keeps every digit in the same order? (a) 300 223 21 (b) 300 222 3212 (c) 300 223 212 (d) 300 232 212
18. 18.🔢 You want to remember the number 786318469. Which chunked version keeps every digit in the same order? (a) 786 314 869 (b) 786 384 69 (c) 786 311 8469 (d) 786 318 469
19. 19.🔢 You want to remember the number 524319275. Which chunked version keeps every digit in the same order? (a) 524 331 9275 (b) 524 319 275 (c) 524 319 257 (d) 524 192 75
20. 20.🔢 You want to remember the number 4051088308. Which chunked version keeps every digit in the same order? (a) 405 108 830 (b) 440 510 88308 (c) 405 180 8308 (d) 405 108 8308
21. 21.📅 The digits 12071950 are a date: day, month, year. Which chunking shows the date? (a) 1207/19/50 (b) 12/07/1950 (c) 120/719/50 (d) 12/0719/50
22. 22.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) nothing at all (d) only pictures
24. 24.🔢 You want to remember the number 292133023. Which chunked version keeps every digit in the same order? (a) 292 130 23 (b) 299 213 3023 (c) 291 233 023 (d) 292 133 023
25. 25.📅 The digits 09012021 are a date: day, month, year. Which chunking shows the date? (a) 09/01/2021 (b) 090/120/21 (c) 09/0120/21 (d) 0901/20/21
26. 26.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.🔢 You want to remember the number 963922679. Which chunked version keeps every digit in the same order? (a) 963 922 679 (b) 639 226 79 (c) 966 392 2679 (d) 936 922 679
28. 28.📅 The digits 07101972 are a date: day, month, year. Which chunking shows the date? (a) 0710/19/72 (b) 07/10/1972 (c) 07/1019/72 (d) 071/019/72
29. 29.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
30. 30.🔢 You want to remember the number 453432898861. Which chunked version keeps every digit in the same order? (a) 4534 3289 88861 (b) 4534 3289 8681 (c) 5343 2898 861 (d) 4534 3289 8861
31. 31.🔢 You want to remember the number 7660112131. Which chunked version keeps every digit in the same order? (a) 766 011 2131 (b) 660 112 131 (c) 766 011 21331 (d) 760 611 2131
32. 32.🔢 You want to remember the number 475152910212. Which chunked version keeps every digit in the same order? (a) 4751 2591 0212 (b) 4751 5229 10212 (c) 4715 2910 212 (d) 4751 5291 0212
33. 33.🔢 You want to remember the number 902105606. Which chunked version keeps every digit in the same order? (a) 902 210 5606 (b) 901 056 06 (c) 902 105 606 (d) 902 105 660
34. 34.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
35. 35.🔢 You want to remember the number 201138287. Which chunked version keeps every digit in the same order? (a) 201 138 827 (b) 201 138 287 (c) 201 132 87 (d) 201 138 2877
36. 36.🔢 You want to remember the number 4673170825. Which chunked version keeps every digit in the same order? (a) 463 717 0825 (b) 467 170 825 (c) 467 317 08225 (d) 467 317 0825
37. 37.📅 The digits 12101973 are a date: day, month, year. Which chunking shows the date? (a) 121/019/73 (b) 12/10/1973 (c) 12/1019/73 (d) 1210/19/73
38. 38.🔢 You want to remember the number 827700699. Which chunked version keeps every digit in the same order? (a) 827 070 699 (b) 827 700 6999 (c) 827 006 99 (d) 827 700 699
39. 39.📅 The digits 10061984 are a date: day, month, year. Which chunking shows the date? (a) 10/0619/84 (b) 100/619/84 (c) 10/06/1984 (d) 1006/19/84
40. 40.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?

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