Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 226 · 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 05021965 are a date: day, month, year. Which chunking shows the date? (a) 05/0219/65 (b) 05/02/1965 (c) 0502/19/65 (d) 050/219/65
2. 2.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
3. 3.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) splitting into groups (d) writing it twice
4. 4.🔢 You want to remember the number 895565542966. Which chunked version keeps every digit in the same order? (a) 8955 6554 2966 (b) 8955 6554 42966 (c) 8955 6554 296 (d) 8595 6554 2966
5. 5.🔢 You want to remember the number 792918085. Which chunked version keeps every digit in the same order? (a) 792 918 085 (b) 792 198 085 (c) 729 180 85 (d) 779 291 8085
6. 6.🔢 You want to remember the number 7168912817. Which chunked version keeps every digit in the same order? (a) 716 912 817 (b) 716 889 12817 (c) 716 891 2817 (d) 761 891 2817
7. 7.📅 The digits 08082013 are a date: day, month, year. Which chunking shows the date? (a) 080/820/13 (b) 08/0820/13 (c) 08/08/2013 (d) 0808/20/13
8. 8.🔢 You want to remember the number 400824310. Which chunked version keeps every digit in the same order? (a) 408 243 10 (b) 400 824 310 (c) 400 082 4310 (d) 040 824 310
9. 9.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
10. 10.🔢 You want to remember the number 147788632. Which chunked version keeps every digit in the same order? (a) 147 886 32 (b) 147 788 632 (c) 147 878 632 (d) 147 788 6322
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) three chunks, not ten (c) it has fewer digits (d) it is a smaller number
12. 12.🔢 You want to remember the number 180652270426. Which chunked version keeps every digit in the same order? (a) 1806 5227 0246 (b) 1806 5227 04266 (c) 1065 2270 426 (d) 1806 5227 0426
13. 13.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
14. 14.🔢 You want to remember the number 6067046427. Which chunked version keeps every digit in the same order? (a) 606 704 6427 (b) 606 706 427 (c) 606 770 46427 (d) 606 704 6472
15. 15.📅 The digits 28031950 are a date: day, month, year. Which chunking shows the date? (a) 28/0319/50 (b) 2803/19/50 (c) 28/03/1950 (d) 280/319/50
16. 16.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
17. 17.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
18. 18.🔢 You want to remember the number 335111900. Which chunked version keeps every digit in the same order? (a) 335 111 9900 (b) 331 119 00 (c) 335 111 090 (d) 335 111 900
19. 19.🔢 You want to remember the number 500819696380. Which chunked version keeps every digit in the same order? (a) 5008 1969 380 (b) 5500 8196 96380 (c) 5008 1969 6380 (d) 5008 1996 6380
20. 20.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 131405671341. Which chunked version keeps every digit in the same order? (a) 1314 4056 71341 (b) 1310 4567 1341 (c) 1314 0567 1341 (d) 1314 0571 341
22. 22.📅 The digits 07082023 are a date: day, month, year. Which chunking shows the date? (a) 070/820/23 (b) 0708/20/23 (c) 07/08/2023 (d) 07/0820/23
23. 23.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.📅 The digits 06042000 are a date: day, month, year. Which chunking shows the date? (a) 0604/20/00 (b) 060/420/00 (c) 06/0420/00 (d) 06/04/2000
25. 25.📅 The digits 04011981 are a date: day, month, year. Which chunking shows the date? (a) 0401/19/81 (b) 04/0119/81 (c) 04/01/1981 (d) 040/119/81
26. 26.📅 The digits 20042025 are a date: day, month, year. Which chunking shows the date? (a) 20/04/2025 (b) 2004/20/25 (c) 20/0420/25 (d) 200/420/25
27. 27.🔢 You want to remember the number 602702002. Which chunked version keeps every digit in the same order? (a) 620 702 002 (b) 602 702 00 (c) 602 702 002 (d) 602 702 0022
28. 28.🔢 You want to remember the number 119948722688. Which chunked version keeps every digit in the same order? (a) 1199 4872 26888 (b) 1199 4872 2688 (c) 1199 4872 268 (d) 1919 4872 2688
29. 29.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) is very long (d) changes daily
30. 30.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 7114577167. Which chunked version keeps every digit in the same order? (a) 714 577 167 (b) 711 457 71677 (c) 711 457 1767 (d) 711 457 7167
32. 32.📅 The digits 21021965 are a date: day, month, year. Which chunking shows the date? (a) 21/02/1965 (b) 2102/19/65 (c) 210/219/65 (d) 21/0219/65
33. 33.📅 The digits 20051986 are a date: day, month, year. Which chunking shows the date? (a) 200/519/86 (b) 20/0519/86 (c) 2005/19/86 (d) 20/05/1986
34. 34.🔢 You want to remember the number 4261285204. Which chunked version keeps every digit in the same order? (a) 461 285 204 (b) 462 128 5204 (c) 426 128 85204 (d) 426 128 5204
35. 35.📅 The digits 23082019 are a date: day, month, year. Which chunking shows the date? (a) 23/0820/19 (b) 2308/20/19 (c) 230/820/19 (d) 23/08/2019
36. 36.🔢 You want to remember the number 449052749. Which chunked version keeps every digit in the same order? (a) 449 052 74 (b) 449 052 749 (c) 449 055 2749 (d) 449 052 794
37. 37.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
38. 38.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
39. 39.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
40. 40.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?

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