Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 801 · 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.🔢 You want to remember the number 6992210181. Which chunked version keeps every digit in the same order? (a) 699 221 0181 (b) 699 210 181 (c) 699 221 01811 (d) 969 221 0181
2. 2.📅 The digits 15061993 are a date: day, month, year. Which chunking shows the date? (a) 150/619/93 (b) 15/06/1993 (c) 1506/19/93 (d) 15/0619/93
3. 3.🔢 What is chunking? (a) splitting into groups (b) writing it twice (c) reading very fast (d) saying it backwards
4. 4.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
5. 5.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) has no pattern (d) means something to you
6. 6.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 194 and 7 (c) 1 and 947 (d) 1 9 4 7
10. 10.📅 The digits 17111951 are a date: day, month, year. Which chunking shows the date? (a) 17/1119/51 (b) 1711/19/51 (c) 171/119/51 (d) 17/11/1951
11. 11.🔢 You want to remember the number 695142191977. Which chunked version keeps every digit in the same order? (a) 6951 4211 91977 (b) 6951 4129 1977 (c) 6951 4219 197 (d) 6951 4219 1977
12. 12.🔢 You want to remember the number 321305911. Which chunked version keeps every digit in the same order? (a) 321 305 91 (b) 332 130 5911 (c) 312 305 911 (d) 321 305 911
13. 13.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only numbers (d) only pictures
14. 14.🔢 You want to remember the number 358125133502. Which chunked version keeps every digit in the same order? (a) 3588 1251 33502 (b) 3581 2513 302 (c) 3581 2513 3502 (d) 3581 2513 3520
15. 15.🔢 You want to remember the number 815929219. Which chunked version keeps every digit in the same order? (a) 815 592 9219 (b) 851 929 219 (c) 815 929 219 (d) 815 292 19
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 764990042672. Which chunked version keeps every digit in the same order? (a) 7649 9004 26672 (b) 7649 9004 262 (c) 7469 9004 2672 (d) 7649 9004 2672
18. 18.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) three chunks, not ten (d) it has fewer digits
19. 19.🔢 You want to remember the number 1828804116. Which chunked version keeps every digit in the same order? (a) 828 804 116 (b) 182 888 04116 (c) 182 880 4161 (d) 182 880 4116
20. 20.🔢 You want to remember the number 224309271086. Which chunked version keeps every digit in the same order? (a) 2243 0927 1086 (b) 2243 0927 186 (c) 2243 0297 1086 (d) 2243 0922 71086
21. 21.🔢 You want to remember the number 523763167695. Which chunked version keeps every digit in the same order? (a) 2537 6316 7695 (b) 5223 7631 67695 (c) 2376 3167 695 (d) 5237 6316 7695
22. 22.📅 The digits 09022024 are a date: day, month, year. Which chunking shows the date? (a) 0902/20/24 (b) 09/02/2024 (c) 090/220/24 (d) 09/0220/24
23. 23.🔢 You want to remember the number 8901584180. Which chunked version keeps every digit in the same order? (a) 901 584 180 (b) 890 518 4180 (c) 889 015 84180 (d) 890 158 4180
24. 24.🔢 You want to remember the number 752248517614. Which chunked version keeps every digit in the same order? (a) 7522 4857 1614 (b) 7522 4851 7614 (c) 7522 4851 714 (d) 7522 4855 17614
25. 25.🔢 You want to remember the number 915672042127. Which chunked version keeps every digit in the same order? (a) 9156 7204 21127 (b) 9156 2704 2127 (c) 9156 7204 2127 (d) 9156 7042 127
26. 26.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
27. 27.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 550404334. Which chunked version keeps every digit in the same order? (a) 550 040 4334 (b) 550 043 34 (c) 550 404 334 (d) 505 404 334
30. 30.🔢 You want to remember the number 992613228. Which chunked version keeps every digit in the same order? (a) 999 261 3228 (b) 929 613 228 (c) 992 613 228 (d) 996 132 28
31. 31.🔢 You want to remember the number 634610771315. Which chunked version keeps every digit in the same order? (a) 6341 6077 1315 (b) 6346 1077 1315 (c) 6344 6107 71315 (d) 6361 0771 315
32. 32.📅 The digits 08062011 are a date: day, month, year. Which chunking shows the date? (a) 080/620/11 (b) 08/06/2011 (c) 0806/20/11 (d) 08/0620/11
33. 33.📅 The digits 05011980 are a date: day, month, year. Which chunking shows the date? (a) 0501/19/80 (b) 05/01/1980 (c) 05/0119/80 (d) 050/119/80
34. 34.📅 The digits 26031988 are a date: day, month, year. Which chunking shows the date? (a) 26/03/1988 (b) 260/319/88 (c) 26/0319/88 (d) 2603/19/88
35. 35.🔢 You want to remember the number 396633044. Which chunked version keeps every digit in the same order? (a) 396 633 044 (b) 396 363 044 (c) 396 633 04 (d) 396 663 3044
36. 36.📅 The digits 17042024 are a date: day, month, year. Which chunking shows the date? (a) 17/0420/24 (b) 1704/20/24 (c) 170/420/24 (d) 17/04/2024
37. 37.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
39. 39.📅 The digits 06021996 are a date: day, month, year. Which chunking shows the date? (a) 06/02/1996 (b) 0602/19/96 (c) 060/219/96 (d) 06/0219/96
40. 40.🔢 You want to remember the number 1244806729. Which chunked version keeps every digit in the same order? (a) 124 480 6279 (b) 112 448 06729 (c) 124 406 729 (d) 124 480 6729

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