Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 750 · 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 20-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only numbers (d) only pictures
3. 3.🔢 You want to remember the number 690866590199. Which chunked version keeps every digit in the same order? (a) 6908 8665 90199 (b) 9608 6659 0199 (c) 6986 6590 199 (d) 6908 6659 0199
4. 4.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) writing it twice (d) splitting into groups
5. 5.🔢 You want to remember the number 310913182. Which chunked version keeps every digit in the same order? (a) 310 131 82 (b) 301 913 182 (c) 310 913 182 (d) 310 991 3182
6. 6.📅 The digits 07011992 are a date: day, month, year. Which chunking shows the date? (a) 070/119/92 (b) 0701/19/92 (c) 07/0119/92 (d) 07/01/1992
7. 7.🔢 You want to remember the number 288040178. Which chunked version keeps every digit in the same order? (a) 288 004 0178 (b) 828 040 178 (c) 288 040 78 (d) 288 040 178
8. 8.📅 The digits 13091972 are a date: day, month, year. Which chunking shows the date? (a) 1309/19/72 (b) 13/09/1972 (c) 13/0919/72 (d) 130/919/72
9. 9.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
10. 10.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
11. 11.🔢 You want to remember the number 261203952. Which chunked version keeps every digit in the same order? (a) 261 203 95 (b) 261 203 952 (c) 261 209 352 (d) 261 220 3952
12. 12.🔢 You want to remember the number 462005618. Which chunked version keeps every digit in the same order? (a) 462 005 618 (b) 420 056 18 (c) 426 005 618 (d) 462 005 6618
13. 13.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 932360342. Which chunked version keeps every digit in the same order? (a) 923 360 342 (b) 932 360 342 (c) 323 603 42 (d) 932 366 0342
15. 15.🔢 You want to remember the number 174844321. Which chunked version keeps every digit in the same order? (a) 174 843 21 (b) 174 844 321 (c) 174 844 231 (d) 177 484 4321
16. 16.🔢 You want to remember the number 1336408060. Which chunked version keeps every digit in the same order? (a) 133 640 8060 (b) 136 408 060 (c) 133 640 8600 (d) 133 664 08060
17. 17.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
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.🔢 You want to remember the number 1487087245. Which chunked version keeps every digit in the same order? (a) 148 708 245 (b) 148 708 7425 (c) 148 708 7245 (d) 148 708 87245
21. 21.🔢 You want to remember the number 664129024. Which chunked version keeps every digit in the same order? (a) 664 290 24 (b) 664 122 9024 (c) 664 129 042 (d) 664 129 024
22. 22.🔢 You want to remember the number 149334589. Which chunked version keeps every digit in the same order? (a) 114 933 4589 (b) 149 334 58 (c) 419 334 589 (d) 149 334 589
23. 23.🔢 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
24. 24.🔢 You want to remember the number 973400158. Which chunked version keeps every digit in the same order? (a) 973 400 1558 (b) 973 400 158 (c) 973 400 58 (d) 974 300 158
25. 25.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
26. 26.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) changes daily (d) is very long
27. 27.🔢 You want to remember the number 1323933661. Which chunked version keeps every digit in the same order? (a) 132 933 661 (b) 132 399 33661 (c) 132 339 3661 (d) 132 393 3661
28. 28.🔢 You want to remember the number 6061817372. Which chunked version keeps every digit in the same order? (a) 606 118 7372 (b) 606 181 73372 (c) 606 817 372 (d) 606 181 7372
29. 29.📅 The digits 26121990 are a date: day, month, year. Which chunking shows the date? (a) 26/12/1990 (b) 26/1219/90 (c) 2612/19/90 (d) 261/219/90
30. 30.📅 The digits 21061958 are a date: day, month, year. Which chunking shows the date? (a) 21/0619/58 (b) 21/06/1958 (c) 2106/19/58 (d) 210/619/58
31. 31.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 194 and 7 (d) 1 9 4 7
32. 32.🔢 You want to remember the number 2340921146. Which chunked version keeps every digit in the same order? (a) 234 091 2146 (b) 230 921 146 (c) 234 092 1146 (d) 234 099 21146
33. 33.📅 The digits 09121995 are a date: day, month, year. Which chunking shows the date? (a) 0912/19/95 (b) 091/219/95 (c) 09/12/1995 (d) 09/1219/95
34. 34.🔢 You want to remember the number 216720294. Which chunked version keeps every digit in the same order? (a) 216 720 2944 (b) 216 720 924 (c) 216 720 294 (d) 217 202 94
35. 35.🔢 You want to remember the number 5337017089. Which chunked version keeps every digit in the same order? (a) 533 701 7098 (b) 533 701 77089 (c) 533 701 7089 (d) 337 017 089
36. 36.🔢 You want to remember the number 2550406002. Which chunked version keeps every digit in the same order? (a) 250 406 002 (b) 250 540 6002 (c) 255 040 06002 (d) 255 040 6002
37. 37.📅 The digits 01041983 are a date: day, month, year. Which chunking shows the date? (a) 010/419/83 (b) 0104/19/83 (c) 01/0419/83 (d) 01/04/1983
38. 38.🔢 You want to remember the number 5765257225. Which chunked version keeps every digit in the same order? (a) 576 525 7225 (b) 576 552 57225 (c) 765 257 225 (d) 575 625 7225
39. 39.🔢 You want to remember the number 811011719. Which chunked version keeps every digit in the same order? (a) 811 011 719 (b) 110 117 19 (c) 811 011 179 (d) 811 011 1719
40. 40.📅 The digits 25111956 are a date: day, month, year. Which chunking shows the date? (a) 251/119/56 (b) 2511/19/56 (c) 25/11/1956 (d) 25/1119/56

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