Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 757 · 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 16-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.🔢 You want to remember the number 251009536182. Which chunked version keeps every digit in the same order? (a) 2510 0953 61182 (b) 2510 0953 6182 (c) 2510 0953 6128 (d) 2510 0953 618
3. 3.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) it is printed bigger (d) three chunks, not ten
4. 4.📅 The digits 26071984 are a date: day, month, year. Which chunking shows the date? (a) 26/0719/84 (b) 260/719/84 (c) 2607/19/84 (d) 26/07/1984
5. 5.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) only numbers (d) numbers and letter lists
6. 6.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
8. 8.🔢 You want to remember the number 264755829. Which chunked version keeps every digit in the same order? (a) 264 755 8229 (b) 246 755 829 (c) 264 755 829 (d) 647 558 29
9. 9.🔢 You want to remember the number 278323614. Which chunked version keeps every digit in the same order? (a) 278 323 164 (b) 278 323 6614 (c) 278 323 614 (d) 273 236 14
10. 10.🔢 You want to remember the number 2500426609. Which chunked version keeps every digit in the same order? (a) 250 042 66009 (b) 250 042 6690 (c) 250 042 609 (d) 250 042 6609
11. 11.📅 The digits 15111966 are a date: day, month, year. Which chunking shows the date? (a) 151/119/66 (b) 15/1119/66 (c) 15/11/1966 (d) 1511/19/66
12. 12.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
13. 13.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
14. 14.📅 The digits 25011988 are a date: day, month, year. Which chunking shows the date? (a) 2501/19/88 (b) 25/0119/88 (c) 250/119/88 (d) 25/01/1988
15. 15.🔢 You want to remember the number 239972438. Which chunked version keeps every digit in the same order? (a) 239 974 238 (b) 239 974 38 (c) 239 972 438 (d) 239 977 2438
16. 16.📅 The digits 20091971 are a date: day, month, year. Which chunking shows the date? (a) 200/919/71 (b) 2009/19/71 (c) 20/0919/71 (d) 20/09/1971
17. 17.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.📅 The digits 26031962 are a date: day, month, year. Which chunking shows the date? (a) 260/319/62 (b) 26/03/1962 (c) 26/0319/62 (d) 2603/19/62
20. 20.🔢 You want to remember the number 330104271811. Which chunked version keeps every digit in the same order? (a) 3301 0427 1811 (b) 3330 1042 71811 (c) 3301 0427 111 (d) 3301 0427 1181
21. 21.📅 The digits 20041970 are a date: day, month, year. Which chunking shows the date? (a) 200/419/70 (b) 2004/19/70 (c) 20/04/1970 (d) 20/0419/70
22. 22.🔢 You want to remember the number 3915514328. Which chunked version keeps every digit in the same order? (a) 315 514 328 (b) 399 155 14328 (c) 391 551 4328 (d) 391 551 4238
23. 23.🔢 You want to remember the number 114450354. Which chunked version keeps every digit in the same order? (a) 114 403 54 (b) 114 405 354 (c) 114 450 354 (d) 111 445 0354
24. 24.🔢 You want to remember the number 462337997826. Which chunked version keeps every digit in the same order? (a) 4623 3799 7826 (b) 4623 3797 9826 (c) 4623 3799 826 (d) 4623 3779 97826
25. 25.📅 The digits 20031972 are a date: day, month, year. Which chunking shows the date? (a) 200/319/72 (b) 20/0319/72 (c) 20/03/1972 (d) 2003/19/72
26. 26.🔢 You want to remember the number 6235722347. Which chunked version keeps every digit in the same order? (a) 623 572 347 (b) 623 572 22347 (c) 623 572 2347 (d) 623 572 2374
27. 27.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 1 and 947 (d) 19 and 47
29. 29.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
30. 30.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
31. 31.📅 The digits 22091969 are a date: day, month, year. Which chunking shows the date? (a) 22/0919/69 (b) 2209/19/69 (c) 22/09/1969 (d) 220/919/69
32. 32.🔢 You want to remember the number 998102217. Which chunked version keeps every digit in the same order? (a) 998 810 2217 (b) 981 022 17 (c) 998 102 217 (d) 998 102 271
33. 33.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) writing it twice (d) splitting into groups
34. 34.🔢 You want to remember the number 424828779. Which chunked version keeps every digit in the same order? (a) 424 828 779 (b) 244 828 779 (c) 442 482 8779 (d) 424 828 77
35. 35.📅 The digits 04071970 are a date: day, month, year. Which chunking shows the date? (a) 04/07/1970 (b) 040/719/70 (c) 0407/19/70 (d) 04/0719/70
36. 36.🔢 You want to remember the number 964544301301. Which chunked version keeps every digit in the same order? (a) 9664 5443 01301 (b) 9645 4431 0301 (c) 9645 4301 301 (d) 9645 4430 1301
37. 37.🔢 You want to remember the number 543587428794. Which chunked version keeps every digit in the same order? (a) 5435 8742 8974 (b) 5433 5874 28794 (c) 5435 8742 879 (d) 5435 8742 8794
38. 38.📅 The digits 05032018 are a date: day, month, year. Which chunking shows the date? (a) 0503/20/18 (b) 05/0320/18 (c) 050/320/18 (d) 05/03/2018
39. 39.🔢 You want to remember the number 315446217372. Which chunked version keeps every digit in the same order? (a) 3154 4622 17372 (b) 3154 4261 7372 (c) 3154 4217 372 (d) 3154 4621 7372
40. 40.🔢 You want to remember the number 845719062. Which chunked version keeps every digit in the same order? (a) 845 719 062 (b) 845 190 62 (c) 845 719 0622 (d) 485 719 062

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