Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 190 · 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 365323071. Which chunked version keeps every digit in the same order? (a) 353 230 71 (b) 365 323 0711 (c) 365 323 071 (d) 365 323 701
2. 2.📅 The digits 26111960 are a date: day, month, year. Which chunking shows the date? (a) 2611/19/60 (b) 261/119/60 (c) 26/1119/60 (d) 26/11/1960
3. 3.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 You want to remember the number 3575672579. Which chunked version keeps every digit in the same order? (a) 357 566 72579 (b) 357 567 2579 (c) 357 562 579 (d) 357 567 5279
5. 5.📅 The digits 27122025 are a date: day, month, year. Which chunking shows the date? (a) 27/12/2025 (b) 271/220/25 (c) 27/1220/25 (d) 2712/20/25
6. 6.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) numbers and letter lists (d) only numbers
7. 7.📅 The digits 07071968 are a date: day, month, year. Which chunking shows the date? (a) 07/0719/68 (b) 070/719/68 (c) 0707/19/68 (d) 07/07/1968
8. 8.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 1 9 4 7 (d) 194 and 7
9. 9.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.📅 The digits 08091996 are a date: day, month, year. Which chunking shows the date? (a) 08/09/1996 (b) 08/0919/96 (c) 0809/19/96 (d) 080/919/96
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it has fewer digits (d) it is printed bigger
12. 12.🔢 You want to remember the number 5376526133. Which chunked version keeps every digit in the same order? (a) 537 652 6133 (b) 537 656 2133 (c) 533 765 26133 (d) 537 652 633
13. 13.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 933791261612. Which chunked version keeps every digit in the same order? (a) 9337 9126 16122 (b) 3379 1261 612 (c) 9337 9126 1612 (d) 9337 1926 1612
15. 15.🔢 You want to remember the number 125452089. Which chunked version keeps every digit in the same order? (a) 125 452 809 (b) 124 520 89 (c) 125 452 2089 (d) 125 452 089
16. 16.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
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.🔢 You want to remember the number 313514073. Which chunked version keeps every digit in the same order? (a) 313 514 073 (b) 313 510 473 (c) 313 514 0773 (d) 315 140 73
19. 19.📅 The digits 06101999 are a date: day, month, year. Which chunking shows the date? (a) 0610/19/99 (b) 061/019/99 (c) 06/1019/99 (d) 06/10/1999
20. 20.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 746232916. Which chunked version keeps every digit in the same order? (a) 746 232 91 (b) 746 322 916 (c) 746 232 9166 (d) 746 232 916
22. 22.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.🔢 You want to remember the number 961084552. Which chunked version keeps every digit in the same order? (a) 961 804 552 (b) 961 084 5522 (c) 961 084 552 (d) 961 845 52
24. 24.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
25. 25.🔢 You want to remember the number 5299531703. Which chunked version keeps every digit in the same order? (a) 529 953 17703 (b) 529 593 1703 (c) 529 953 1703 (d) 529 531 703
26. 26.📅 The digits 07061962 are a date: day, month, year. Which chunking shows the date? (a) 0706/19/62 (b) 07/0619/62 (c) 07/06/1962 (d) 070/619/62
27. 27.🔢 You want to remember the number 7852316372. Which chunked version keeps every digit in the same order? (a) 782 531 6372 (b) 782 316 372 (c) 785 231 6372 (d) 788 523 16372
28. 28.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
29. 29.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
30. 30.🔢 What is chunking? (a) splitting into groups (b) writing it twice (c) saying it backwards (d) reading very fast
31. 31.📅 The digits 10031952 are a date: day, month, year. Which chunking shows the date? (a) 100/319/52 (b) 1003/19/52 (c) 10/03/1952 (d) 10/0319/52
32. 32.🔢 You want to remember the number 469141058. Which chunked version keeps every digit in the same order? (a) 469 411 058 (b) 491 410 58 (c) 469 141 058 (d) 446 914 1058
33. 33.🔢 You want to remember the number 435235700308. Which chunked version keeps every digit in the same order? (a) 4352 3570 0380 (b) 4352 3570 030 (c) 4352 3570 0308 (d) 4352 3577 00308
34. 34.📅 The digits 21041983 are a date: day, month, year. Which chunking shows the date? (a) 21/04/1983 (b) 2104/19/83 (c) 21/0419/83 (d) 210/419/83
35. 35.📅 The digits 12012020 are a date: day, month, year. Which chunking shows the date? (a) 120/120/20 (b) 1201/20/20 (c) 12/0120/20 (d) 12/01/2020
36. 36.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 290187525. Which chunked version keeps every digit in the same order? (a) 290 187 7525 (b) 201 875 25 (c) 290 187 525 (d) 291 087 525
38. 38.📅 The digits 16101967 are a date: day, month, year. Which chunking shows the date? (a) 16/1019/67 (b) 161/019/67 (c) 1610/19/67 (d) 16/10/1967
39. 39.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
40. 40.📅 The digits 17071952 are a date: day, month, year. Which chunking shows the date? (a) 17/0719/52 (b) 17/07/1952 (c) 170/719/52 (d) 1707/19/52

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