Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 608 · 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.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 13081984 are a date: day, month, year. Which chunking shows the date? (a) 1308/19/84 (b) 13/08/1984 (c) 130/819/84 (d) 13/0819/84
3. 3.🔢 You want to remember the number 398316742267. Which chunked version keeps every digit in the same order? (a) 3931 6742 267 (b) 3983 1674 2267 (c) 3988 3167 42267 (d) 3983 1674 2276
4. 4.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only numbers (d) only pictures
5. 5.🔢 You want to remember the number 8726370527. Which chunked version keeps every digit in the same order? (a) 782 637 0527 (b) 872 663 70527 (c) 826 370 527 (d) 872 637 0527
6. 6.🔢 You want to remember the number 9844101058. Which chunked version keeps every digit in the same order? (a) 984 401 058 (b) 984 410 1058 (c) 998 441 01058 (d) 984 410 0158
7. 7.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) has no pattern (d) means something to you
11. 11.🔢 You want to remember the number 8361149656. Which chunked version keeps every digit in the same order? (a) 836 114 9656 (b) 836 114 965 (c) 836 111 49656 (d) 836 114 6956
12. 12.🔢 You want to remember the number 6912655024. Which chunked version keeps every digit in the same order? (a) 691 265 50024 (b) 691 256 5024 (c) 691 265 024 (d) 691 265 5024
13. 13.🔢 You want to remember the number 3455146830. Which chunked version keeps every digit in the same order? (a) 345 514 66830 (b) 345 146 830 (c) 345 541 6830 (d) 345 514 6830
14. 14.📅 The digits 07082023 are a date: day, month, year. Which chunking shows the date? (a) 07/0820/23 (b) 070/820/23 (c) 0708/20/23 (d) 07/08/2023
15. 15.🔢 You want to remember the number 972363712315. Which chunked version keeps every digit in the same order? (a) 9723 6371 2315 (b) 9723 6377 12315 (c) 9723 3712 315 (d) 9732 6371 2315
16. 16.🔢 You want to remember the number 698768344. Which chunked version keeps every digit in the same order? (a) 698 768 344 (b) 697 683 44 (c) 698 768 3444 (d) 697 868 344
17. 17.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.📅 The digits 13101992 are a date: day, month, year. Which chunking shows the date? (a) 131/019/92 (b) 13/1019/92 (c) 1310/19/92 (d) 13/10/1992
19. 19.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
20. 20.📅 The digits 10042015 are a date: day, month, year. Which chunking shows the date? (a) 100/420/15 (b) 10/0420/15 (c) 10/04/2015 (d) 1004/20/15
21. 21.🔢 You want to remember the number 570709394. Which chunked version keeps every digit in the same order? (a) 570 709 394 (b) 507 709 394 (c) 570 709 34 (d) 570 709 3944
22. 22.🔢 You want to remember the number 3163014572. Which chunked version keeps every digit in the same order? (a) 316 304 572 (b) 311 630 14572 (c) 316 301 4572 (d) 313 601 4572
23. 23.📅 The digits 10111957 are a date: day, month, year. Which chunking shows the date? (a) 10/11/1957 (b) 10/1119/57 (c) 1011/19/57 (d) 101/119/57
24. 24.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.📅 The digits 27042012 are a date: day, month, year. Which chunking shows the date? (a) 27/04/2012 (b) 270/420/12 (c) 27/0420/12 (d) 2704/20/12
26. 26.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
27. 27.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
28. 28.🔢 You want to remember the number 110770253. Which chunked version keeps every digit in the same order? (a) 110 770 253 (b) 110 772 053 (c) 110 770 2533 (d) 117 702 53
29. 29.📅 The digits 13082019 are a date: day, month, year. Which chunking shows the date? (a) 13/0820/19 (b) 130/820/19 (c) 1308/20/19 (d) 13/08/2019
30. 30.📅 The digits 28051975 are a date: day, month, year. Which chunking shows the date? (a) 2805/19/75 (b) 28/0519/75 (c) 28/05/1975 (d) 280/519/75
31. 31.🔢 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
32. 32.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) it has fewer digits (d) three chunks, not ten
33. 33.🔢 You want to remember the number 7302708907. Which chunked version keeps every digit in the same order? (a) 730 207 8907 (b) 730 270 8907 (c) 302 708 907 (d) 730 270 08907
34. 34.📅 The digits 15091969 are a date: day, month, year. Which chunking shows the date? (a) 15/0919/69 (b) 15/09/1969 (c) 1509/19/69 (d) 150/919/69
35. 35.🔢 You want to remember the number 414498603. Which chunked version keeps every digit in the same order? (a) 414 986 03 (b) 414 948 603 (c) 414 449 8603 (d) 414 498 603
36. 36.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
37. 37.📅 The digits 16041974 are a date: day, month, year. Which chunking shows the date? (a) 160/419/74 (b) 16/0419/74 (c) 1604/19/74 (d) 16/04/1974
38. 38.🔢 You want to remember the number 483403123. Which chunked version keeps every digit in the same order? (a) 483 403 123 (b) 448 340 3123 (c) 834 031 23 (d) 484 303 123
39. 39.🔢 You want to remember the number 5278443412. Which chunked version keeps every digit in the same order? (a) 527 484 3412 (b) 527 843 412 (c) 527 844 3412 (d) 527 844 34112
40. 40.🔢 You want to remember the number 565317769305. Which chunked version keeps every digit in the same order? (a) 5653 1776 93305 (b) 5653 1776 9035 (c) 5653 1776 9305 (d) 5653 1776 935

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