Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 236 · 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 8-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) nothing at all (d) only pictures
3. 3.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
4. 4.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 19 and 47 (d) 1 and 947
5. 5.🔢 You want to remember the number 910399334. Which chunked version keeps every digit in the same order? (a) 910 399 343 (b) 910 399 9334 (c) 910 399 334 (d) 913 993 34
6. 6.📅 The digits 02031984 are a date: day, month, year. Which chunking shows the date? (a) 020/319/84 (b) 02/03/1984 (c) 0203/19/84 (d) 02/0319/84
7. 7.📅 The digits 02061973 are a date: day, month, year. Which chunking shows the date? (a) 020/619/73 (b) 02/0619/73 (c) 02/06/1973 (d) 0206/19/73
8. 8.🔢 You want to remember the number 324557962. Which chunked version keeps every digit in the same order? (a) 324 455 7962 (b) 324 557 962 (c) 325 457 962 (d) 324 559 62
9. 9.📅 The digits 22082015 are a date: day, month, year. Which chunking shows the date? (a) 22/0820/15 (b) 2208/20/15 (c) 22/08/2015 (d) 220/820/15
10. 10.📅 The digits 19051950 are a date: day, month, year. Which chunking shows the date? (a) 19/0519/50 (b) 1905/19/50 (c) 19/05/1950 (d) 190/519/50
11. 11.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
12. 12.📅 The digits 10011995 are a date: day, month, year. Which chunking shows the date? (a) 100/119/95 (b) 10/0119/95 (c) 10/01/1995 (d) 1001/19/95
13. 13.🔢 You want to remember the number 7535239380. Which chunked version keeps every digit in the same order? (a) 753 523 380 (b) 753 529 3380 (c) 753 523 9380 (d) 753 552 39380
14. 14.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) changes daily (d) is very long
15. 15.📅 The digits 19012020 are a date: day, month, year. Which chunking shows the date? (a) 190/120/20 (b) 19/01/2020 (c) 19/0120/20 (d) 1901/20/20
16. 16.📅 The digits 01041955 are a date: day, month, year. Which chunking shows the date? (a) 0104/19/55 (b) 01/0419/55 (c) 010/419/55 (d) 01/04/1955
17. 17.📅 The digits 02091978 are a date: day, month, year. Which chunking shows the date? (a) 02/09/1978 (b) 020/919/78 (c) 02/0919/78 (d) 0209/19/78
18. 18.🔢 You want to remember the number 736615850917. Which chunked version keeps every digit in the same order? (a) 7366 1585 0917 (b) 7336 6158 50917 (c) 7361 5850 917 (d) 7366 1585 0971
19. 19.🔢 You want to remember the number 9108570627. Which chunked version keeps every digit in the same order? (a) 910 587 0627 (b) 910 870 627 (c) 910 857 06227 (d) 910 857 0627
20. 20.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) three chunks, not ten (d) it is a smaller number
21. 21.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
22. 22.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.🔢 You want to remember the number 9792225030. Which chunked version keeps every digit in the same order? (a) 979 222 5030 (b) 979 222 530 (c) 979 222 50030 (d) 997 222 5030
24. 24.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
25. 25.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
26. 26.🔢 You want to remember the number 781924701030. Which chunked version keeps every digit in the same order? (a) 7819 2477 01030 (b) 7819 2407 1030 (c) 7819 4701 030 (d) 7819 2470 1030
27. 27.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
28. 28.🔢 You want to remember the number 136018727. Which chunked version keeps every digit in the same order? (a) 136 087 27 (b) 136 018 7277 (c) 136 108 727 (d) 136 018 727
29. 29.🔢 You want to remember the number 8037491414. Which chunked version keeps every digit in the same order? (a) 803 749 1414 (b) 803 741 414 (c) 803 741 9414 (d) 803 749 14144
30. 30.📅 The digits 02121991 are a date: day, month, year. Which chunking shows the date? (a) 02/1219/91 (b) 02/12/1991 (c) 0212/19/91 (d) 021/219/91
31. 31.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
32. 32.🔢 You want to remember the number 919419140510. Which chunked version keeps every digit in the same order? (a) 9149 1914 0510 (b) 9194 1911 40510 (c) 9194 1940 510 (d) 9194 1914 0510
33. 33.🔢 You want to remember the number 556798450. Which chunked version keeps every digit in the same order? (a) 556 798 450 (b) 556 798 4500 (c) 556 794 850 (d) 556 798 40
34. 34.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
35. 35.🔢 You want to remember the number 101914682545. Which chunked version keeps every digit in the same order? (a) 1019 1468 2545 (b) 1011 9146 82545 (c) 1019 1462 545 (d) 1019 1468 5245
36. 36.📅 The digits 15072021 are a date: day, month, year. Which chunking shows the date? (a) 150/720/21 (b) 1507/20/21 (c) 15/07/2021 (d) 15/0720/21
37. 37.📅 The digits 20041963 are a date: day, month, year. Which chunking shows the date? (a) 20/04/1963 (b) 20/0419/63 (c) 2004/19/63 (d) 200/419/63
38. 38.🔢 You want to remember the number 3841109435. Which chunked version keeps every digit in the same order? (a) 381 410 9435 (b) 384 110 9435 (c) 384 110 99435 (d) 384 109 435
39. 39.🔢 You want to remember the number 362378949640. Which chunked version keeps every digit in the same order? (a) 3623 7894 9640 (b) 3623 7899 4640 (c) 3637 8949 640 (d) 3623 7894 49640
40. 40.📅 The digits 26022022 are a date: day, month, year. Which chunking shows the date? (a) 26/0220/22 (b) 26/02/2022 (c) 260/220/22 (d) 2602/20/22

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