Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 557 · 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 10-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
5. 5.🔢 You want to remember the number 730800912. Which chunked version keeps every digit in the same order? (a) 730 800 921 (b) 730 800 912 (c) 730 800 92 (d) 733 080 0912
6. 6.📅 The digits 28071977 are a date: day, month, year. Which chunking shows the date? (a) 28/0719/77 (b) 280/719/77 (c) 28/07/1977 (d) 2807/19/77
7. 7.🔢 You want to remember the number 973702810338. Which chunked version keeps every digit in the same order? (a) 7937 0281 0338 (b) 9737 0281 0338 (c) 9737 0810 338 (d) 9737 0288 10338
8. 8.📅 The digits 17071955 are a date: day, month, year. Which chunking shows the date? (a) 170/719/55 (b) 17/07/1955 (c) 1707/19/55 (d) 17/0719/55
9. 9.📅 The digits 12011988 are a date: day, month, year. Which chunking shows the date? (a) 120/119/88 (b) 12/01/1988 (c) 12/0119/88 (d) 1201/19/88
10. 10.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
11. 11.📅 The digits 13072020 are a date: day, month, year. Which chunking shows the date? (a) 13/07/2020 (b) 1307/20/20 (c) 13/0720/20 (d) 130/720/20
12. 12.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) splitting into groups (d) reading very fast
13. 13.📅 The digits 01031980 are a date: day, month, year. Which chunking shows the date? (a) 010/319/80 (b) 0103/19/80 (c) 01/03/1980 (d) 01/0319/80
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 1217339463. Which chunked version keeps every digit in the same order? (a) 112 173 39463 (b) 121 739 463 (c) 121 733 9436 (d) 121 733 9463
16. 16.🔢 You want to remember the number 967856230. Which chunked version keeps every digit in the same order? (a) 967 856 20 (b) 967 856 230 (c) 976 856 230 (d) 966 785 6230
17. 17.📅 The digits 21041996 are a date: day, month, year. Which chunking shows the date? (a) 2104/19/96 (b) 21/04/1996 (c) 21/0419/96 (d) 210/419/96
18. 18.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 605270707890. Which chunked version keeps every digit in the same order? (a) 6052 7700 7890 (b) 6052 7077 07890 (c) 6052 7070 7890 (d) 6027 0707 890
20. 20.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 723779492. Which chunked version keeps every digit in the same order? (a) 723 777 9492 (b) 737 794 92 (c) 723 779 492 (d) 723 779 429
22. 22.🔢 You want to remember the number 227693144140. Which chunked version keeps every digit in the same order? (a) 2276 9314 1440 (b) 2279 3144 140 (c) 2277 6931 44140 (d) 2276 9314 4140
23. 23.📅 The digits 06082015 are a date: day, month, year. Which chunking shows the date? (a) 06/0820/15 (b) 0608/20/15 (c) 06/08/2015 (d) 060/820/15
24. 24.📅 The digits 19031978 are a date: day, month, year. Which chunking shows the date? (a) 190/319/78 (b) 19/0319/78 (c) 19/03/1978 (d) 1903/19/78
25. 25.📅 The digits 11091977 are a date: day, month, year. Which chunking shows the date? (a) 110/919/77 (b) 11/09/1977 (c) 11/0919/77 (d) 1109/19/77
26. 26.🔢 You want to remember the number 6666303214. Which chunked version keeps every digit in the same order? (a) 666 630 3214 (b) 666 630 324 (c) 666 633 03214 (d) 666 630 2314
27. 27.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 1 and 947 (d) 194 and 7
28. 28.🔢 You want to remember the number 278161472. Which chunked version keeps every digit in the same order? (a) 278 161 472 (b) 278 161 1472 (c) 281 614 72 (d) 271 861 472
29. 29.📅 The digits 21062007 are a date: day, month, year. Which chunking shows the date? (a) 2106/20/07 (b) 21/06/2007 (c) 210/620/07 (d) 21/0620/07
30. 30.📅 The digits 02061985 are a date: day, month, year. Which chunking shows the date? (a) 02/0619/85 (b) 02/06/1985 (c) 0206/19/85 (d) 020/619/85
31. 31.🔢 You want to remember the number 8075106969. Which chunked version keeps every digit in the same order? (a) 807 516 0969 (b) 875 106 969 (c) 807 510 6969 (d) 800 751 06969
32. 32.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it has fewer digits (c) it is printed bigger (d) three chunks, not ten
33. 33.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) only pictures (d) nothing at all
34. 34.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
35. 35.🔢 You want to remember the number 433831572556. Which chunked version keeps every digit in the same order? (a) 4338 3157 22556 (b) 4338 3157 2556 (c) 4338 1572 556 (d) 4338 3152 7556
36. 36.📅 The digits 20031952 are a date: day, month, year. Which chunking shows the date? (a) 2003/19/52 (b) 20/0319/52 (c) 200/319/52 (d) 20/03/1952
37. 37.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) means something to you (d) changes daily
38. 38.📅 The digits 09021955 are a date: day, month, year. Which chunking shows the date? (a) 0902/19/55 (b) 090/219/55 (c) 09/0219/55 (d) 09/02/1955
39. 39.🔢 You want to remember the number 3208735914. Which chunked version keeps every digit in the same order? (a) 320 873 5914 (b) 320 735 914 (c) 302 873 5914 (d) 320 873 35914
40. 40.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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