Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 863 · 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 233893334327. Which chunked version keeps every digit in the same order? (a) 2333 8933 34327 (b) 2338 9333 4327 (c) 3238 9333 4327 (d) 2389 3334 327
2. 2.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you
3. 3.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
5. 5.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) only pictures (d) nothing at all
6. 6.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
7. 7.📅 The digits 01101967 are a date: day, month, year. Which chunking shows the date? (a) 01/1019/67 (b) 011/019/67 (c) 0110/19/67 (d) 01/10/1967
8. 8.🔢 You want to remember the number 2004304853. Which chunked version keeps every digit in the same order? (a) 204 304 853 (b) 200 430 44853 (c) 204 030 4853 (d) 200 430 4853
9. 9.🔢 You want to remember the number 136442965476. Which chunked version keeps every digit in the same order? (a) 1364 4429 65476 (b) 1346 4296 5476 (c) 1364 4296 5476 (d) 1364 4296 546
10. 10.🔢 What is chunking? (a) splitting into groups (b) writing it twice (c) saying it backwards (d) reading very fast
11. 11.📅 The digits 28041999 are a date: day, month, year. Which chunking shows the date? (a) 2804/19/99 (b) 28/04/1999 (c) 28/0419/99 (d) 280/419/99
12. 12.🔢 You want to remember the number 2033823941. Which chunked version keeps every digit in the same order? (a) 203 382 394 (b) 023 382 3941 (c) 203 382 23941 (d) 203 382 3941
13. 13.🔢 You want to remember the number 908308935. Which chunked version keeps every digit in the same order? (a) 903 808 935 (b) 908 308 8935 (c) 908 308 935 (d) 908 309 35
14. 14.📅 The digits 23072021 are a date: day, month, year. Which chunking shows the date? (a) 2307/20/21 (b) 230/720/21 (c) 23/0720/21 (d) 23/07/2021
15. 15.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 19 and 47 (d) 1 and 947
16. 16.🔢 You want to remember the number 505389752597. Which chunked version keeps every digit in the same order? (a) 5053 8975 2597 (b) 5053 9875 2597 (c) 5058 9752 597 (d) 5505 3897 52597
17. 17.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 985296056. Which chunked version keeps every digit in the same order? (a) 985 299 6056 (b) 895 296 056 (c) 985 296 056 (d) 985 296 56
19. 19.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) it has fewer digits (d) three chunks, not ten
20. 20.🔢 You want to remember the number 184332425. Which chunked version keeps every digit in the same order? (a) 814 332 425 (b) 184 324 25 (c) 184 333 2425 (d) 184 332 425
21. 21.🔢 You want to remember the number 759503720. Which chunked version keeps every digit in the same order? (a) 759 503 720 (b) 579 503 720 (c) 595 037 20 (d) 759 950 3720
22. 22.🔢 You want to remember the number 7208092121. Which chunked version keeps every digit in the same order? (a) 720 809 2121 (b) 720 809 1221 (c) 708 092 121 (d) 720 809 92121
23. 23.📅 The digits 22111951 are a date: day, month, year. Which chunking shows the date? (a) 22/1119/51 (b) 2211/19/51 (c) 22/11/1951 (d) 221/119/51
24. 24.📅 The digits 24091961 are a date: day, month, year. Which chunking shows the date? (a) 24/09/1961 (b) 240/919/61 (c) 24/0919/61 (d) 2409/19/61
25. 25.📅 The digits 19012003 are a date: day, month, year. Which chunking shows the date? (a) 190/120/03 (b) 19/0120/03 (c) 1901/20/03 (d) 19/01/2003
26. 26.🔢 You want to remember the number 6528936732. Which chunked version keeps every digit in the same order? (a) 652 899 36732 (b) 652 836 732 (c) 652 893 6732 (d) 652 839 6732
27. 27.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 You want to remember the number 725012768310. Which chunked version keeps every digit in the same order? (a) 7250 1276 8301 (b) 7255 0127 68310 (c) 7250 1768 310 (d) 7250 1276 8310
29. 29.📅 The digits 07061974 are a date: day, month, year. Which chunking shows the date? (a) 07/0619/74 (b) 07/06/1974 (c) 070/619/74 (d) 0706/19/74
30. 30.📅 The digits 23101977 are a date: day, month, year. Which chunking shows the date? (a) 23/10/1977 (b) 23/1019/77 (c) 2310/19/77 (d) 231/019/77
31. 31.📅 The digits 01071958 are a date: day, month, year. Which chunking shows the date? (a) 01/07/1958 (b) 0107/19/58 (c) 01/0719/58 (d) 010/719/58
32. 32.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
34. 34.🔢 You want to remember the number 319835549045. Which chunked version keeps every digit in the same order? (a) 3199 8355 49045 (b) 1398 3554 9045 (c) 3198 3554 9045 (d) 3198 3554 045
35. 35.🔢 You want to remember the number 217590800824. Which chunked version keeps every digit in the same order? (a) 2175 9080 084 (b) 2715 9080 0824 (c) 2175 9908 00824 (d) 2175 9080 0824
36. 36.🔢 You want to remember the number 3449010452. Which chunked version keeps every digit in the same order? (a) 344 901 0452 (b) 344 901 452 (c) 349 401 0452 (d) 344 901 10452
37. 37.📅 The digits 15101962 are a date: day, month, year. Which chunking shows the date? (a) 1510/19/62 (b) 15/10/1962 (c) 15/1019/62 (d) 151/019/62
38. 38.🔢 You want to remember the number 171162289. Which chunked version keeps every digit in the same order? (a) 171 162 2289 (b) 171 162 289 (c) 171 622 89 (d) 117 162 289
39. 39.📅 The digits 09082024 are a date: day, month, year. Which chunking shows the date? (a) 090/820/24 (b) 09/0820/24 (c) 09/08/2024 (d) 0908/20/24
40. 40.📅 The digits 17121953 are a date: day, month, year. Which chunking shows the date? (a) 171/219/53 (b) 17/12/1953 (c) 1712/19/53 (d) 17/1219/53

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