Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 890 · 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 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 17072009 are a date: day, month, year. Which chunking shows the date? (a) 17/07/2009 (b) 17/0720/09 (c) 1707/20/09 (d) 170/720/09
3. 3.📅 The digits 17061980 are a date: day, month, year. Which chunking shows the date? (a) 17/0619/80 (b) 170/619/80 (c) 17/06/1980 (d) 1706/19/80
4. 4.🔢 You want to remember the number 156265545118. Which chunked version keeps every digit in the same order? (a) 1562 6554 511 (b) 1562 6554 5118 (c) 1652 6554 5118 (d) 1562 6554 51118
5. 5.🔢 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
6. 6.🔢 You want to remember the number 129204274. Which chunked version keeps every digit in the same order? (a) 192 042 74 (b) 122 904 274 (c) 129 204 274 (d) 129 204 4274
7. 7.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
9. 9.🔢 Chunking works for… (a) only numbers (b) only pictures (c) numbers and letter lists (d) nothing at all
10. 10.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.📅 The digits 13082011 are a date: day, month, year. Which chunking shows the date? (a) 13/08/2011 (b) 130/820/11 (c) 1308/20/11 (d) 13/0820/11
12. 12.📅 The digits 04081987 are a date: day, month, year. Which chunking shows the date? (a) 040/819/87 (b) 04/0819/87 (c) 0408/19/87 (d) 04/08/1987
13. 13.🔢 You want to remember the number 956218708. Which chunked version keeps every digit in the same order? (a) 956 218 78 (b) 956 281 708 (c) 956 221 8708 (d) 956 218 708
14. 14.🔢 You want to remember the number 980561739. Which chunked version keeps every digit in the same order? (a) 908 561 739 (b) 980 517 39 (c) 980 561 739 (d) 980 561 7739
15. 15.📅 The digits 27121972 are a date: day, month, year. Which chunking shows the date? (a) 27/12/1972 (b) 27/1219/72 (c) 2712/19/72 (d) 271/219/72
16. 16.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
17. 17.🔢 You want to remember the number 416596329. Which chunked version keeps every digit in the same order? (a) 416 596 6329 (b) 416 596 39 (c) 415 696 329 (d) 416 596 329
18. 18.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.📅 The digits 27021982 are a date: day, month, year. Which chunking shows the date? (a) 27/0219/82 (b) 2702/19/82 (c) 270/219/82 (d) 27/02/1982
20. 20.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
21. 21.📅 The digits 14101982 are a date: day, month, year. Which chunking shows the date? (a) 14/1019/82 (b) 1410/19/82 (c) 141/019/82 (d) 14/10/1982
22. 22.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you
23. 23.🔢 You want to remember the number 650044907. Which chunked version keeps every digit in the same order? (a) 605 044 907 (b) 650 044 907 (c) 650 044 07 (d) 665 004 4907
24. 24.🔢 You want to remember the number 2464492609. Which chunked version keeps every digit in the same order? (a) 264 449 2609 (b) 246 449 26099 (c) 246 449 2609 (d) 246 449 260
25. 25.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) saying it backwards (d) splitting into groups
26. 26.🔢 You want to remember the number 1774547844. Which chunked version keeps every digit in the same order? (a) 177 454 78844 (b) 177 454 7844 (c) 177 457 4844 (d) 177 454 844
27. 27.🔢 You want to remember the number 339846677. Which chunked version keeps every digit in the same order? (a) 339 466 77 (b) 333 984 6677 (c) 339 846 677 (d) 338 946 677
28. 28.🔢 You want to remember the number 209242772013. Which chunked version keeps every digit in the same order? (a) 2009 2427 72013 (b) 2092 4272 013 (c) 2092 4277 2013 (d) 2092 2477 2013
29. 29.📅 The digits 18031981 are a date: day, month, year. Which chunking shows the date? (a) 180/319/81 (b) 18/03/1981 (c) 1803/19/81 (d) 18/0319/81
30. 30.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
31. 31.🔢 You want to remember the number 901720270732. Which chunked version keeps every digit in the same order? (a) 9012 7027 0732 (b) 9017 2027 0732 (c) 9017 2002 70732 (d) 9017 2020 732
32. 32.📅 The digits 15042017 are a date: day, month, year. Which chunking shows the date? (a) 15/0420/17 (b) 15/04/2017 (c) 150/420/17 (d) 1504/20/17
33. 33.🔢 You want to remember the number 193636901. Which chunked version keeps every digit in the same order? (a) 139 636 901 (b) 199 363 6901 (c) 193 636 901 (d) 936 369 01
34. 34.🔢 You want to remember the number 295018783. Which chunked version keeps every digit in the same order? (a) 295 018 783 (b) 299 501 8783 (c) 950 187 83 (d) 290 518 783
35. 35.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 19 and 47 (d) 1 9 4 7
36. 36.📅 The digits 19021966 are a date: day, month, year. Which chunking shows the date? (a) 19/02/1966 (b) 19/0219/66 (c) 1902/19/66 (d) 190/219/66
37. 37.🔢 You want to remember the number 430350630. Which chunked version keeps every digit in the same order? (a) 430 350 630 (b) 430 506 30 (c) 430 335 0630 (d) 430 350 360
38. 38.🔢 You want to remember the number 5059380178. Which chunked version keeps every digit in the same order? (a) 505 930 8178 (b) 505 938 0178 (c) 559 380 178 (d) 505 938 01788
39. 39.🔢 You want to remember the number 6776631038. Which chunked version keeps every digit in the same order? (a) 677 631 038 (b) 677 636 1038 (c) 677 663 1038 (d) 677 663 11038
40. 40.📅 The digits 03101985 are a date: day, month, year. Which chunking shows the date? (a) 0310/19/85 (b) 03/10/1985 (c) 03/1019/85 (d) 031/019/85

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