Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 914 · 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 4 chunks. How many fewer things do you hold in mind?
2. 2.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) three chunks, not ten (d) it has fewer digits
3. 3.📅 The digits 11081981 are a date: day, month, year. Which chunking shows the date? (a) 110/819/81 (b) 1108/19/81 (c) 11/0819/81 (d) 11/08/1981
4. 4.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
5. 5.🔢 A chunk is easiest to keep when it… (a) means something to you (b) is very long (c) has no pattern (d) changes daily
6. 6.📅 The digits 08032009 are a date: day, month, year. Which chunking shows the date? (a) 080/320/09 (b) 08/0320/09 (c) 08/03/2009 (d) 0803/20/09
7. 7.🔢 You want to remember the number 7602536400. Which chunked version keeps every digit in the same order? (a) 760 256 3400 (b) 760 236 400 (c) 760 253 6400 (d) 760 253 64000
8. 8.🔢 You want to remember the number 319214941. Which chunked version keeps every digit in the same order? (a) 319 219 441 (b) 319 214 941 (c) 331 921 4941 (d) 319 214 91
9. 9.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.📅 The digits 15072015 are a date: day, month, year. Which chunking shows the date? (a) 15/0720/15 (b) 150/720/15 (c) 15/07/2015 (d) 1507/20/15
11. 11.🔢 You want to remember the number 1429591365. Which chunked version keeps every digit in the same order? (a) 142 959 165 (b) 142 959 91365 (c) 142 959 1365 (d) 142 599 1365
12. 12.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) only numbers (d) nothing at all
13. 13.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) reading very fast (d) saying it backwards
15. 15.📅 The digits 12021957 are a date: day, month, year. Which chunking shows the date? (a) 120/219/57 (b) 1202/19/57 (c) 12/0219/57 (d) 12/02/1957
16. 16.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
17. 17.📅 The digits 21102014 are a date: day, month, year. Which chunking shows the date? (a) 21/10/2014 (b) 211/020/14 (c) 21/1020/14 (d) 2110/20/14
18. 18.📅 The digits 17081987 are a date: day, month, year. Which chunking shows the date? (a) 17/08/1987 (b) 1708/19/87 (c) 17/0819/87 (d) 170/819/87
19. 19.📅 The digits 21061963 are a date: day, month, year. Which chunking shows the date? (a) 2106/19/63 (b) 21/0619/63 (c) 21/06/1963 (d) 210/619/63
20. 20.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 194 and 7 (d) 1 9 4 7
21. 21.📅 The digits 03101969 are a date: day, month, year. Which chunking shows the date? (a) 03/10/1969 (b) 031/019/69 (c) 03/1019/69 (d) 0310/19/69
22. 22.🔢 You want to remember the number 2858149392. Which chunked version keeps every digit in the same order? (a) 285 814 992 (b) 285 581 49392 (c) 825 814 9392 (d) 285 814 9392
23. 23.🔢 You want to remember the number 7513713630. Which chunked version keeps every digit in the same order? (a) 751 317 3630 (b) 751 371 363 (c) 751 337 13630 (d) 751 371 3630
24. 24.📅 The digits 24021982 are a date: day, month, year. Which chunking shows the date? (a) 240/219/82 (b) 2402/19/82 (c) 24/02/1982 (d) 24/0219/82
25. 25.🔢 You want to remember the number 8719754732. Which chunked version keeps every digit in the same order? (a) 871 754 732 (b) 781 975 4732 (c) 871 975 4732 (d) 871 975 44732
26. 26.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.📅 The digits 21091972 are a date: day, month, year. Which chunking shows the date? (a) 21/0919/72 (b) 2109/19/72 (c) 210/919/72 (d) 21/09/1972
28. 28.🔢 You want to remember the number 213160639. Which chunked version keeps every digit in the same order? (a) 213 160 6339 (b) 213 606 39 (c) 213 160 639 (d) 213 610 639
29. 29.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
30. 30.🔢 You want to remember the number 982422584359. Which chunked version keeps every digit in the same order? (a) 9824 2258 4359 (b) 9284 2258 4359 (c) 9824 2258 459 (d) 9824 2258 44359
31. 31.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
32. 32.📅 The digits 16022017 are a date: day, month, year. Which chunking shows the date? (a) 16/02/2017 (b) 16/0220/17 (c) 1602/20/17 (d) 160/220/17
33. 33.📅 The digits 02111993 are a date: day, month, year. Which chunking shows the date? (a) 0211/19/93 (b) 021/119/93 (c) 02/1119/93 (d) 02/11/1993
34. 34.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
35. 35.📅 The digits 04071967 are a date: day, month, year. Which chunking shows the date? (a) 0407/19/67 (b) 04/07/1967 (c) 04/0719/67 (d) 040/719/67
36. 36.📅 The digits 16061977 are a date: day, month, year. Which chunking shows the date? (a) 16/06/1977 (b) 16/0619/77 (c) 160/619/77 (d) 1606/19/77
37. 37.📅 The digits 15011971 are a date: day, month, year. Which chunking shows the date? (a) 15/01/1971 (b) 150/119/71 (c) 1501/19/71 (d) 15/0119/71
38. 38.🔢 You want to remember the number 112283105923. Which chunked version keeps every digit in the same order? (a) 1128 2310 5923 (b) 1122 8315 923 (c) 1122 8310 5923 (d) 1122 2831 05923
39. 39.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
40. 40.📅 The digits 01062003 are a date: day, month, year. Which chunking shows the date? (a) 01/06/2003 (b) 010/620/03 (c) 01/0620/03 (d) 0106/20/03

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