Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 636 · 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 8725101914. Which chunked version keeps every digit in the same order? (a) 872 510 1914 (b) 872 510 1941 (c) 872 511 914 (d) 887 251 01914
2. 2.📅 The digits 22091978 are a date: day, month, year. Which chunking shows the date? (a) 2209/19/78 (b) 22/0919/78 (c) 220/919/78 (d) 22/09/1978
3. 3.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
4. 4.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) it has fewer digits (d) three chunks, not ten
5. 5.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) reading very fast (d) splitting into groups
6. 6.🔢 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
7. 7.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 You want to remember the number 6615483206. Which chunked version keeps every digit in the same order? (a) 661 548 3206 (b) 661 554 83206 (c) 665 483 206 (d) 661 548 3260
10. 10.📅 The digits 20041995 are a date: day, month, year. Which chunking shows the date? (a) 20/0419/95 (b) 200/419/95 (c) 2004/19/95 (d) 20/04/1995
11. 11.📅 The digits 12041974 are a date: day, month, year. Which chunking shows the date? (a) 120/419/74 (b) 1204/19/74 (c) 12/0419/74 (d) 12/04/1974
12. 12.🔢 You want to remember the number 914970027081. Which chunked version keeps every digit in the same order? (a) 9149 7002 708 (b) 9149 7700 27081 (c) 9149 7002 7081 (d) 9194 7002 7081
13. 13.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
14. 14.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) means something to you (d) has no pattern
15. 15.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
16. 16.📅 The digits 24102011 are a date: day, month, year. Which chunking shows the date? (a) 2410/20/11 (b) 24/1020/11 (c) 241/020/11 (d) 24/10/2011
17. 17.📅 The digits 08072013 are a date: day, month, year. Which chunking shows the date? (a) 0807/20/13 (b) 08/07/2013 (c) 08/0720/13 (d) 080/720/13
18. 18.📅 The digits 14081988 are a date: day, month, year. Which chunking shows the date? (a) 14/08/1988 (b) 1408/19/88 (c) 140/819/88 (d) 14/0819/88
19. 19.📅 The digits 06022021 are a date: day, month, year. Which chunking shows the date? (a) 060/220/21 (b) 06/02/2021 (c) 0602/20/21 (d) 06/0220/21
20. 20.🔢 You want to remember the number 699152960042. Which chunked version keeps every digit in the same order? (a) 6991 5269 0042 (b) 6991 5296 0042 (c) 6991 5296 60042 (d) 6915 2960 042
21. 21.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
22. 22.🔢 Instead of holding 9 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 3507866827. Which chunked version keeps every digit in the same order? (a) 350 786 66827 (b) 507 866 827 (c) 350 786 6827 (d) 350 876 6827
24. 24.📅 The digits 05032012 are a date: day, month, year. Which chunking shows the date? (a) 05/0320/12 (b) 05/03/2012 (c) 050/320/12 (d) 0503/20/12
25. 25.📅 The digits 21072007 are a date: day, month, year. Which chunking shows the date? (a) 210/720/07 (b) 21/07/2007 (c) 21/0720/07 (d) 2107/20/07
26. 26.🔢 You want to remember the number 204130243886. Which chunked version keeps every digit in the same order? (a) 2041 1302 43886 (b) 2041 0324 3886 (c) 2041 3024 3886 (d) 2041 3024 386
27. 27.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
28. 28.📅 The digits 25101983 are a date: day, month, year. Which chunking shows the date? (a) 2510/19/83 (b) 25/10/1983 (c) 251/019/83 (d) 25/1019/83
29. 29.🔢 You want to remember the number 4507384436. Which chunked version keeps every digit in the same order? (a) 450 738 44436 (b) 450 734 8436 (c) 450 738 4436 (d) 407 384 436
30. 30.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.📅 The digits 17092006 are a date: day, month, year. Which chunking shows the date? (a) 170/920/06 (b) 17/09/2006 (c) 17/0920/06 (d) 1709/20/06
32. 32.📅 The digits 18072014 are a date: day, month, year. Which chunking shows the date? (a) 18/07/2014 (b) 1807/20/14 (c) 18/0720/14 (d) 180/720/14
33. 33.📅 The digits 12101999 are a date: day, month, year. Which chunking shows the date? (a) 121/019/99 (b) 12/10/1999 (c) 1210/19/99 (d) 12/1019/99
34. 34.🔢 You want to remember the number 832918403470. Which chunked version keeps every digit in the same order? (a) 8239 1840 3470 (b) 8329 1840 3470 (c) 8329 1840 03470 (d) 8291 8403 470
35. 35.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
36. 36.📅 The digits 10071952 are a date: day, month, year. Which chunking shows the date? (a) 10/0719/52 (b) 10/07/1952 (c) 1007/19/52 (d) 100/719/52
37. 37.📅 The digits 15072004 are a date: day, month, year. Which chunking shows the date? (a) 150/720/04 (b) 15/0720/04 (c) 15/07/2004 (d) 1507/20/04
38. 38.📅 The digits 19041952 are a date: day, month, year. Which chunking shows the date? (a) 19/0419/52 (b) 190/419/52 (c) 19/04/1952 (d) 1904/19/52
39. 39.📅 The digits 02081965 are a date: day, month, year. Which chunking shows the date? (a) 02/08/1965 (b) 020/819/65 (c) 02/0819/65 (d) 0208/19/65
40. 40.📅 The digits 26121986 are a date: day, month, year. Which chunking shows the date? (a) 26/1219/86 (b) 26/12/1986 (c) 261/219/86 (d) 2612/19/86

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