Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 868 · 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 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 20072025 are a date: day, month, year. Which chunking shows the date? (a) 20/0720/25 (b) 200/720/25 (c) 20/07/2025 (d) 2007/20/25
3. 3.📅 The digits 08021957 are a date: day, month, year. Which chunking shows the date? (a) 08/02/1957 (b) 080/219/57 (c) 08/0219/57 (d) 0802/19/57
4. 4.🔢 You want to remember the number 871072210. Which chunked version keeps every digit in the same order? (a) 781 072 210 (b) 871 072 21 (c) 871 072 2100 (d) 871 072 210
5. 5.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
7. 7.📅 The digits 19071962 are a date: day, month, year. Which chunking shows the date? (a) 190/719/62 (b) 1907/19/62 (c) 19/07/1962 (d) 19/0719/62
8. 8.📅 The digits 02011976 are a date: day, month, year. Which chunking shows the date? (a) 02/0119/76 (b) 0201/19/76 (c) 020/119/76 (d) 02/01/1976
9. 9.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
10. 10.🔢 You want to remember the number 9218371058. Which chunked version keeps every digit in the same order? (a) 921 837 1058 (b) 921 837 10588 (c) 921 871 058 (d) 921 837 0158
11. 11.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it is printed bigger (d) it has fewer digits
13. 13.📅 The digits 20122015 are a date: day, month, year. Which chunking shows the date? (a) 2012/20/15 (b) 20/12/2015 (c) 201/220/15 (d) 20/1220/15
14. 14.🔢 A chunk is easiest to keep when it… (a) means something to you (b) is very long (c) has no pattern (d) changes daily
15. 15.📅 The digits 28091952 are a date: day, month, year. Which chunking shows the date? (a) 2809/19/52 (b) 28/0919/52 (c) 280/919/52 (d) 28/09/1952
16. 16.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) splitting into groups (d) reading very fast
17. 17.🔢 You want to remember the number 3080308762. Which chunked version keeps every digit in the same order? (a) 308 030 8762 (b) 300 803 08762 (c) 308 030 872 (d) 308 030 8672
18. 18.🔢 You want to remember the number 506107616510. Which chunked version keeps every digit in the same order? (a) 5061 0761 6501 (b) 0610 7616 510 (c) 5006 1076 16510 (d) 5061 0761 6510
19. 19.🔢 You want to remember the number 422894101. Which chunked version keeps every digit in the same order? (a) 428 941 01 (b) 422 894 1001 (c) 428 294 101 (d) 422 894 101
20. 20.📅 The digits 10071959 are a date: day, month, year. Which chunking shows the date? (a) 1007/19/59 (b) 100/719/59 (c) 10/07/1959 (d) 10/0719/59
21. 21.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
22. 22.📅 The digits 03091989 are a date: day, month, year. Which chunking shows the date? (a) 030/919/89 (b) 0309/19/89 (c) 03/0919/89 (d) 03/09/1989
23. 23.🔢 You want to remember the number 894406192015. Which chunked version keeps every digit in the same order? (a) 8894 4061 92015 (b) 8944 0692 015 (c) 8944 0619 2015 (d) 9844 0619 2015
24. 24.📅 The digits 01071961 are a date: day, month, year. Which chunking shows the date? (a) 01/0719/61 (b) 0107/19/61 (c) 01/07/1961 (d) 010/719/61
25. 25.🔢 You want to remember the number 189040794751. Which chunked version keeps every digit in the same order? (a) 1890 4079 47551 (b) 1890 0479 4751 (c) 1890 4079 4751 (d) 1890 4794 751
26. 26.📅 The digits 19031954 are a date: day, month, year. Which chunking shows the date? (a) 190/319/54 (b) 19/0319/54 (c) 19/03/1954 (d) 1903/19/54
27. 27.🔢 You want to remember the number 313809348694. Which chunked version keeps every digit in the same order? (a) 3133 8093 48694 (b) 3138 0934 8694 (c) 3130 8934 8694 (d) 3138 0934 869
28. 28.📅 The digits 19021980 are a date: day, month, year. Which chunking shows the date? (a) 190/219/80 (b) 1902/19/80 (c) 19/0219/80 (d) 19/02/1980
29. 29.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
30. 30.📅 The digits 14021974 are a date: day, month, year. Which chunking shows the date? (a) 1402/19/74 (b) 140/219/74 (c) 14/02/1974 (d) 14/0219/74
31. 31.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) numbers and letter lists (d) only pictures
32. 32.🔢 You want to remember the number 806572484. Which chunked version keeps every digit in the same order? (a) 806 572 484 (b) 860 572 484 (c) 806 724 84 (d) 800 657 2484
33. 33.📅 The digits 22012004 are a date: day, month, year. Which chunking shows the date? (a) 22/01/2004 (b) 22/0120/04 (c) 220/120/04 (d) 2201/20/04
34. 34.🔢 You want to remember the number 940687065858. Which chunked version keeps every digit in the same order? (a) 9406 8706 55858 (b) 4068 7065 858 (c) 9406 8706 5858 (d) 9406 8705 6858
35. 35.📅 The digits 03091969 are a date: day, month, year. Which chunking shows the date? (a) 03/09/1969 (b) 0309/19/69 (c) 03/0919/69 (d) 030/919/69
36. 36.📅 The digits 11121955 are a date: day, month, year. Which chunking shows the date? (a) 1112/19/55 (b) 11/12/1955 (c) 11/1219/55 (d) 111/219/55
37. 37.📅 The digits 25091996 are a date: day, month, year. Which chunking shows the date? (a) 2509/19/96 (b) 250/919/96 (c) 25/09/1996 (d) 25/0919/96
38. 38.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 1 9 4 7 (c) 19 and 47 (d) 194 and 7
39. 39.🔢 You want to remember the number 7257079861. Which chunked version keeps every digit in the same order? (a) 772 570 79861 (b) 257 079 861 (c) 725 709 7861 (d) 725 707 9861
40. 40.📅 The digits 03071998 are a date: day, month, year. Which chunking shows the date? (a) 030/719/98 (b) 0307/19/98 (c) 03/07/1998 (d) 03/0719/98

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