Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 261 · 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 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) splitting into groups (d) saying it backwards
3. 3.🔢 You want to remember the number 978065477. Which chunked version keeps every digit in the same order? (a) 978 065 47 (b) 978 056 477 (c) 978 065 477 (d) 978 065 4477
4. 4.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
5. 5.🔢 You want to remember the number 3160327994. Which chunked version keeps every digit in the same order? (a) 160 327 994 (b) 316 032 7994 (c) 316 032 27994 (d) 310 632 7994
6. 6.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.📅 The digits 10062024 are a date: day, month, year. Which chunking shows the date? (a) 1006/20/24 (b) 100/620/24 (c) 10/0620/24 (d) 10/06/2024
8. 8.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) nothing at all (d) only pictures
9. 9.🔢 You want to remember the number 522051607815. Which chunked version keeps every digit in the same order? (a) 5220 5160 78815 (b) 5220 5160 7815 (c) 5220 5160 815 (d) 5220 5106 7815
10. 10.🔢 You want to remember the number 8398478976. Which chunked version keeps every digit in the same order? (a) 839 847 896 (b) 839 847 8967 (c) 839 847 8976 (d) 839 847 89766
11. 11.🔢 You want to remember the number 8261140060. Which chunked version keeps every digit in the same order? (a) 826 114 0060 (b) 882 611 40060 (c) 826 114 0006 (d) 826 114 006
12. 12.📅 The digits 28121968 are a date: day, month, year. Which chunking shows the date? (a) 2812/19/68 (b) 281/219/68 (c) 28/1219/68 (d) 28/12/1968
13. 13.🔢 You want to remember the number 127071559. Which chunked version keeps every digit in the same order? (a) 270 715 59 (b) 217 071 559 (c) 127 071 5599 (d) 127 071 559
14. 14.📅 The digits 04102013 are a date: day, month, year. Which chunking shows the date? (a) 041/020/13 (b) 04/1020/13 (c) 04/10/2013 (d) 0410/20/13
15. 15.🔢 You want to remember the number 3706677224. Which chunked version keeps every digit in the same order? (a) 307 667 7224 (b) 370 667 7224 (c) 306 677 224 (d) 370 667 77224
16. 16.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
17. 17.📅 The digits 07022009 are a date: day, month, year. Which chunking shows the date? (a) 07/02/2009 (b) 070/220/09 (c) 07/0220/09 (d) 0702/20/09
18. 18.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
19. 19.📅 The digits 28081953 are a date: day, month, year. Which chunking shows the date? (a) 280/819/53 (b) 28/0819/53 (c) 28/08/1953 (d) 2808/19/53
20. 20.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) it is printed bigger (d) three chunks, not ten
21. 21.📅 The digits 09081993 are a date: day, month, year. Which chunking shows the date? (a) 09/08/1993 (b) 090/819/93 (c) 0908/19/93 (d) 09/0819/93
22. 22.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.📅 The digits 19121962 are a date: day, month, year. Which chunking shows the date? (a) 191/219/62 (b) 19/12/1962 (c) 19/1219/62 (d) 1912/19/62
24. 24.📅 The digits 08012019 are a date: day, month, year. Which chunking shows the date? (a) 0801/20/19 (b) 08/01/2019 (c) 080/120/19 (d) 08/0120/19
25. 25.🔢 A chunk is easiest to keep when it… (a) means something to you (b) changes daily (c) has no pattern (d) is very long
26. 26.📅 The digits 05122023 are a date: day, month, year. Which chunking shows the date? (a) 05/1220/23 (b) 0512/20/23 (c) 051/220/23 (d) 05/12/2023
27. 27.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 9137686817. Which chunked version keeps every digit in the same order? (a) 137 686 817 (b) 913 768 66817 (c) 913 768 6187 (d) 913 768 6817
30. 30.🔢 You want to remember the number 245563236360. Which chunked version keeps every digit in the same order? (a) 2455 6323 6306 (b) 2455 6323 36360 (c) 2456 3236 360 (d) 2455 6323 6360
31. 31.🔢 You want to remember the number 600162813. Which chunked version keeps every digit in the same order? (a) 600 162 813 (b) 600 116 2813 (c) 600 168 13 (d) 600 168 213
32. 32.🔢 You want to remember the number 558498809. Which chunked version keeps every digit in the same order? (a) 558 498 809 (b) 558 948 809 (c) 558 498 09 (d) 558 498 8809
33. 33.📅 The digits 09041973 are a date: day, month, year. Which chunking shows the date? (a) 090/419/73 (b) 09/04/1973 (c) 0904/19/73 (d) 09/0419/73
34. 34.🔢 You want to remember the number 910216844503. Which chunked version keeps every digit in the same order? (a) 9102 1684 4503 (b) 9102 1688 44503 (c) 9102 1684 503 (d) 9012 1684 4503
35. 35.🔢 You want to remember the number 866328243. Which chunked version keeps every digit in the same order? (a) 686 328 243 (b) 866 328 243 (c) 863 282 43 (d) 886 632 8243
36. 36.📅 The digits 13072013 are a date: day, month, year. Which chunking shows the date? (a) 13/0720/13 (b) 13/07/2013 (c) 1307/20/13 (d) 130/720/13
37. 37.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 501700052921. Which chunked version keeps every digit in the same order? (a) 5017 7000 52921 (b) 5107 0005 2921 (c) 5017 0005 221 (d) 5017 0005 2921
39. 39.🔢 You want to remember the number 228279381403. Which chunked version keeps every digit in the same order? (a) 2282 7938 11403 (b) 2282 7938 1403 (c) 2282 7938 140 (d) 2228 7938 1403
40. 40.🔢 You want to remember the number 4088223187. Which chunked version keeps every digit in the same order? (a) 408 822 3187 (b) 048 822 3187 (c) 088 223 187 (d) 408 822 33187

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