Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 635 · 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.📅 The digits 23061955 are a date: day, month, year. Which chunking shows the date? (a) 230/619/55 (b) 23/0619/55 (c) 2306/19/55 (d) 23/06/1955
2. 2.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only numbers (d) only pictures
3. 3.📅 The digits 14042002 are a date: day, month, year. Which chunking shows the date? (a) 14/0420/02 (b) 140/420/02 (c) 14/04/2002 (d) 1404/20/02
4. 4.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
5. 5.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 350323967. Which chunked version keeps every digit in the same order? (a) 530 323 967 (b) 350 339 67 (c) 350 332 3967 (d) 350 323 967
7. 7.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 1 and 947 (d) 19 and 47
9. 9.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
10. 10.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
11. 11.📅 The digits 20011972 are a date: day, month, year. Which chunking shows the date? (a) 20/01/1972 (b) 2001/19/72 (c) 20/0119/72 (d) 200/119/72
12. 12.🔢 You want to remember the number 3693257877. Which chunked version keeps every digit in the same order? (a) 363 257 877 (b) 369 325 78877 (c) 369 235 7877 (d) 369 325 7877
13. 13.📅 The digits 20032010 are a date: day, month, year. Which chunking shows the date? (a) 200/320/10 (b) 20/0320/10 (c) 2003/20/10 (d) 20/03/2010
14. 14.🔢 You want to remember the number 171647329031. Which chunked version keeps every digit in the same order? (a) 1716 4723 9031 (b) 1764 7329 031 (c) 1716 4732 9031 (d) 1711 6473 29031
15. 15.🔢 You want to remember the number 762203317. Which chunked version keeps every digit in the same order? (a) 762 203 3177 (b) 622 033 17 (c) 762 203 317 (d) 762 230 317
16. 16.🔢 You want to remember the number 318241693264. Which chunked version keeps every digit in the same order? (a) 3812 4169 3264 (b) 1824 1693 264 (c) 3182 4169 3264 (d) 3188 2416 93264
17. 17.📅 The digits 19041957 are a date: day, month, year. Which chunking shows the date? (a) 19/0419/57 (b) 19/04/1957 (c) 190/419/57 (d) 1904/19/57
18. 18.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) it has fewer digits (d) three chunks, not ten
19. 19.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
20. 20.📅 The digits 24081974 are a date: day, month, year. Which chunking shows the date? (a) 240/819/74 (b) 2408/19/74 (c) 24/08/1974 (d) 24/0819/74
21. 21.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 549810774. Which chunked version keeps every digit in the same order? (a) 549 180 774 (b) 549 981 0774 (c) 549 810 774 (d) 549 810 77
23. 23.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) is very long (d) has no pattern
24. 24.🔢 You want to remember the number 6181325965. Which chunked version keeps every digit in the same order? (a) 681 325 965 (b) 618 132 5965 (c) 618 132 59655 (d) 681 132 5965
25. 25.📅 The digits 03121965 are a date: day, month, year. Which chunking shows the date? (a) 03/12/1965 (b) 03/1219/65 (c) 0312/19/65 (d) 031/219/65
26. 26.📅 The digits 18012008 are a date: day, month, year. Which chunking shows the date? (a) 1801/20/08 (b) 180/120/08 (c) 18/0120/08 (d) 18/01/2008
27. 27.📅 The digits 07111979 are a date: day, month, year. Which chunking shows the date? (a) 071/119/79 (b) 07/1119/79 (c) 07/11/1979 (d) 0711/19/79
28. 28.🔢 You want to remember the number 672819354. Which chunked version keeps every digit in the same order? (a) 672 819 345 (b) 628 193 54 (c) 672 819 354 (d) 672 819 3544
29. 29.🔢 You want to remember the number 405988099845. Which chunked version keeps every digit in the same order? (a) 0598 8099 845 (b) 4059 8809 98445 (c) 4059 8809 9845 (d) 4059 8890 9845
30. 30.🔢 You want to remember the number 684305608. Which chunked version keeps every digit in the same order? (a) 843 056 08 (b) 684 306 508 (c) 684 330 5608 (d) 684 305 608
31. 31.📅 The digits 06072004 are a date: day, month, year. Which chunking shows the date? (a) 06/07/2004 (b) 0607/20/04 (c) 06/0720/04 (d) 060/720/04
32. 32.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 419531738. Which chunked version keeps every digit in the same order? (a) 411 953 1738 (b) 419 537 38 (c) 419 531 783 (d) 419 531 738
34. 34.🔢 You want to remember the number 424241961. Which chunked version keeps every digit in the same order? (a) 424 241 9661 (b) 424 241 96 (c) 244 241 961 (d) 424 241 961
35. 35.🔢 You want to remember the number 159326116. Which chunked version keeps every digit in the same order? (a) 159 326 1116 (b) 159 321 16 (c) 159 326 116 (d) 153 926 116
36. 36.🔢 You want to remember the number 7263262017. Which chunked version keeps every digit in the same order? (a) 726 326 2017 (b) 726 362 2017 (c) 726 332 62017 (d) 726 326 217
37. 37.📅 The digits 01021952 are a date: day, month, year. Which chunking shows the date? (a) 01/02/1952 (b) 01/0219/52 (c) 010/219/52 (d) 0102/19/52
38. 38.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
39. 39.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
40. 40.📅 The digits 09031996 are a date: day, month, year. Which chunking shows the date? (a) 090/319/96 (b) 0903/19/96 (c) 09/03/1996 (d) 09/0319/96

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