Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 822 · 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.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) means something to you (d) changes daily
2. 2.🔢 You want to remember the number 598357873. Which chunked version keeps every digit in the same order? (a) 598 357 837 (b) 559 835 7873 (c) 598 357 87 (d) 598 357 873
3. 3.🔢 You want to remember the number 301078148. Which chunked version keeps every digit in the same order? (a) 301 087 148 (b) 300 781 48 (c) 301 107 8148 (d) 301 078 148
4. 4.🔢 Instead of holding 8 separate digits, you hold them as 4 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.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
7. 7.🔢 You want to remember the number 9840287090. Which chunked version keeps every digit in the same order? (a) 980 428 7090 (b) 984 028 090 (c) 984 028 7090 (d) 984 028 77090
8. 8.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
9. 9.🔢 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
10. 10.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) saying it backwards (d) writing it twice
11. 11.📅 The digits 19092007 are a date: day, month, year. Which chunking shows the date? (a) 1909/20/07 (b) 19/09/2007 (c) 190/920/07 (d) 19/0920/07
12. 12.📅 The digits 08042021 are a date: day, month, year. Which chunking shows the date? (a) 0804/20/21 (b) 080/420/21 (c) 08/04/2021 (d) 08/0420/21
13. 13.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
14. 14.🔢 You want to remember the number 1330511092. Which chunked version keeps every digit in the same order? (a) 133 051 1092 (b) 133 051 11092 (c) 133 051 092 (d) 130 351 1092
15. 15.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
16. 16.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 986688398. Which chunked version keeps every digit in the same order? (a) 986 668 8398 (b) 986 688 98 (c) 896 688 398 (d) 986 688 398
18. 18.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 1 and 947 (c) 19 and 47 (d) 194 and 7
19. 19.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
20. 20.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 You want to remember the number 598366293. Which chunked version keeps every digit in the same order? (a) 598 636 293 (b) 598 366 2993 (c) 583 662 93 (d) 598 366 293
22. 22.🔢 You want to remember the number 2951110199. Which chunked version keeps every digit in the same order? (a) 925 111 0199 (b) 251 110 199 (c) 299 511 10199 (d) 295 111 0199
23. 23.📅 The digits 01111986 are a date: day, month, year. Which chunking shows the date? (a) 0111/19/86 (b) 01/11/1986 (c) 01/1119/86 (d) 011/119/86
24. 24.📅 The digits 06021995 are a date: day, month, year. Which chunking shows the date? (a) 06/0219/95 (b) 0602/19/95 (c) 060/219/95 (d) 06/02/1995
25. 25.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
26. 26.📅 The digits 04012021 are a date: day, month, year. Which chunking shows the date? (a) 04/0120/21 (b) 04/01/2021 (c) 040/120/21 (d) 0401/20/21
27. 27.🔢 You want to remember the number 835058510331. Which chunked version keeps every digit in the same order? (a) 8350 5851 0313 (b) 8350 5851 033 (c) 8350 0585 10331 (d) 8350 5851 0331
28. 28.🔢 You want to remember the number 995135190190. Which chunked version keeps every digit in the same order? (a) 9951 3519 0109 (b) 9513 5190 190 (c) 9951 3519 0190 (d) 9951 3351 90190
29. 29.🔢 You want to remember the number 337492889. Which chunked version keeps every digit in the same order? (a) 374 928 89 (b) 337 492 889 (c) 337 942 889 (d) 337 492 8899
30. 30.🔢 You want to remember the number 437316630915. Which chunked version keeps every digit in the same order? (a) 4373 1663 09915 (b) 4373 1663 015 (c) 4373 1663 9015 (d) 4373 1663 0915
31. 31.📅 The digits 06022005 are a date: day, month, year. Which chunking shows the date? (a) 060/220/05 (b) 06/0220/05 (c) 0602/20/05 (d) 06/02/2005
32. 32.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
33. 33.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
34. 34.📅 The digits 14011993 are a date: day, month, year. Which chunking shows the date? (a) 14/0119/93 (b) 1401/19/93 (c) 14/01/1993 (d) 140/119/93
35. 35.📅 The digits 27011979 are a date: day, month, year. Which chunking shows the date? (a) 27/01/1979 (b) 27/0119/79 (c) 270/119/79 (d) 2701/19/79
36. 36.📅 The digits 06052009 are a date: day, month, year. Which chunking shows the date? (a) 0605/20/09 (b) 06/05/2009 (c) 060/520/09 (d) 06/0520/09
37. 37.📅 The digits 28011977 are a date: day, month, year. Which chunking shows the date? (a) 28/01/1977 (b) 28/0119/77 (c) 2801/19/77 (d) 280/119/77
38. 38.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
39. 39.📅 The digits 08091988 are a date: day, month, year. Which chunking shows the date? (a) 08/0919/88 (b) 08/09/1988 (c) 080/919/88 (d) 0809/19/88
40. 40.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?

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