Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 265 · 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 4-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.📅 The digits 06091989 are a date: day, month, year. Which chunking shows the date? (a) 06/0919/89 (b) 0609/19/89 (c) 060/919/89 (d) 06/09/1989
3. 3.🔢 You want to remember the number 236362175. Which chunked version keeps every digit in the same order? (a) 233 662 175 (b) 236 362 15 (c) 236 362 1175 (d) 236 362 175
4. 4.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
5. 5.🔢 You want to remember the number 297820077. Which chunked version keeps every digit in the same order? (a) 927 820 077 (b) 297 820 077 (c) 298 200 77 (d) 229 782 0077
6. 6.🔢 You want to remember the number 114645722. Which chunked version keeps every digit in the same order? (a) 114 645 7722 (b) 116 445 722 (c) 114 647 22 (d) 114 645 722
7. 7.🔢 You want to remember the number 2750221044. Which chunked version keeps every digit in the same order? (a) 275 022 10444 (b) 275 022 1044 (c) 275 022 144 (d) 270 522 1044
8. 8.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) splitting into groups (d) writing it twice
9. 9.🔢 You want to remember the number 247468162. Which chunked version keeps every digit in the same order? (a) 247 468 8162 (b) 247 486 162 (c) 247 468 162 (d) 247 468 16
10. 10.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only numbers (d) only pictures
11. 11.🔢 You want to remember the number 692670850. Which chunked version keeps every digit in the same order? (a) 692 667 0850 (b) 692 670 850 (c) 692 678 050 (d) 926 708 50
12. 12.🔢 You want to remember the number 144159953296. Which chunked version keeps every digit in the same order? (a) 1441 9595 3296 (b) 1444 1599 53296 (c) 1441 5995 3296 (d) 1441 5953 296
13. 13.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
14. 14.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
15. 15.📅 The digits 02021977 are a date: day, month, year. Which chunking shows the date? (a) 0202/19/77 (b) 02/0219/77 (c) 02/02/1977 (d) 020/219/77
16. 16.🔢 You want to remember the number 2955792598. Which chunked version keeps every digit in the same order? (a) 295 579 2598 (b) 295 572 9598 (c) 295 579 25598 (d) 295 572 598
17. 17.🔢 You want to remember the number 894080206. Which chunked version keeps every digit in the same order? (a) 894 080 2006 (b) 940 802 06 (c) 984 080 206 (d) 894 080 206
18. 18.📅 The digits 01111986 are a date: day, month, year. Which chunking shows the date? (a) 011/119/86 (b) 01/1119/86 (c) 01/11/1986 (d) 0111/19/86
19. 19.🔢 You want to remember the number 4110509632. Which chunked version keeps every digit in the same order? (a) 411 059 0632 (b) 411 005 09632 (c) 411 050 9632 (d) 411 050 932
20. 20.🔢 You want to remember the number 359533354. Which chunked version keeps every digit in the same order? (a) 359 533 354 (b) 395 333 54 (c) 359 353 354 (d) 355 953 3354
21. 21.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
22. 22.📅 The digits 05021972 are a date: day, month, year. Which chunking shows the date? (a) 05/02/1972 (b) 05/0219/72 (c) 050/219/72 (d) 0502/19/72
23. 23.🔢 You want to remember the number 642783474. Which chunked version keeps every digit in the same order? (a) 642 783 474 (b) 624 783 474 (c) 642 783 47 (d) 642 778 3474
24. 24.📅 The digits 12051992 are a date: day, month, year. Which chunking shows the date? (a) 12/0519/92 (b) 1205/19/92 (c) 120/519/92 (d) 12/05/1992
25. 25.📅 The digits 24071961 are a date: day, month, year. Which chunking shows the date? (a) 24/07/1961 (b) 24/0719/61 (c) 240/719/61 (d) 2407/19/61
26. 26.🔢 You want to remember the number 634151363420. Which chunked version keeps every digit in the same order? (a) 6341 5133 6420 (b) 6315 1363 420 (c) 6341 5136 34220 (d) 6341 5136 3420
27. 27.📅 The digits 24121952 are a date: day, month, year. Which chunking shows the date? (a) 24/12/1952 (b) 241/219/52 (c) 24/1219/52 (d) 2412/19/52
28. 28.🔢 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
29. 29.📅 The digits 07042019 are a date: day, month, year. Which chunking shows the date? (a) 07/04/2019 (b) 0704/20/19 (c) 07/0420/19 (d) 070/420/19
30. 30.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
31. 31.📅 The digits 10031988 are a date: day, month, year. Which chunking shows the date? (a) 10/03/1988 (b) 10/0319/88 (c) 1003/19/88 (d) 100/319/88
32. 32.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
33. 33.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you
35. 35.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
36. 36.📅 The digits 07021967 are a date: day, month, year. Which chunking shows the date? (a) 07/02/1967 (b) 070/219/67 (c) 07/0219/67 (d) 0702/19/67
37. 37.📅 The digits 25112001 are a date: day, month, year. Which chunking shows the date? (a) 25/11/2001 (b) 2511/20/01 (c) 251/120/01 (d) 25/1120/01
38. 38.📅 The digits 13111971 are a date: day, month, year. Which chunking shows the date? (a) 131/119/71 (b) 1311/19/71 (c) 13/11/1971 (d) 13/1119/71
39. 39.📅 The digits 10021953 are a date: day, month, year. Which chunking shows the date? (a) 100/219/53 (b) 10/02/1953 (c) 10/0219/53 (d) 1002/19/53
40. 40.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?

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