Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 909 · 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 08032012 are a date: day, month, year. Which chunking shows the date? (a) 08/0320/12 (b) 0803/20/12 (c) 08/03/2012 (d) 080/320/12
2. 2.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) means something to you (d) is very long
5. 5.📅 The digits 01011997 are a date: day, month, year. Which chunking shows the date? (a) 01/0119/97 (b) 0101/19/97 (c) 010/119/97 (d) 01/01/1997
6. 6.🔢 Chunking works for… (a) only numbers (b) nothing at all (c) numbers and letter lists (d) only pictures
7. 7.📅 The digits 20092003 are a date: day, month, year. Which chunking shows the date? (a) 200/920/03 (b) 2009/20/03 (c) 20/09/2003 (d) 20/0920/03
8. 8.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 19 and 47 (d) 1 9 4 7
9. 9.📅 The digits 16121961 are a date: day, month, year. Which chunking shows the date? (a) 16/1219/61 (b) 1612/19/61 (c) 161/219/61 (d) 16/12/1961
10. 10.📅 The digits 14062002 are a date: day, month, year. Which chunking shows the date? (a) 140/620/02 (b) 14/0620/02 (c) 1406/20/02 (d) 14/06/2002
11. 11.📅 The digits 06011973 are a date: day, month, year. Which chunking shows the date? (a) 060/119/73 (b) 06/0119/73 (c) 06/01/1973 (d) 0601/19/73
12. 12.📅 The digits 08052009 are a date: day, month, year. Which chunking shows the date? (a) 08/0520/09 (b) 080/520/09 (c) 0805/20/09 (d) 08/05/2009
13. 13.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it has fewer digits (c) three chunks, not ten (d) it is printed bigger
14. 14.🔢 You want to remember the number 945489584. Which chunked version keeps every digit in the same order? (a) 945 489 584 (b) 945 488 9584 (c) 454 895 84 (d) 495 489 584
15. 15.🔢 You want to remember the number 1970749111. Which chunked version keeps every digit in the same order? (a) 197 079 4111 (b) 119 707 49111 (c) 197 074 9111 (d) 970 749 111
16. 16.🔢 You want to remember the number 320537637. Which chunked version keeps every digit in the same order? (a) 320 536 737 (b) 320 553 7637 (c) 320 537 637 (d) 320 537 63
17. 17.📅 The digits 08041953 are a date: day, month, year. Which chunking shows the date? (a) 08/0419/53 (b) 0804/19/53 (c) 08/04/1953 (d) 080/419/53
18. 18.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 You want to remember the number 927475454458. Which chunked version keeps every digit in the same order? (a) 9274 5454 458 (b) 9274 7544 54458 (c) 9274 7544 5458 (d) 9274 7545 4458
21. 21.🔢 You want to remember the number 1896599816. Which chunked version keeps every digit in the same order? (a) 189 659 981 (b) 189 665 99816 (c) 198 659 9816 (d) 189 659 9816
22. 22.🔢 You want to remember the number 629399837. Which chunked version keeps every digit in the same order? (a) 692 399 837 (b) 623 998 37 (c) 629 399 837 (d) 629 339 9837
23. 23.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
24. 24.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) saying it backwards (d) splitting into groups
25. 25.🔢 You want to remember the number 7941656527. Which chunked version keeps every digit in the same order? (a) 794 165 65277 (b) 794 166 527 (c) 791 465 6527 (d) 794 165 6527
26. 26.📅 The digits 21071991 are a date: day, month, year. Which chunking shows the date? (a) 21/0719/91 (b) 2107/19/91 (c) 210/719/91 (d) 21/07/1991
27. 27.📅 The digits 07082021 are a date: day, month, year. Which chunking shows the date? (a) 07/0820/21 (b) 070/820/21 (c) 07/08/2021 (d) 0708/20/21
28. 28.📅 The digits 01082002 are a date: day, month, year. Which chunking shows the date? (a) 01/0820/02 (b) 010/820/02 (c) 01/08/2002 (d) 0108/20/02
29. 29.📅 The digits 21021957 are a date: day, month, year. Which chunking shows the date? (a) 21/0219/57 (b) 21/02/1957 (c) 210/219/57 (d) 2102/19/57
30. 30.📅 The digits 02052008 are a date: day, month, year. Which chunking shows the date? (a) 020/520/08 (b) 02/05/2008 (c) 02/0520/08 (d) 0205/20/08
31. 31.🔢 You want to remember the number 670265730558. Which chunked version keeps every digit in the same order? (a) 6702 6573 0585 (b) 6706 5730 558 (c) 6770 2657 30558 (d) 6702 6573 0558
32. 32.📅 The digits 13071991 are a date: day, month, year. Which chunking shows the date? (a) 13/07/1991 (b) 13/0719/91 (c) 1307/19/91 (d) 130/719/91
33. 33.🔢 You want to remember the number 9112117529. Which chunked version keeps every digit in the same order? (a) 911 121 17529 (b) 911 211 729 (c) 911 211 7529 (d) 911 121 7529
34. 34.🔢 You want to remember the number 434334960670. Which chunked version keeps every digit in the same order? (a) 4343 4396 0670 (b) 4343 3496 0670 (c) 4333 4960 670 (d) 4343 3496 06700
35. 35.🔢 You want to remember the number 828334778872. Which chunked version keeps every digit in the same order? (a) 8233 4778 872 (b) 8283 3477 8872 (c) 8283 3477 88872 (d) 8823 3477 8872
36. 36.📅 The digits 28121996 are a date: day, month, year. Which chunking shows the date? (a) 2812/19/96 (b) 281/219/96 (c) 28/12/1996 (d) 28/1219/96
37. 37.🔢 You want to remember the number 470332580432. Which chunked version keeps every digit in the same order? (a) 4703 3258 80432 (b) 4703 3258 432 (c) 4703 3258 0432 (d) 4703 3258 0342
38. 38.🔢 You want to remember the number 527055592350. Which chunked version keeps every digit in the same order? (a) 5270 5559 23500 (b) 5207 5559 2350 (c) 5270 5559 350 (d) 5270 5559 2350
39. 39.🔢 You want to remember the number 1343787236. Which chunked version keeps every digit in the same order? (a) 134 378 7236 (b) 134 378 2736 (c) 113 437 87236 (d) 134 378 723
40. 40.📅 The digits 15092004 are a date: day, month, year. Which chunking shows the date? (a) 1509/20/04 (b) 15/0920/04 (c) 150/920/04 (d) 15/09/2004

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