Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 601 · 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 8-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.📅 The digits 18042012 are a date: day, month, year. Which chunking shows the date? (a) 180/420/12 (b) 18/0420/12 (c) 18/04/2012 (d) 1804/20/12
3. 3.📅 The digits 03071978 are a date: day, month, year. Which chunking shows the date? (a) 03/07/1978 (b) 030/719/78 (c) 03/0719/78 (d) 0307/19/78
4. 4.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) means something to you (d) changes daily
6. 6.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
7. 7.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 274123905. Which chunked version keeps every digit in the same order? (a) 274 132 905 (b) 274 123 95 (c) 274 412 3905 (d) 274 123 905
9. 9.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) reading very fast (d) splitting into groups
11. 11.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 1 9 4 7 (d) 19 and 47
12. 12.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
14. 14.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) three chunks, not ten (d) it is a smaller number
15. 15.📅 The digits 01032006 are a date: day, month, year. Which chunking shows the date? (a) 01/0320/06 (b) 0103/20/06 (c) 010/320/06 (d) 01/03/2006
16. 16.📅 The digits 13091959 are a date: day, month, year. Which chunking shows the date? (a) 130/919/59 (b) 13/0919/59 (c) 1309/19/59 (d) 13/09/1959
17. 17.🔢 You want to remember the number 741019781. Which chunked version keeps every digit in the same order? (a) 714 019 781 (b) 410 197 81 (c) 744 101 9781 (d) 741 019 781
18. 18.🔢 You want to remember the number 469787842. Which chunked version keeps every digit in the same order? (a) 469 787 8842 (b) 469 787 842 (c) 469 787 482 (d) 469 788 42
19. 19.🔢 You want to remember the number 760934004. Which chunked version keeps every digit in the same order? (a) 760 934 004 (b) 760 940 04 (c) 769 034 004 (d) 760 093 4004
20. 20.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
21. 21.🔢 You want to remember the number 3362096629. Which chunked version keeps every digit in the same order? (a) 336 209 669 (b) 336 209 6629 (c) 363 209 6629 (d) 333 620 96629
22. 22.📅 The digits 23122002 are a date: day, month, year. Which chunking shows the date? (a) 23/1220/02 (b) 231/220/02 (c) 23/12/2002 (d) 2312/20/02
23. 23.📅 The digits 17102020 are a date: day, month, year. Which chunking shows the date? (a) 17/1020/20 (b) 1710/20/20 (c) 171/020/20 (d) 17/10/2020
24. 24.📅 The digits 15111985 are a date: day, month, year. Which chunking shows the date? (a) 1511/19/85 (b) 15/1119/85 (c) 151/119/85 (d) 15/11/1985
25. 25.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.📅 The digits 07121955 are a date: day, month, year. Which chunking shows the date? (a) 07/1219/55 (b) 07/12/1955 (c) 0712/19/55 (d) 071/219/55
28. 28.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 190566741259. Which chunked version keeps every digit in the same order? (a) 1905 6667 41259 (b) 1956 6741 259 (c) 1905 6647 1259 (d) 1905 6674 1259
30. 30.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
31. 31.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) nothing at all (d) only pictures
32. 32.🔢 You want to remember the number 4904910321. Which chunked version keeps every digit in the same order? (a) 940 491 0321 (b) 490 491 0321 (c) 490 491 021 (d) 449 049 10321
33. 33.🔢 You want to remember the number 835776157382. Which chunked version keeps every digit in the same order? (a) 8357 7615 7382 (b) 8357 7615 782 (c) 8357 7615 7328 (d) 8357 7761 57382
34. 34.🔢 You want to remember the number 532694588020. Which chunked version keeps every digit in the same order? (a) 5369 4588 020 (b) 3526 9458 8020 (c) 5326 9458 8020 (d) 5326 9455 88020
35. 35.🔢 You want to remember the number 537023809607. Which chunked version keeps every digit in the same order? (a) 5370 3280 9607 (b) 5370 2388 09607 (c) 5702 3809 607 (d) 5370 2380 9607
36. 36.📅 The digits 22062009 are a date: day, month, year. Which chunking shows the date? (a) 22/0620/09 (b) 2206/20/09 (c) 22/06/2009 (d) 220/620/09
37. 37.📅 The digits 21121969 are a date: day, month, year. Which chunking shows the date? (a) 211/219/69 (b) 2112/19/69 (c) 21/1219/69 (d) 21/12/1969
38. 38.📅 The digits 04021986 are a date: day, month, year. Which chunking shows the date? (a) 0402/19/86 (b) 04/0219/86 (c) 04/02/1986 (d) 040/219/86
39. 39.🔢 You want to remember the number 270928282167. Which chunked version keeps every digit in the same order? (a) 7209 2828 2167 (b) 2709 2828 267 (c) 2709 9282 82167 (d) 2709 2828 2167
40. 40.📅 The digits 26031996 are a date: day, month, year. Which chunking shows the date? (a) 26/03/1996 (b) 2603/19/96 (c) 260/319/96 (d) 26/0319/96

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