Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 136 · 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 04102024 are a date: day, month, year. Which chunking shows the date? (a) 04/1020/24 (b) 041/020/24 (c) 04/10/2024 (d) 0410/20/24
2. 2.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 194 and 7 (d) 1 and 947
3. 3.🔢 You want to remember the number 181853145951. Which chunked version keeps every digit in the same order? (a) 1818 5314 5591 (b) 1818 5331 45951 (c) 1885 3145 951 (d) 1818 5314 5951
4. 4.📅 The digits 18031978 are a date: day, month, year. Which chunking shows the date? (a) 180/319/78 (b) 1803/19/78 (c) 18/0319/78 (d) 18/03/1978
5. 5.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) three chunks, not ten (d) it has fewer digits
7. 7.📅 The digits 23032019 are a date: day, month, year. Which chunking shows the date? (a) 230/320/19 (b) 2303/20/19 (c) 23/0320/19 (d) 23/03/2019
8. 8.📅 The digits 23012022 are a date: day, month, year. Which chunking shows the date? (a) 230/120/22 (b) 23/0120/22 (c) 2301/20/22 (d) 23/01/2022
9. 9.📅 The digits 04032013 are a date: day, month, year. Which chunking shows the date? (a) 040/320/13 (b) 04/0320/13 (c) 04/03/2013 (d) 0403/20/13
10. 10.🔢 You want to remember the number 917900249. Which chunked version keeps every digit in the same order? (a) 917 900 249 (b) 917 900 0249 (c) 917 900 29 (d) 917 900 429
11. 11.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
12. 12.🔢 You want to remember the number 208900663. Which chunked version keeps every digit in the same order? (a) 280 900 663 (b) 200 890 0663 (c) 208 900 663 (d) 208 900 66
13. 13.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
14. 14.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) splitting into groups (d) writing it twice
15. 15.🔢 You want to remember the number 212823164. Which chunked version keeps every digit in the same order? (a) 212 823 164 (b) 212 823 614 (c) 212 823 3164 (d) 128 231 64
16. 16.🔢 You want to remember the number 448201266. Which chunked version keeps every digit in the same order? (a) 448 201 266 (b) 448 202 66 (c) 448 202 166 (d) 448 201 1266
17. 17.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) only numbers (d) nothing at all
18. 18.📅 The digits 19082003 are a date: day, month, year. Which chunking shows the date? (a) 1908/20/03 (b) 19/0820/03 (c) 19/08/2003 (d) 190/820/03
19. 19.🔢 You want to remember the number 5850965549. Which chunked version keeps every digit in the same order? (a) 585 065 549 (b) 585 509 65549 (c) 585 096 5549 (d) 580 596 5549
20. 20.🔢 You want to remember the number 154607503. Which chunked version keeps every digit in the same order? (a) 514 607 503 (b) 154 607 503 (c) 154 660 7503 (d) 146 075 03
21. 21.🔢 You want to remember the number 104854132. Which chunked version keeps every digit in the same order? (a) 104 885 4132 (b) 104 854 13 (c) 104 854 132 (d) 104 851 432
22. 22.📅 The digits 23111963 are a date: day, month, year. Which chunking shows the date? (a) 23/11/1963 (b) 231/119/63 (c) 23/1119/63 (d) 2311/19/63
23. 23.🔢 You want to remember the number 491808964234. Which chunked version keeps every digit in the same order? (a) 4918 0864 234 (b) 4918 0896 42234 (c) 9418 0896 4234 (d) 4918 0896 4234
24. 24.📅 The digits 01021993 are a date: day, month, year. Which chunking shows the date? (a) 0102/19/93 (b) 01/02/1993 (c) 01/0219/93 (d) 010/219/93
25. 25.🔢 You want to remember the number 254764672. Which chunked version keeps every digit in the same order? (a) 524 764 672 (b) 225 476 4672 (c) 254 764 672 (d) 254 766 72
26. 26.📅 The digits 03092012 are a date: day, month, year. Which chunking shows the date? (a) 0309/20/12 (b) 03/09/2012 (c) 03/0920/12 (d) 030/920/12
27. 27.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
28. 28.📅 The digits 06041973 are a date: day, month, year. Which chunking shows the date? (a) 06/0419/73 (b) 0604/19/73 (c) 060/419/73 (d) 06/04/1973
29. 29.📅 The digits 05121971 are a date: day, month, year. Which chunking shows the date? (a) 0512/19/71 (b) 05/12/1971 (c) 051/219/71 (d) 05/1219/71
30. 30.📅 The digits 05042004 are a date: day, month, year. Which chunking shows the date? (a) 0504/20/04 (b) 050/420/04 (c) 05/0420/04 (d) 05/04/2004
31. 31.📅 The digits 14101953 are a date: day, month, year. Which chunking shows the date? (a) 141/019/53 (b) 14/1019/53 (c) 14/10/1953 (d) 1410/19/53
32. 32.📅 The digits 04112002 are a date: day, month, year. Which chunking shows the date? (a) 041/120/02 (b) 0411/20/02 (c) 04/11/2002 (d) 04/1120/02
33. 33.📅 The digits 03011953 are a date: day, month, year. Which chunking shows the date? (a) 030/119/53 (b) 0301/19/53 (c) 03/0119/53 (d) 03/01/1953
34. 34.🔢 You want to remember the number 216241616. Which chunked version keeps every digit in the same order? (a) 216 421 616 (b) 216 241 616 (c) 212 416 16 (d) 216 241 6166
35. 35.🔢 You want to remember the number 920842028. Which chunked version keeps every digit in the same order? (a) 208 420 28 (b) 920 842 0228 (c) 290 842 028 (d) 920 842 028
36. 36.🔢 You want to remember the number 970610905. Which chunked version keeps every digit in the same order? (a) 976 109 05 (b) 970 610 905 (c) 976 010 905 (d) 970 611 0905
37. 37.🔢 You want to remember the number 9709861726. Which chunked version keeps every digit in the same order? (a) 970 988 61726 (b) 970 986 1276 (c) 970 986 1726 (d) 970 961 726
38. 38.🔢 You want to remember the number 377573588. Which chunked version keeps every digit in the same order? (a) 377 573 588 (b) 377 573 5588 (c) 737 573 588 (d) 377 573 58
39. 39.📅 The digits 27022004 are a date: day, month, year. Which chunking shows the date? (a) 2702/20/04 (b) 27/02/2004 (c) 270/220/04 (d) 27/0220/04
40. 40.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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