Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 611 · 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.🔢 You want to remember the number 542801611945. Which chunked version keeps every digit in the same order? (a) 5428 0161 1945 (b) 5428 0161 1954 (c) 5442 8016 11945 (d) 5428 0161 945
2. 2.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
4. 4.📅 The digits 03112014 are a date: day, month, year. Which chunking shows the date? (a) 03/1120/14 (b) 0311/20/14 (c) 03/11/2014 (d) 031/120/14
5. 5.🔢 What is chunking? (a) splitting into groups (b) reading very fast (c) saying it backwards (d) writing it twice
6. 6.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 19 and 47 (d) 1 and 947
7. 7.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
8. 8.🔢 A chunk is easiest to keep when it… (a) changes daily (b) has no pattern (c) means something to you (d) is very long
9. 9.📅 The digits 07101965 are a date: day, month, year. Which chunking shows the date? (a) 071/019/65 (b) 0710/19/65 (c) 07/10/1965 (d) 07/1019/65
10. 10.🔢 You want to remember the number 257462328. Which chunked version keeps every digit in the same order? (a) 527 462 328 (b) 257 462 328 (c) 257 462 28 (d) 257 446 2328
11. 11.🔢 You want to remember the number 5764177092. Which chunked version keeps every digit in the same order? (a) 764 177 092 (b) 576 417 7092 (c) 576 417 77092 (d) 756 417 7092
12. 12.🔢 You want to remember the number 7446935887. Which chunked version keeps every digit in the same order? (a) 746 493 5887 (b) 744 669 35887 (c) 744 693 5887 (d) 746 935 887
13. 13.🔢 You want to remember the number 4606027453. Which chunked version keeps every digit in the same order? (a) 446 060 27453 (b) 460 620 7453 (c) 460 602 753 (d) 460 602 7453
14. 14.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 6471426280. Which chunked version keeps every digit in the same order? (a) 647 142 6280 (b) 647 146 2280 (c) 471 426 280 (d) 647 144 26280
16. 16.🔢 You want to remember the number 871965421331. Which chunked version keeps every digit in the same order? (a) 8719 6542 133 (b) 8179 6542 1331 (c) 8719 6542 1331 (d) 8719 6544 21331
17. 17.📅 The digits 25052018 are a date: day, month, year. Which chunking shows the date? (a) 25/0520/18 (b) 2505/20/18 (c) 25/05/2018 (d) 250/520/18
18. 18.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it is printed bigger (d) it has fewer digits
19. 19.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 4581131542. Which chunked version keeps every digit in the same order? (a) 458 113 542 (b) 458 131 1542 (c) 458 113 15442 (d) 458 113 1542
21. 21.🔢 You want to remember the number 8124080047. Which chunked version keeps every digit in the same order? (a) 124 080 047 (b) 812 408 00047 (c) 821 408 0047 (d) 812 408 0047
22. 22.📅 The digits 08032003 are a date: day, month, year. Which chunking shows the date? (a) 08/0320/03 (b) 080/320/03 (c) 0803/20/03 (d) 08/03/2003
23. 23.🔢 You want to remember the number 311208984. Which chunked version keeps every digit in the same order? (a) 131 208 984 (b) 311 208 984 (c) 312 089 84 (d) 311 208 9984
24. 24.📅 The digits 10021997 are a date: day, month, year. Which chunking shows the date? (a) 1002/19/97 (b) 10/0219/97 (c) 10/02/1997 (d) 100/219/97
25. 25.🔢 You want to remember the number 184806249791. Which chunked version keeps every digit in the same order? (a) 1848 0624 9791 (b) 1848 6249 791 (c) 1848 0264 9791 (d) 1848 0624 97991
26. 26.📅 The digits 15031959 are a date: day, month, year. Which chunking shows the date? (a) 150/319/59 (b) 1503/19/59 (c) 15/03/1959 (d) 15/0319/59
27. 27.📅 The digits 12101962 are a date: day, month, year. Which chunking shows the date? (a) 1210/19/62 (b) 12/10/1962 (c) 121/019/62 (d) 12/1019/62
28. 28.🔢 You want to remember the number 473891993783. Which chunked version keeps every digit in the same order? (a) 4739 8199 3783 (b) 4738 8919 93783 (c) 4739 1993 783 (d) 4738 9199 3783
29. 29.🔢 You want to remember the number 834915259363. Which chunked version keeps every digit in the same order? (a) 8344 9152 59363 (b) 8341 5259 363 (c) 8349 1525 9363 (d) 8341 9525 9363
30. 30.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.🔢 Chunking works for… (a) only numbers (b) only pictures (c) nothing at all (d) numbers and letter lists
32. 32.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
33. 33.🔢 You want to remember the number 7731029505. Which chunked version keeps every digit in the same order? (a) 773 102 9505 (b) 773 012 9505 (c) 773 102 905 (d) 773 102 29505
34. 34.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
35. 35.🔢 You want to remember the number 959692611700. Which chunked version keeps every digit in the same order? (a) 9596 9611 700 (b) 9596 9261 7100 (c) 9596 9261 1700 (d) 9596 9261 17000
36. 36.📅 The digits 01041990 are a date: day, month, year. Which chunking shows the date? (a) 01/0419/90 (b) 010/419/90 (c) 0104/19/90 (d) 01/04/1990
37. 37.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
38. 38.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
39. 39.📅 The digits 17032001 are a date: day, month, year. Which chunking shows the date? (a) 17/0320/01 (b) 17/03/2001 (c) 1703/20/01 (d) 170/320/01
40. 40.🔢 You want to remember the number 8356329077. Which chunked version keeps every digit in the same order? (a) 835 632 907 (b) 835 632 9077 (c) 833 563 29077 (d) 835 632 0977

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