Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 417 · 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.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 You want to remember the number 256883824. Which chunked version keeps every digit in the same order? (a) 256 883 824 (b) 268 838 24 (c) 255 688 3824 (d) 256 888 324
3. 3.🔢 You want to remember the number 4531067661. Which chunked version keeps every digit in the same order? (a) 431 067 661 (b) 453 106 7661 (c) 453 106 67661 (d) 453 107 6661
4. 4.🔢 You want to remember the number 151424574. Which chunked version keeps every digit in the same order? (a) 151 424 4574 (b) 151 245 74 (c) 511 424 574 (d) 151 424 574
5. 5.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is a smaller number (c) it has fewer digits (d) it is printed bigger
6. 6.🔢 You want to remember the number 327861214. Which chunked version keeps every digit in the same order? (a) 327 861 214 (b) 327 816 214 (c) 322 786 1214 (d) 328 612 14
7. 7.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
8. 8.📅 The digits 15041982 are a date: day, month, year. Which chunking shows the date? (a) 1504/19/82 (b) 15/0419/82 (c) 150/419/82 (d) 15/04/1982
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.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
12. 12.🔢 What is chunking? (a) splitting into groups (b) writing it twice (c) saying it backwards (d) reading very fast
13. 13.🔢 You want to remember the number 6645143504. Which chunked version keeps every digit in the same order? (a) 664 514 350 (b) 664 514 5304 (c) 664 514 35504 (d) 664 514 3504
14. 14.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 911247810. Which chunked version keeps every digit in the same order? (a) 911 247 8100 (b) 911 278 10 (c) 911 247 810 (d) 911 427 810
16. 16.📅 The digits 03062020 are a date: day, month, year. Which chunking shows the date? (a) 03/0620/20 (b) 0306/20/20 (c) 030/620/20 (d) 03/06/2020
17. 17.📅 The digits 02031984 are a date: day, month, year. Which chunking shows the date? (a) 020/319/84 (b) 0203/19/84 (c) 02/03/1984 (d) 02/0319/84
18. 18.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 855720903. Which chunked version keeps every digit in the same order? (a) 855 729 003 (b) 855 720 0903 (c) 855 720 93 (d) 855 720 903
20. 20.📅 The digits 24041999 are a date: day, month, year. Which chunking shows the date? (a) 24/0419/99 (b) 24/04/1999 (c) 240/419/99 (d) 2404/19/99
21. 21.🔢 You want to remember the number 121107072094. Which chunked version keeps every digit in the same order? (a) 1211 0707 2094 (b) 2111 0707 2094 (c) 1211 1070 72094 (d) 1211 0707 204
22. 22.📅 The digits 01021957 are a date: day, month, year. Which chunking shows the date? (a) 0102/19/57 (b) 01/02/1957 (c) 01/0219/57 (d) 010/219/57
23. 23.📅 The digits 19052022 are a date: day, month, year. Which chunking shows the date? (a) 19/05/2022 (b) 190/520/22 (c) 1905/20/22 (d) 19/0520/22
24. 24.📅 The digits 02052009 are a date: day, month, year. Which chunking shows the date? (a) 020/520/09 (b) 0205/20/09 (c) 02/05/2009 (d) 02/0520/09
25. 25.📅 The digits 01021978 are a date: day, month, year. Which chunking shows the date? (a) 010/219/78 (b) 0102/19/78 (c) 01/02/1978 (d) 01/0219/78
26. 26.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
27. 27.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
28. 28.🔢 You want to remember the number 857575412. Which chunked version keeps every digit in the same order? (a) 855 775 412 (b) 857 575 412 (c) 857 575 5412 (d) 857 575 12
29. 29.🔢 You want to remember the number 838034041. Which chunked version keeps every digit in the same order? (a) 838 034 041 (b) 838 033 4041 (c) 883 034 041 (d) 838 340 41
30. 30.🔢 You want to remember the number 324746116983. Which chunked version keeps every digit in the same order? (a) 3247 6116 983 (b) 3274 4611 6983 (c) 3247 4611 6983 (d) 3244 7461 16983
31. 31.📅 The digits 03101960 are a date: day, month, year. Which chunking shows the date? (a) 03/1019/60 (b) 0310/19/60 (c) 03/10/1960 (d) 031/019/60
32. 32.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) is very long (d) changes daily
33. 33.📅 The digits 11051996 are a date: day, month, year. Which chunking shows the date? (a) 11/0519/96 (b) 1105/19/96 (c) 11/05/1996 (d) 110/519/96
34. 34.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 1 9 4 7 (d) 194 and 7
35. 35.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
36. 36.📅 The digits 18032018 are a date: day, month, year. Which chunking shows the date? (a) 1803/20/18 (b) 18/03/2018 (c) 180/320/18 (d) 18/0320/18
37. 37.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 229089040177. Which chunked version keeps every digit in the same order? (a) 2290 8904 0177 (b) 2290 8900 40177 (c) 2290 8904 017 (d) 2290 8940 0177
39. 39.🔢 You want to remember the number 495041538. Which chunked version keeps every digit in the same order? (a) 495 004 1538 (b) 495 041 538 (c) 490 415 38 (d) 495 401 538
40. 40.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?

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