Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 832 · 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.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) it is printed bigger (d) three chunks, not ten
2. 2.📅 The digits 01051960 are a date: day, month, year. Which chunking shows the date? (a) 01/0519/60 (b) 010/519/60 (c) 0105/19/60 (d) 01/05/1960
3. 3.📅 The digits 26081953 are a date: day, month, year. Which chunking shows the date? (a) 2608/19/53 (b) 26/08/1953 (c) 26/0819/53 (d) 260/819/53
4. 4.📅 The digits 14082004 are a date: day, month, year. Which chunking shows the date? (a) 14/0820/04 (b) 1408/20/04 (c) 14/08/2004 (d) 140/820/04
5. 5.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) is very long (d) has no pattern
6. 6.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
7. 7.📅 The digits 12031950 are a date: day, month, year. Which chunking shows the date? (a) 12/03/1950 (b) 12/0319/50 (c) 120/319/50 (d) 1203/19/50
8. 8.🔢 You want to remember the number 151645764. Which chunked version keeps every digit in the same order? (a) 115 164 5764 (b) 151 647 564 (c) 151 645 64 (d) 151 645 764
9. 9.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
10. 10.📅 The digits 28031965 are a date: day, month, year. Which chunking shows the date? (a) 28/0319/65 (b) 280/319/65 (c) 28/03/1965 (d) 2803/19/65
11. 11.📅 The digits 18022014 are a date: day, month, year. Which chunking shows the date? (a) 1802/20/14 (b) 180/220/14 (c) 18/02/2014 (d) 18/0220/14
12. 12.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
14. 14.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 194 and 7 (d) 1 9 4 7
16. 16.🔢 You want to remember the number 844604951604. Which chunked version keeps every digit in the same order? (a) 8446 0049 51604 (b) 8446 0951 604 (c) 8446 0491 5604 (d) 8446 0495 1604
17. 17.🔢 You want to remember the number 1275775788. Which chunked version keeps every digit in the same order? (a) 127 577 5788 (b) 127 577 5878 (c) 127 577 57788 (d) 127 577 588
18. 18.🔢 You want to remember the number 3610072316. Which chunked version keeps every digit in the same order? (a) 361 007 22316 (b) 361 072 316 (c) 360 107 2316 (d) 361 007 2316
19. 19.🔢 You want to remember the number 175652885. Which chunked version keeps every digit in the same order? (a) 157 652 885 (b) 175 652 885 (c) 756 528 85 (d) 175 665 2885
20. 20.🔢 You want to remember the number 945217001. Which chunked version keeps every digit in the same order? (a) 945 217 001 (b) 945 211 7001 (c) 452 170 01 (d) 945 217 010
21. 21.🔢 You want to remember the number 6941294769. Which chunked version keeps every digit in the same order? (a) 694 129 4769 (b) 691 429 4769 (c) 694 129 47769 (d) 694 129 479
22. 22.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) splitting into groups (d) reading very fast
23. 23.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
24. 24.📅 The digits 13061987 are a date: day, month, year. Which chunking shows the date? (a) 1306/19/87 (b) 130/619/87 (c) 13/0619/87 (d) 13/06/1987
25. 25.🔢 You want to remember the number 294092854728. Which chunked version keeps every digit in the same order? (a) 2940 9285 4728 (b) 2940 9285 47288 (c) 2940 9258 4728 (d) 2409 2854 728
26. 26.🔢 You want to remember the number 642411470380. Which chunked version keeps every digit in the same order? (a) 4241 1470 380 (b) 6424 1147 0380 (c) 6424 1147 03800 (d) 6244 1147 0380
27. 27.📅 The digits 07021958 are a date: day, month, year. Which chunking shows the date? (a) 0702/19/58 (b) 070/219/58 (c) 07/02/1958 (d) 07/0219/58
28. 28.📅 The digits 18061972 are a date: day, month, year. Which chunking shows the date? (a) 180/619/72 (b) 1806/19/72 (c) 18/0619/72 (d) 18/06/1972
29. 29.🔢 You want to remember the number 224440881129. Which chunked version keeps every digit in the same order? (a) 2244 0488 1129 (b) 2244 4088 11229 (c) 2444 0881 129 (d) 2244 4088 1129
30. 30.🔢 You want to remember the number 940445050. Which chunked version keeps every digit in the same order? (a) 944 450 50 (b) 940 445 050 (c) 940 445 0500 (d) 940 445 005
31. 31.📅 The digits 19101969 are a date: day, month, year. Which chunking shows the date? (a) 191/019/69 (b) 19/1019/69 (c) 19/10/1969 (d) 1910/19/69
32. 32.🔢 You want to remember the number 155710960. Which chunked version keeps every digit in the same order? (a) 515 710 960 (b) 155 710 96 (c) 155 710 960 (d) 155 710 9660
33. 33.🔢 You want to remember the number 9380262928. Which chunked version keeps every digit in the same order? (a) 980 262 928 (b) 938 026 29228 (c) 938 026 2928 (d) 938 062 2928
34. 34.📅 The digits 27072021 are a date: day, month, year. Which chunking shows the date? (a) 27/07/2021 (b) 2707/20/21 (c) 27/0720/21 (d) 270/720/21
35. 35.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
36. 36.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
37. 37.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
38. 38.🔢 You want to remember the number 2185226863. Which chunked version keeps every digit in the same order? (a) 221 852 26863 (b) 218 522 6836 (c) 218 522 6863 (d) 218 522 686
39. 39.📅 The digits 25111957 are a date: day, month, year. Which chunking shows the date? (a) 25/1119/57 (b) 25/11/1957 (c) 251/119/57 (d) 2511/19/57
40. 40.🔢 You want to remember the number 940535277025. Which chunked version keeps every digit in the same order? (a) 9405 3527 70255 (b) 9405 3572 7025 (c) 9405 3527 025 (d) 9405 3527 7025

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