Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 613 · 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.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only pictures (d) only numbers
2. 2.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) is very long (d) changes daily
3. 3.🔢 You want to remember the number 4714710048. Which chunked version keeps every digit in the same order? (a) 471 471 0048 (b) 471 471 048 (c) 474 171 0048 (d) 471 147 10048
4. 4.🔢 You want to remember the number 839087088928. Which chunked version keeps every digit in the same order? (a) 3890 8708 8928 (b) 8390 8708 88928 (c) 8390 8708 8928 (d) 8390 8708 892
5. 5.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 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
8. 8.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
9. 9.🔢 You want to remember the number 292419675. Which chunked version keeps every digit in the same order? (a) 292 419 675 (b) 922 419 675 (c) 292 419 6675 (d) 292 196 75
10. 10.🔢 You want to remember the number 527933144351. Which chunked version keeps every digit in the same order? (a) 5279 3314 43551 (b) 5279 3344 351 (c) 5729 3314 4351 (d) 5279 3314 4351
11. 11.📅 The digits 20072004 are a date: day, month, year. Which chunking shows the date? (a) 20/07/2004 (b) 2007/20/04 (c) 200/720/04 (d) 20/0720/04
12. 12.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
13. 13.🔢 You want to remember the number 305492188248. Which chunked version keeps every digit in the same order? (a) 3054 9218 248 (b) 3054 9218 8248 (c) 3054 9218 8428 (d) 3054 9218 82448
14. 14.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 379629551524. Which chunked version keeps every digit in the same order? (a) 3796 2955 15524 (b) 3976 2955 1524 (c) 7962 9551 524 (d) 3796 2955 1524
16. 16.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
17. 17.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 194 and 7 (d) 1 9 4 7
20. 20.📅 The digits 20091957 are a date: day, month, year. Which chunking shows the date? (a) 2009/19/57 (b) 200/919/57 (c) 20/0919/57 (d) 20/09/1957
21. 21.📅 The digits 01062009 are a date: day, month, year. Which chunking shows the date? (a) 010/620/09 (b) 0106/20/09 (c) 01/06/2009 (d) 01/0620/09
22. 22.🔢 You want to remember the number 302277181. Which chunked version keeps every digit in the same order? (a) 302 277 1181 (b) 032 277 181 (c) 302 277 181 (d) 302 277 11
23. 23.📅 The digits 06012015 are a date: day, month, year. Which chunking shows the date? (a) 06/0120/15 (b) 060/120/15 (c) 0601/20/15 (d) 06/01/2015
24. 24.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
25. 25.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
26. 26.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.🔢 You want to remember the number 128619087. Which chunked version keeps every digit in the same order? (a) 126 190 87 (b) 128 619 087 (c) 128 619 078 (d) 128 619 9087
28. 28.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 1056108824. Which chunked version keeps every digit in the same order? (a) 105 661 08824 (b) 105 608 824 (c) 105 610 8824 (d) 150 610 8824
30. 30.📅 The digits 28011983 are a date: day, month, year. Which chunking shows the date? (a) 2801/19/83 (b) 28/0119/83 (c) 280/119/83 (d) 28/01/1983
31. 31.🔢 You want to remember the number 148931709. Which chunked version keeps every digit in the same order? (a) 148 931 790 (b) 148 931 70 (c) 148 931 709 (d) 148 931 7099
32. 32.🔢 You want to remember the number 837618066615. Which chunked version keeps every digit in the same order? (a) 8376 1806 6651 (b) 8761 8066 615 (c) 8377 6180 66615 (d) 8376 1806 6615
33. 33.🔢 You want to remember the number 607602171. Which chunked version keeps every digit in the same order? (a) 607 602 1171 (b) 607 602 171 (c) 607 602 117 (d) 607 602 71
34. 34.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
35. 35.📅 The digits 11101957 are a date: day, month, year. Which chunking shows the date? (a) 1110/19/57 (b) 11/1019/57 (c) 111/019/57 (d) 11/10/1957
36. 36.🔢 You want to remember the number 247558462. Which chunked version keeps every digit in the same order? (a) 245 584 62 (b) 247 558 642 (c) 247 755 8462 (d) 247 558 462
37. 37.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
38. 38.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
39. 39.📅 The digits 22052015 are a date: day, month, year. Which chunking shows the date? (a) 2205/20/15 (b) 220/520/15 (c) 22/0520/15 (d) 22/05/2015
40. 40.📅 The digits 04041956 are a date: day, month, year. Which chunking shows the date? (a) 0404/19/56 (b) 04/0419/56 (c) 04/04/1956 (d) 040/419/56

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