Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 886 · 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 03072010 are a date: day, month, year. Which chunking shows the date? (a) 03/07/2010 (b) 03/0720/10 (c) 0307/20/10 (d) 030/720/10
2. 2.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) three chunks, not ten (c) it is a smaller number (d) it is printed bigger
3. 3.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 You want to remember the number 659408455. Which chunked version keeps every digit in the same order? (a) 659 408 55 (b) 659 408 455 (c) 659 048 455 (d) 659 408 4555
5. 5.🔢 You want to remember the number 5454112031. Which chunked version keeps every digit in the same order? (a) 545 541 12031 (b) 545 411 0231 (c) 545 412 031 (d) 545 411 2031
6. 6.🔢 You want to remember the number 8842939753. Which chunked version keeps every digit in the same order? (a) 884 293 753 (b) 884 293 9753 (c) 884 299 39753 (d) 848 293 9753
7. 7.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 2831871771. Which chunked version keeps every digit in the same order? (a) 283 188 71771 (b) 283 187 1771 (c) 283 187 771 (d) 238 187 1771
9. 9.🔢 You want to remember the number 425811006714. Which chunked version keeps every digit in the same order? (a) 4425 8110 06714 (b) 4258 1100 6714 (c) 4258 1100 6741 (d) 4258 1006 714
10. 10.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) nothing at all (d) only numbers
12. 12.🔢 You want to remember the number 916708720. Which chunked version keeps every digit in the same order? (a) 917 087 20 (b) 916 708 720 (c) 916 780 720 (d) 916 700 8720
13. 13.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
14. 14.📅 The digits 09041981 are a date: day, month, year. Which chunking shows the date? (a) 0904/19/81 (b) 09/0419/81 (c) 09/04/1981 (d) 090/419/81
15. 15.🔢 You want to remember the number 9425928929. Which chunked version keeps every digit in the same order? (a) 945 928 929 (b) 942 592 8929 (c) 942 529 8929 (d) 942 259 28929
16. 16.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
17. 17.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) splitting into groups (d) writing it twice
18. 18.📅 The digits 05062014 are a date: day, month, year. Which chunking shows the date? (a) 05/0620/14 (b) 0506/20/14 (c) 05/06/2014 (d) 050/620/14
19. 19.🔢 A chunk is easiest to keep when it… (a) is very long (b) means something to you (c) has no pattern (d) changes daily
20. 20.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.📅 The digits 18072025 are a date: day, month, year. Which chunking shows the date? (a) 180/720/25 (b) 18/07/2025 (c) 18/0720/25 (d) 1807/20/25
22. 22.📅 The digits 07122021 are a date: day, month, year. Which chunking shows the date? (a) 071/220/21 (b) 0712/20/21 (c) 07/1220/21 (d) 07/12/2021
23. 23.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.📅 The digits 20072014 are a date: day, month, year. Which chunking shows the date? (a) 200/720/14 (b) 2007/20/14 (c) 20/0720/14 (d) 20/07/2014
25. 25.🔢 You want to remember the number 583106400. Which chunked version keeps every digit in the same order? (a) 583 160 400 (b) 831 064 00 (c) 583 310 6400 (d) 583 106 400
26. 26.📅 The digits 18092013 are a date: day, month, year. Which chunking shows the date? (a) 18/0920/13 (b) 1809/20/13 (c) 180/920/13 (d) 18/09/2013
27. 27.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 9470154013. Which chunked version keeps every digit in the same order? (a) 947 154 013 (b) 947 051 4013 (c) 944 701 54013 (d) 947 015 4013
30. 30.📅 The digits 08112008 are a date: day, month, year. Which chunking shows the date? (a) 08/1120/08 (b) 0811/20/08 (c) 081/120/08 (d) 08/11/2008
31. 31.📅 The digits 04121958 are a date: day, month, year. Which chunking shows the date? (a) 041/219/58 (b) 0412/19/58 (c) 04/1219/58 (d) 04/12/1958
32. 32.📅 The digits 27121965 are a date: day, month, year. Which chunking shows the date? (a) 27/1219/65 (b) 271/219/65 (c) 27/12/1965 (d) 2712/19/65
33. 33.🔢 You want to remember the number 420303376290. Which chunked version keeps every digit in the same order? (a) 4203 0376 290 (b) 4230 0337 6290 (c) 4200 3033 76290 (d) 4203 0337 6290
34. 34.📅 The digits 20091952 are a date: day, month, year. Which chunking shows the date? (a) 20/09/1952 (b) 200/919/52 (c) 2009/19/52 (d) 20/0919/52
35. 35.🔢 You want to remember the number 320525010. Which chunked version keeps every digit in the same order? (a) 320 525 10 (b) 302 525 010 (c) 332 052 5010 (d) 320 525 010
36. 36.📅 The digits 24012014 are a date: day, month, year. Which chunking shows the date? (a) 24/0120/14 (b) 240/120/14 (c) 2401/20/14 (d) 24/01/2014
37. 37.🔢 You want to remember the number 1000175013. Which chunked version keeps every digit in the same order? (a) 100 107 5013 (b) 110 001 75013 (c) 100 017 5013 (d) 100 075 013
38. 38.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 1 and 947 (d) 19 and 47
39. 39.🔢 You want to remember the number 423775241268. Which chunked version keeps every digit in the same order? (a) 4237 7254 1268 (b) 4237 7524 1268 (c) 4237 7524 12668 (d) 4237 7524 128
40. 40.📅 The digits 17052018 are a date: day, month, year. Which chunking shows the date? (a) 170/520/18 (b) 17/0520/18 (c) 1705/20/18 (d) 17/05/2018

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