Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 793 · 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 293269654. Which chunked version keeps every digit in the same order? (a) 293 269 654 (b) 293 696 54 (c) 293 296 654 (d) 229 326 9654
2. 2.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
3. 3.🔢 You want to remember the number 258565694. Which chunked version keeps every digit in the same order? (a) 258 556 94 (b) 285 565 694 (c) 258 565 6994 (d) 258 565 694
4. 4.🔢 You want to remember the number 964782185213. Which chunked version keeps every digit in the same order? (a) 9647 8218 5213 (b) 9964 7821 85213 (c) 9647 8128 5213 (d) 6478 2185 213
5. 5.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 6068422249. Which chunked version keeps every digit in the same order? (a) 606 842 2249 (b) 606 842 22449 (c) 606 842 249 (d) 606 824 2249
7. 7.📅 The digits 10032006 are a date: day, month, year. Which chunking shows the date? (a) 1003/20/06 (b) 10/03/2006 (c) 100/320/06 (d) 10/0320/06
8. 8.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 19 and 47 (d) 1 9 4 7
10. 10.🔢 You want to remember the number 611085824. Which chunked version keeps every digit in the same order? (a) 611 805 824 (b) 611 085 8224 (c) 611 858 24 (d) 611 085 824
11. 11.🔢 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
12. 12.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
13. 13.🔢 You want to remember the number 706707271. Which chunked version keeps every digit in the same order? (a) 706 702 771 (b) 706 670 7271 (c) 706 707 271 (d) 707 072 71
14. 14.🔢 You want to remember the number 672861608. Which chunked version keeps every digit in the same order? (a) 672 861 608 (b) 672 866 1608 (c) 672 861 68 (d) 672 816 608
15. 15.📅 The digits 08021961 are a date: day, month, year. Which chunking shows the date? (a) 08/0219/61 (b) 0802/19/61 (c) 08/02/1961 (d) 080/219/61
16. 16.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 391190213367. Which chunked version keeps every digit in the same order? (a) 3911 9021 336 (b) 3911 9021 33677 (c) 9311 9021 3367 (d) 3911 9021 3367
18. 18.📅 The digits 17082017 are a date: day, month, year. Which chunking shows the date? (a) 17/0820/17 (b) 170/820/17 (c) 1708/20/17 (d) 17/08/2017
19. 19.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.📅 The digits 05121975 are a date: day, month, year. Which chunking shows the date? (a) 05/1219/75 (b) 0512/19/75 (c) 05/12/1975 (d) 051/219/75
21. 21.📅 The digits 28012014 are a date: day, month, year. Which chunking shows the date? (a) 2801/20/14 (b) 280/120/14 (c) 28/01/2014 (d) 28/0120/14
22. 22.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only pictures (d) only numbers
23. 23.📅 The digits 07111964 are a date: day, month, year. Which chunking shows the date? (a) 07/1119/64 (b) 0711/19/64 (c) 07/11/1964 (d) 071/119/64
24. 24.🔢 You want to remember the number 4132275900. Which chunked version keeps every digit in the same order? (a) 132 275 900 (b) 411 322 75900 (c) 413 227 9500 (d) 413 227 5900
25. 25.🔢 You want to remember the number 871598445. Which chunked version keeps every digit in the same order? (a) 871 598 445 (b) 815 984 45 (c) 871 598 4445 (d) 781 598 445
26. 26.🔢 You want to remember the number 993486167262. Which chunked version keeps every digit in the same order? (a) 9934 8861 67262 (b) 9934 8616 7262 (c) 9934 8667 262 (d) 9934 8616 7226
27. 27.🔢 You want to remember the number 496043072002. Which chunked version keeps every digit in the same order? (a) 4960 4307 20022 (b) 4960 4307 2002 (c) 4960 4037 2002 (d) 4604 3072 002
28. 28.🔢 You want to remember the number 652741095557. Which chunked version keeps every digit in the same order? (a) 6652 7410 95557 (b) 6527 4109 555 (c) 6527 4109 5557 (d) 5627 4109 5557
29. 29.🔢 You want to remember the number 854609064551. Which chunked version keeps every digit in the same order? (a) 8456 0906 4551 (b) 8546 0906 4551 (c) 8540 9064 551 (d) 8546 0090 64551
30. 30.🔢 You want to remember the number 607784616. Which chunked version keeps every digit in the same order? (a) 607 784 616 (b) 670 784 616 (c) 607 784 6116 (d) 607 746 16
31. 31.📅 The digits 11031959 are a date: day, month, year. Which chunking shows the date? (a) 11/03/1959 (b) 1103/19/59 (c) 11/0319/59 (d) 110/319/59
32. 32.📅 The digits 27051950 are a date: day, month, year. Which chunking shows the date? (a) 2705/19/50 (b) 27/05/1950 (c) 270/519/50 (d) 27/0519/50
33. 33.🔢 You want to remember the number 180493253. Which chunked version keeps every digit in the same order? (a) 180 493 2553 (b) 180 493 253 (c) 180 432 53 (d) 810 493 253
34. 34.🔢 You want to remember the number 900151734. Which chunked version keeps every digit in the same order? (a) 900 151 74 (b) 900 151 734 (c) 900 157 134 (d) 900 155 1734
35. 35.🔢 You want to remember the number 3488564890. Which chunked version keeps every digit in the same order? (a) 348 856 4890 (b) 348 856 48990 (c) 348 856 480 (d) 348 856 4980
36. 36.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 5904393036. Which chunked version keeps every digit in the same order? (a) 950 439 3036 (b) 590 439 3036 (c) 590 043 93036 (d) 504 393 036
38. 38.🔢 You want to remember the number 7621939022. Which chunked version keeps every digit in the same order? (a) 776 219 39022 (b) 762 199 022 (c) 762 193 9022 (d) 762 913 9022
39. 39.📅 The digits 28032002 are a date: day, month, year. Which chunking shows the date? (a) 2803/20/02 (b) 280/320/02 (c) 28/0320/02 (d) 28/03/2002
40. 40.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?

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