Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 222 · 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) nothing at all (b) only pictures (c) only numbers (d) numbers and letter lists
2. 2.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.🔢 You want to remember the number 541525855. Which chunked version keeps every digit in the same order? (a) 415 258 55 (b) 541 152 5855 (c) 451 525 855 (d) 541 525 855
4. 4.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 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
6. 6.🔢 You want to remember the number 5256323491. Which chunked version keeps every digit in the same order? (a) 525 623 491 (b) 525 632 34491 (c) 525 362 3491 (d) 525 632 3491
7. 7.📅 The digits 13102007 are a date: day, month, year. Which chunking shows the date? (a) 1310/20/07 (b) 13/10/2007 (c) 13/1020/07 (d) 131/020/07
8. 8.🔢 You want to remember the number 746691473. Which chunked version keeps every digit in the same order? (a) 746 691 73 (b) 746 691 743 (c) 746 691 473 (d) 774 669 1473
9. 9.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
10. 10.🔢 You want to remember the number 8206583998. Which chunked version keeps every digit in the same order? (a) 820 658 399 (b) 820 658 3998 (c) 820 658 39988 (d) 280 658 3998
11. 11.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) changes daily (d) is very long
13. 13.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) reading very fast (d) splitting into groups
14. 14.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 878163695. Which chunked version keeps every digit in the same order? (a) 881 636 95 (b) 871 863 695 (c) 878 163 3695 (d) 878 163 695
16. 16.🔢 You want to remember the number 239606303. Which chunked version keeps every digit in the same order? (a) 239 606 303 (b) 239 603 603 (c) 239 600 6303 (d) 396 063 03
17. 17.🔢 You want to remember the number 5952444303. Which chunked version keeps every digit in the same order? (a) 595 244 403 (b) 595 244 43003 (c) 595 244 4303 (d) 595 424 4303
18. 18.🔢 You want to remember the number 103852585900. Which chunked version keeps every digit in the same order? (a) 1038 5258 5090 (b) 1038 5258 5900 (c) 1038 5258 59900 (d) 0385 2585 900
19. 19.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.📅 The digits 07041960 are a date: day, month, year. Which chunking shows the date? (a) 070/419/60 (b) 07/0419/60 (c) 07/04/1960 (d) 0704/19/60
22. 22.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
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.🔢 You want to remember the number 480147543010. Which chunked version keeps every digit in the same order? (a) 4800 1475 43010 (b) 4801 4745 3010 (c) 4801 4754 3010 (d) 4801 4753 010
26. 26.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 686015478992. Which chunked version keeps every digit in the same order? (a) 6860 1547 88992 (b) 6860 5478 992 (c) 6860 1547 8992 (d) 8660 1547 8992
28. 28.🔢 You want to remember the number 135215904. Which chunked version keeps every digit in the same order? (a) 132 159 04 (b) 135 215 904 (c) 113 521 5904 (d) 135 251 904
29. 29.🔢 You want to remember the number 489716682. Which chunked version keeps every digit in the same order? (a) 489 716 682 (b) 489 716 862 (c) 489 716 82 (d) 489 711 6682
30. 30.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
32. 32.📅 The digits 17032004 are a date: day, month, year. Which chunking shows the date? (a) 17/03/2004 (b) 170/320/04 (c) 1703/20/04 (d) 17/0320/04
33. 33.📅 The digits 26091977 are a date: day, month, year. Which chunking shows the date? (a) 26/09/1977 (b) 26/0919/77 (c) 2609/19/77 (d) 260/919/77
34. 34.🔢 You want to remember the number 1159070080. Which chunked version keeps every digit in the same order? (a) 159 070 080 (b) 115 970 0080 (c) 115 907 0080 (d) 111 590 70080
35. 35.🔢 You want to remember the number 202512065. Which chunked version keeps every digit in the same order? (a) 202 512 065 (b) 202 551 2065 (c) 202 510 65 (d) 202 521 065
36. 36.🔢 Instead of holding 8 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 796417826. Which chunked version keeps every digit in the same order? (a) 796 417 26 (b) 779 641 7826 (c) 796 471 826 (d) 796 417 826
38. 38.📅 The digits 25051987 are a date: day, month, year. Which chunking shows the date? (a) 250/519/87 (b) 25/0519/87 (c) 2505/19/87 (d) 25/05/1987
39. 39.📅 The digits 06041959 are a date: day, month, year. Which chunking shows the date? (a) 06/0419/59 (b) 06/04/1959 (c) 060/419/59 (d) 0604/19/59
40. 40.📅 The digits 03071995 are a date: day, month, year. Which chunking shows the date? (a) 03/0719/95 (b) 030/719/95 (c) 0307/19/95 (d) 03/07/1995

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