Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 800 · 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 113920762537. Which chunked version keeps every digit in the same order? (a) 1139 2706 2537 (b) 1139 0762 537 (c) 1133 9207 62537 (d) 1139 2076 2537
2. 2.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) has no pattern (d) means something to you
3. 3.🔢 You want to remember the number 9978505154. Which chunked version keeps every digit in the same order? (a) 997 580 5154 (b) 997 785 05154 (c) 997 850 5154 (d) 997 850 515
4. 4.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 and 947 (d) 1 9 4 7
6. 6.🔢 You want to remember the number 760718490169. Which chunked version keeps every digit in the same order? (a) 7607 1849 0619 (b) 7607 1849 169 (c) 7607 1849 0169 (d) 7600 7184 90169
7. 7.📅 The digits 18071973 are a date: day, month, year. Which chunking shows the date? (a) 180/719/73 (b) 18/0719/73 (c) 18/07/1973 (d) 1807/19/73
8. 8.🔢 You want to remember the number 392092129507. Which chunked version keeps every digit in the same order? (a) 3920 9221 29507 (b) 9209 2129 507 (c) 3290 9212 9507 (d) 3920 9212 9507
9. 9.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
10. 10.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) saying it backwards (d) writing it twice
11. 11.📅 The digits 28041994 are a date: day, month, year. Which chunking shows the date? (a) 2804/19/94 (b) 280/419/94 (c) 28/04/1994 (d) 28/0419/94
12. 12.🔢 You want to remember the number 170375976. Which chunked version keeps every digit in the same order? (a) 107 375 976 (b) 170 375 976 (c) 170 037 5976 (d) 103 759 76
13. 13.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 918308078. Which chunked version keeps every digit in the same order? (a) 918 308 078 (b) 918 300 78 (c) 918 300 878 (d) 918 330 8078
15. 15.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
16. 16.🔢 You want to remember the number 2447474082. Which chunked version keeps every digit in the same order? (a) 244 747 4082 (b) 244 747 44082 (c) 244 747 408 (d) 244 774 4082
17. 17.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 789380086. Which chunked version keeps every digit in the same order? (a) 789 380 0086 (b) 893 800 86 (c) 789 308 086 (d) 789 380 086
19. 19.📅 The digits 13032024 are a date: day, month, year. Which chunking shows the date? (a) 13/03/2024 (b) 1303/20/24 (c) 130/320/24 (d) 13/0320/24
20. 20.🔢 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
21. 21.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 5461144687. Which chunked version keeps every digit in the same order? (a) 546 114 4687 (b) 561 144 687 (c) 546 114 46687 (d) 546 141 4687
23. 23.🔢 You want to remember the number 592719764. Which chunked version keeps every digit in the same order? (a) 592 197 64 (b) 592 719 7644 (c) 592 719 764 (d) 592 179 764
24. 24.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.🔢 Chunking works for… (a) only numbers (b) nothing at all (c) only pictures (d) numbers and letter lists
26. 26.🔢 You want to remember the number 4304941607. Which chunked version keeps every digit in the same order? (a) 430 494 607 (b) 403 494 1607 (c) 430 494 1607 (d) 430 499 41607
27. 27.🔢 You want to remember the number 2689160097. Which chunked version keeps every digit in the same order? (a) 268 916 0097 (b) 268 916 60097 (c) 286 916 0097 (d) 289 160 097
28. 28.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.📅 The digits 08051968 are a date: day, month, year. Which chunking shows the date? (a) 08/0519/68 (b) 080/519/68 (c) 08/05/1968 (d) 0805/19/68
30. 30.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
32. 32.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
33. 33.📅 The digits 25101994 are a date: day, month, year. Which chunking shows the date? (a) 25/10/1994 (b) 25/1019/94 (c) 2510/19/94 (d) 251/019/94
34. 34.🔢 You want to remember the number 3056368864. Which chunked version keeps every digit in the same order? (a) 305 636 8864 (b) 305 366 8864 (c) 306 368 864 (d) 305 663 68864
35. 35.📅 The digits 22102021 are a date: day, month, year. Which chunking shows the date? (a) 2210/20/21 (b) 22/10/2021 (c) 221/020/21 (d) 22/1020/21
36. 36.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
37. 37.🔢 You want to remember the number 496041412. Which chunked version keeps every digit in the same order? (a) 946 041 412 (b) 496 041 412 (c) 496 041 4412 (d) 496 041 41
38. 38.🔢 You want to remember the number 795438704. Which chunked version keeps every digit in the same order? (a) 795 438 04 (b) 759 438 704 (c) 795 443 8704 (d) 795 438 704
39. 39.📅 The digits 13111988 are a date: day, month, year. Which chunking shows the date? (a) 1311/19/88 (b) 13/1119/88 (c) 13/11/1988 (d) 131/119/88
40. 40.🔢 You want to remember the number 764610943. Which chunked version keeps every digit in the same order? (a) 764 610 43 (b) 764 601 943 (c) 764 461 0943 (d) 764 610 943

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