Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 85 · 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.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
3. 3.🔢 What is chunking? (a) splitting into groups (b) reading very fast (c) writing it twice (d) saying it backwards
4. 4.🔢 You want to remember the number 143596965. Which chunked version keeps every digit in the same order? (a) 143 596 9965 (b) 435 969 65 (c) 413 596 965 (d) 143 596 965
5. 5.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
6. 6.🔢 You want to remember the number 2948003928. Which chunked version keeps every digit in the same order? (a) 299 480 03928 (b) 294 003 928 (c) 294 800 3928 (d) 294 800 3982
7. 7.📅 The digits 01081981 are a date: day, month, year. Which chunking shows the date? (a) 01/0819/81 (b) 01/08/1981 (c) 010/819/81 (d) 0108/19/81
8. 8.🔢 You want to remember the number 114643644615. Which chunked version keeps every digit in the same order? (a) 1416 4364 4615 (b) 1114 6436 44615 (c) 1146 3644 615 (d) 1146 4364 4615
9. 9.🔢 You want to remember the number 832929626. Which chunked version keeps every digit in the same order? (a) 832 996 26 (b) 832 926 926 (c) 832 292 9626 (d) 832 929 626
10. 10.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 9 4 7 (c) 1 and 947 (d) 194 and 7
11. 11.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
12. 12.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.📅 The digits 05091989 are a date: day, month, year. Which chunking shows the date? (a) 05/09/1989 (b) 05/0919/89 (c) 050/919/89 (d) 0509/19/89
14. 14.🔢 You want to remember the number 125498150248. Which chunked version keeps every digit in the same order? (a) 1254 9185 0248 (b) 1549 8150 248 (c) 1254 9815 0248 (d) 1225 4981 50248
15. 15.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
16. 16.🔢 You want to remember the number 2970373863. Which chunked version keeps every digit in the same order? (a) 297 307 3863 (b) 297 037 38663 (c) 297 037 3863 (d) 297 037 383
17. 17.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.📅 The digits 07111980 are a date: day, month, year. Which chunking shows the date? (a) 0711/19/80 (b) 071/119/80 (c) 07/1119/80 (d) 07/11/1980
19. 19.🔢 You want to remember the number 293713865. Which chunked version keeps every digit in the same order? (a) 293 713 8865 (b) 293 731 865 (c) 293 713 865 (d) 237 138 65
20. 20.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) only numbers (d) nothing at all
21. 21.📅 The digits 27102000 are a date: day, month, year. Which chunking shows the date? (a) 2710/20/00 (b) 271/020/00 (c) 27/10/2000 (d) 27/1020/00
22. 22.🔢 You want to remember the number 221759402996. Which chunked version keeps every digit in the same order? (a) 2175 9402 996 (b) 2271 5940 2996 (c) 2217 5940 22996 (d) 2217 5940 2996
23. 23.📅 The digits 08071959 are a date: day, month, year. Which chunking shows the date? (a) 0807/19/59 (b) 08/0719/59 (c) 08/07/1959 (d) 080/719/59
24. 24.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
25. 25.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.🔢 You want to remember the number 3128272956. Which chunked version keeps every digit in the same order? (a) 328 272 956 (b) 312 827 29566 (c) 312 827 2965 (d) 312 827 2956
27. 27.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
28. 28.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.📅 The digits 10082016 are a date: day, month, year. Which chunking shows the date? (a) 100/820/16 (b) 10/0820/16 (c) 10/08/2016 (d) 1008/20/16
30. 30.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
31. 31.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
32. 32.📅 The digits 21021959 are a date: day, month, year. Which chunking shows the date? (a) 21/0219/59 (b) 2102/19/59 (c) 210/219/59 (d) 21/02/1959
33. 33.📅 The digits 11111957 are a date: day, month, year. Which chunking shows the date? (a) 111/119/57 (b) 11/1119/57 (c) 11/11/1957 (d) 1111/19/57
34. 34.📅 The digits 20012021 are a date: day, month, year. Which chunking shows the date? (a) 20/0120/21 (b) 2001/20/21 (c) 20/01/2021 (d) 200/120/21
35. 35.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you
36. 36.📅 The digits 15011954 are a date: day, month, year. Which chunking shows the date? (a) 1501/19/54 (b) 150/119/54 (c) 15/01/1954 (d) 15/0119/54
37. 37.📅 The digits 26042020 are a date: day, month, year. Which chunking shows the date? (a) 26/0420/20 (b) 2604/20/20 (c) 26/04/2020 (d) 260/420/20
38. 38.🔢 You want to remember the number 5438114721. Which chunked version keeps every digit in the same order? (a) 543 811 4721 (b) 543 811 47221 (c) 543 811 421 (d) 543 811 4712
39. 39.🔢 You want to remember the number 137643334. Which chunked version keeps every digit in the same order? (a) 133 764 3334 (b) 136 433 34 (c) 137 643 334 (d) 173 643 334
40. 40.🔢 You want to remember the number 291918564581. Which chunked version keeps every digit in the same order? (a) 2919 1856 5481 (b) 2991 8564 581 (c) 2919 1856 4581 (d) 2919 1185 64581

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