Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 935 · 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.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
3. 3.🔢 You want to remember the number 510659642. Which chunked version keeps every digit in the same order? (a) 510 659 642 (b) 150 659 642 (c) 510 659 6642 (d) 510 596 42
4. 4.🔢 You want to remember the number 244414001919. Which chunked version keeps every digit in the same order? (a) 2444 1400 01919 (b) 2444 4001 919 (c) 2444 1400 1919 (d) 2444 1040 1919
5. 5.🔢 You want to remember the number 348347816582. Which chunked version keeps every digit in the same order? (a) 3483 4716 582 (b) 3483 4788 16582 (c) 3483 7481 6582 (d) 3483 4781 6582
6. 6.🔢 You want to remember the number 491826480035. Which chunked version keeps every digit in the same order? (a) 4918 2648 003 (b) 4918 8264 80035 (c) 4918 2648 0035 (d) 4918 2468 0035
7. 7.📅 The digits 28061999 are a date: day, month, year. Which chunking shows the date? (a) 2806/19/99 (b) 28/0619/99 (c) 28/06/1999 (d) 280/619/99
8. 8.🔢 You want to remember the number 590396946. Which chunked version keeps every digit in the same order? (a) 590 399 46 (b) 590 396 946 (c) 599 039 6946 (d) 590 399 646
9. 9.📅 The digits 17091982 are a date: day, month, year. Which chunking shows the date? (a) 170/919/82 (b) 17/09/1982 (c) 17/0919/82 (d) 1709/19/82
10. 10.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) only pictures (d) numbers and letter lists
11. 11.🔢 You want to remember the number 341120997970. Which chunked version keeps every digit in the same order? (a) 3411 2099 77970 (b) 3411 2099 7970 (c) 3411 0299 7970 (d) 3411 2099 797
12. 12.🔢 You want to remember the number 2538334450. Which chunked version keeps every digit in the same order? (a) 253 833 4450 (b) 225 383 34450 (c) 235 833 4450 (d) 253 833 445
13. 13.📅 The digits 04121955 are a date: day, month, year. Which chunking shows the date? (a) 0412/19/55 (b) 041/219/55 (c) 04/12/1955 (d) 04/1219/55
14. 14.📅 The digits 17031982 are a date: day, month, year. Which chunking shows the date? (a) 17/03/1982 (b) 17/0319/82 (c) 170/319/82 (d) 1703/19/82
15. 15.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
16. 16.📅 The digits 02081989 are a date: day, month, year. Which chunking shows the date? (a) 0208/19/89 (b) 02/08/1989 (c) 020/819/89 (d) 02/0819/89
17. 17.🔢 You want to remember the number 3943078821. Which chunked version keeps every digit in the same order? (a) 394 307 8821 (b) 343 078 821 (c) 394 330 78821 (d) 394 307 8812
18. 18.📅 The digits 02111960 are a date: day, month, year. Which chunking shows the date? (a) 02/11/1960 (b) 02/1119/60 (c) 021/119/60 (d) 0211/19/60
19. 19.🔢 You want to remember the number 585383975737. Which chunked version keeps every digit in the same order? (a) 5853 8397 5737 (b) 5538 3975 737 (c) 5853 8397 75737 (d) 5853 8937 5737
20. 20.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 1 9 4 7 (c) 19 and 47 (d) 194 and 7
21. 21.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
22. 22.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
23. 23.📅 The digits 13072018 are a date: day, month, year. Which chunking shows the date? (a) 1307/20/18 (b) 13/07/2018 (c) 13/0720/18 (d) 130/720/18
24. 24.📅 The digits 01021999 are a date: day, month, year. Which chunking shows the date? (a) 01/0219/99 (b) 0102/19/99 (c) 010/219/99 (d) 01/02/1999
25. 25.📅 The digits 27101966 are a date: day, month, year. Which chunking shows the date? (a) 271/019/66 (b) 27/1019/66 (c) 27/10/1966 (d) 2710/19/66
26. 26.📅 The digits 11041963 are a date: day, month, year. Which chunking shows the date? (a) 11/04/1963 (b) 110/419/63 (c) 1104/19/63 (d) 11/0419/63
27. 27.🔢 You want to remember the number 337366397846. Which chunked version keeps every digit in the same order? (a) 3337 6639 7846 (b) 3373 6639 78846 (c) 3373 6397 846 (d) 3373 6639 7846
28. 28.🔢 You want to remember the number 636007535125. Which chunked version keeps every digit in the same order? (a) 6360 0753 515 (b) 6360 0753 5125 (c) 3660 0753 5125 (d) 6636 0075 35125
29. 29.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) three chunks, not ten (d) it has fewer digits
30. 30.🔢 You want to remember the number 383151306. Which chunked version keeps every digit in the same order? (a) 381 513 06 (b) 383 511 306 (c) 383 151 306 (d) 383 151 3066
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.📅 The digits 27121994 are a date: day, month, year. Which chunking shows the date? (a) 27/12/1994 (b) 271/219/94 (c) 27/1219/94 (d) 2712/19/94
33. 33.📅 The digits 11091969 are a date: day, month, year. Which chunking shows the date? (a) 11/09/1969 (b) 110/919/69 (c) 1109/19/69 (d) 11/0919/69
34. 34.📅 The digits 16102003 are a date: day, month, year. Which chunking shows the date? (a) 16/1020/03 (b) 1610/20/03 (c) 161/020/03 (d) 16/10/2003
35. 35.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
36. 36.🔢 You want to remember the number 667000509798. Which chunked version keeps every digit in the same order? (a) 6600 0509 798 (b) 6667 0005 09798 (c) 6670 0050 9798 (d) 6670 0050 7998
37. 37.🔢 You want to remember the number 433307071933. Which chunked version keeps every digit in the same order? (a) 3433 0707 1933 (b) 4333 3070 71933 (c) 4333 0707 1933 (d) 4333 0701 933
38. 38.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) reading very fast (d) saying it backwards
39. 39.📅 The digits 15121953 are a date: day, month, year. Which chunking shows the date? (a) 15/1219/53 (b) 1512/19/53 (c) 151/219/53 (d) 15/12/1953
40. 40.🔢 You want to remember the number 1251213137. Which chunked version keeps every digit in the same order? (a) 125 121 3137 (b) 125 512 13137 (c) 215 121 3137 (d) 125 121 137

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