Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 974 · 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 610398472. Which chunked version keeps every digit in the same order? (a) 613 098 472 (b) 610 398 8472 (c) 610 394 72 (d) 610 398 472
2. 2.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) saying it backwards (d) splitting into groups
3. 3.📅 The digits 19121991 are a date: day, month, year. Which chunking shows the date? (a) 191/219/91 (b) 19/12/1991 (c) 19/1219/91 (d) 1912/19/91
4. 4.🔢 You want to remember the number 320518084. Which chunked version keeps every digit in the same order? (a) 230 518 084 (b) 332 051 8084 (c) 320 518 08 (d) 320 518 084
5. 5.🔢 You want to remember the number 596851253906. Which chunked version keeps every digit in the same order? (a) 5968 5125 3906 (b) 5968 8512 53906 (c) 9685 1253 906 (d) 9568 5125 3906
6. 6.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.📅 The digits 17091987 are a date: day, month, year. Which chunking shows the date? (a) 17/0919/87 (b) 17/09/1987 (c) 1709/19/87 (d) 170/919/87
8. 8.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
9. 9.🔢 You want to remember the number 561221452212. Which chunked version keeps every digit in the same order? (a) 5612 2145 212 (b) 5612 2145 2212 (c) 5612 2415 2212 (d) 5661 2214 52212
10. 10.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it has fewer digits (c) three chunks, not ten (d) it is a smaller number
11. 11.🔢 You want to remember the number 171086910. Which chunked version keeps every digit in the same order? (a) 117 108 6910 (b) 171 086 910 (c) 171 089 610 (d) 171 069 10
12. 12.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
13. 13.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 194 and 7 (c) 1 9 4 7 (d) 1 and 947
14. 14.🔢 You want to remember the number 556908303809. Which chunked version keeps every digit in the same order? (a) 5569 0083 03809 (b) 5569 0830 3089 (c) 5569 0830 3809 (d) 5690 8303 809
15. 15.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
16. 16.📅 The digits 23101953 are a date: day, month, year. Which chunking shows the date? (a) 2310/19/53 (b) 23/1019/53 (c) 231/019/53 (d) 23/10/1953
17. 17.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.📅 The digits 28021981 are a date: day, month, year. Which chunking shows the date? (a) 2802/19/81 (b) 28/0219/81 (c) 28/02/1981 (d) 280/219/81
19. 19.🔢 You want to remember the number 4013517992. Which chunked version keeps every digit in the same order? (a) 403 151 7992 (b) 401 351 799 (c) 401 135 17992 (d) 401 351 7992
20. 20.📅 The digits 11031994 are a date: day, month, year. Which chunking shows the date? (a) 110/319/94 (b) 1103/19/94 (c) 11/0319/94 (d) 11/03/1994
21. 21.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.📅 The digits 19041969 are a date: day, month, year. Which chunking shows the date? (a) 19/04/1969 (b) 190/419/69 (c) 1904/19/69 (d) 19/0419/69
24. 24.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
26. 26.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only pictures (d) only numbers
27. 27.🔢 You want to remember the number 3383600123. Which chunked version keeps every digit in the same order? (a) 333 860 0123 (b) 383 600 123 (c) 338 360 0123 (d) 338 836 00123
28. 28.🔢 You want to remember the number 540426521. Which chunked version keeps every digit in the same order? (a) 540 426 251 (b) 540 425 21 (c) 540 426 5211 (d) 540 426 521
29. 29.🔢 You want to remember the number 955340532222. Which chunked version keeps every digit in the same order? (a) 9553 4053 2222 (b) 9553 4053 32222 (c) 9534 0532 222 (d) 9535 4053 2222
30. 30.🔢 You want to remember the number 323726817505. Which chunked version keeps every digit in the same order? (a) 3327 2681 7505 (b) 3237 2681 75055 (c) 3237 2817 505 (d) 3237 2681 7505
31. 31.🔢 You want to remember the number 987520904. Which chunked version keeps every digit in the same order? (a) 987 520 904 (b) 987 520 9904 (c) 875 209 04 (d) 987 250 904
32. 32.🔢 You want to remember the number 2246498404. Which chunked version keeps every digit in the same order? (a) 224 648 404 (b) 226 449 8404 (c) 224 664 98404 (d) 224 649 8404
33. 33.🔢 You want to remember the number 738720508892. Which chunked version keeps every digit in the same order? (a) 7382 7050 8892 (b) 7387 2050 8892 (c) 7382 0508 892 (d) 7738 7205 08892
34. 34.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
35. 35.📅 The digits 11081966 are a date: day, month, year. Which chunking shows the date? (a) 110/819/66 (b) 11/0819/66 (c) 1108/19/66 (d) 11/08/1966
36. 36.📅 The digits 25041991 are a date: day, month, year. Which chunking shows the date? (a) 2504/19/91 (b) 25/04/1991 (c) 25/0419/91 (d) 250/419/91
37. 37.🔢 You want to remember the number 339038385823. Which chunked version keeps every digit in the same order? (a) 3390 3838 8523 (b) 3390 3838 5823 (c) 3390 3835 823 (d) 3390 3833 85823
38. 38.🔢 You want to remember the number 684817052. Which chunked version keeps every digit in the same order? (a) 684 817 052 (b) 684 481 7052 (c) 864 817 052 (d) 848 170 52
39. 39.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
40. 40.🔢 You want to remember the number 290351926. Which chunked version keeps every digit in the same order? (a) 229 035 1926 (b) 290 351 926 (c) 290 351 26 (d) 920 351 926

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