Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 92 · 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 4-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.🔢 You want to remember the number 297072426. Which chunked version keeps every digit in the same order? (a) 297 072 46 (b) 297 007 2426 (c) 297 072 426 (d) 290 772 426
3. 3.📅 The digits 22081958 are a date: day, month, year. Which chunking shows the date? (a) 2208/19/58 (b) 22/08/1958 (c) 220/819/58 (d) 22/0819/58
4. 4.📅 The digits 10121989 are a date: day, month, year. Which chunking shows the date? (a) 101/219/89 (b) 10/12/1989 (c) 1012/19/89 (d) 10/1219/89
5. 5.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
7. 7.📅 The digits 17081958 are a date: day, month, year. Which chunking shows the date? (a) 1708/19/58 (b) 170/819/58 (c) 17/0819/58 (d) 17/08/1958
8. 8.🔢 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
9. 9.🔢 You want to remember the number 880349039. Which chunked version keeps every digit in the same order? (a) 883 490 39 (b) 883 049 039 (c) 880 349 0399 (d) 880 349 039
10. 10.📅 The digits 20081999 are a date: day, month, year. Which chunking shows the date? (a) 200/819/99 (b) 2008/19/99 (c) 20/0819/99 (d) 20/08/1999
11. 11.🔢 You want to remember the number 454955306. Which chunked version keeps every digit in the same order? (a) 544 955 306 (b) 449 553 06 (c) 454 955 3006 (d) 454 955 306
12. 12.📅 The digits 28091971 are a date: day, month, year. Which chunking shows the date? (a) 280/919/71 (b) 28/0919/71 (c) 2809/19/71 (d) 28/09/1971
13. 13.📅 The digits 14041967 are a date: day, month, year. Which chunking shows the date? (a) 1404/19/67 (b) 14/04/1967 (c) 140/419/67 (d) 14/0419/67
14. 14.📅 The digits 25041951 are a date: day, month, year. Which chunking shows the date? (a) 250/419/51 (b) 2504/19/51 (c) 25/04/1951 (d) 25/0419/51
15. 15.📅 The digits 23122021 are a date: day, month, year. Which chunking shows the date? (a) 23/12/2021 (b) 231/220/21 (c) 2312/20/21 (d) 23/1220/21
16. 16.📅 The digits 28011969 are a date: day, month, year. Which chunking shows the date? (a) 280/119/69 (b) 2801/19/69 (c) 28/0119/69 (d) 28/01/1969
17. 17.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only numbers (d) only pictures
18. 18.🔢 You want to remember the number 311180620. Which chunked version keeps every digit in the same order? (a) 311 180 620 (b) 311 806 20 (c) 331 118 0620 (d) 131 180 620
19. 19.🔢 You want to remember the number 695959727675. Which chunked version keeps every digit in the same order? (a) 6959 5972 7675 (b) 6955 9727 675 (c) 6959 9597 27675 (d) 9659 5972 7675
20. 20.📅 The digits 28021956 are a date: day, month, year. Which chunking shows the date? (a) 2802/19/56 (b) 280/219/56 (c) 28/0219/56 (d) 28/02/1956
21. 21.🔢 A chunk is easiest to keep when it… (a) changes daily (b) has no pattern (c) is very long (d) means something to you
22. 22.🔢 You want to remember the number 3358238414. Which chunked version keeps every digit in the same order? (a) 335 823 8414 (b) 333 582 38414 (c) 335 283 8414 (d) 335 823 414
23. 23.🔢 You want to remember the number 8800659551. Which chunked version keeps every digit in the same order? (a) 880 065 955 (b) 880 066 59551 (c) 880 065 9551 (d) 808 065 9551
24. 24.🔢 You want to remember the number 1523397191. Which chunked version keeps every digit in the same order? (a) 153 239 7191 (b) 115 233 97191 (c) 152 339 191 (d) 152 339 7191
25. 25.📅 The digits 03032022 are a date: day, month, year. Which chunking shows the date? (a) 03/0320/22 (b) 030/320/22 (c) 0303/20/22 (d) 03/03/2022
26. 26.🔢 You want to remember the number 5506633268. Which chunked version keeps every digit in the same order? (a) 550 663 3268 (b) 550 663 33268 (c) 550 663 268 (d) 556 063 3268
27. 27.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 9 4 7 (d) 1 and 947
28. 28.📅 The digits 10051976 are a date: day, month, year. Which chunking shows the date? (a) 10/0519/76 (b) 10/05/1976 (c) 100/519/76 (d) 1005/19/76
29. 29.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
30. 30.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 539307574257. Which chunked version keeps every digit in the same order? (a) 5393 0757 4257 (b) 5393 0757 42557 (c) 5393 0574 257 (d) 3593 0757 4257
32. 32.📅 The digits 11021969 are a date: day, month, year. Which chunking shows the date? (a) 110/219/69 (b) 11/02/1969 (c) 1102/19/69 (d) 11/0219/69
33. 33.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
34. 34.📅 The digits 02101984 are a date: day, month, year. Which chunking shows the date? (a) 0210/19/84 (b) 02/1019/84 (c) 021/019/84 (d) 02/10/1984
35. 35.🔢 You want to remember the number 7480905220. Which chunked version keeps every digit in the same order? (a) 748 009 05220 (b) 480 905 220 (c) 478 090 5220 (d) 748 090 5220
36. 36.📅 The digits 03101953 are a date: day, month, year. Which chunking shows the date? (a) 031/019/53 (b) 03/10/1953 (c) 03/1019/53 (d) 0310/19/53
37. 37.🔢 You want to remember the number 806711171. Which chunked version keeps every digit in the same order? (a) 806 711 1771 (b) 806 711 71 (c) 807 611 171 (d) 806 711 171
38. 38.🔢 You want to remember the number 4837794385. Which chunked version keeps every digit in the same order? (a) 483 779 43855 (b) 437 794 385 (c) 483 779 4385 (d) 487 379 4385
39. 39.📅 The digits 16042012 are a date: day, month, year. Which chunking shows the date? (a) 1604/20/12 (b) 160/420/12 (c) 16/0420/12 (d) 16/04/2012
40. 40.🔢 You want to remember the number 8424008665. Which chunked version keeps every digit in the same order? (a) 824 008 665 (b) 842 400 6865 (c) 842 400 8665 (d) 842 400 08665

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