Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 789 · 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.🔢 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
3. 3.📅 The digits 15072015 are a date: day, month, year. Which chunking shows the date? (a) 150/720/15 (b) 15/0720/15 (c) 15/07/2015 (d) 1507/20/15
4. 4.🔢 You want to remember the number 400806574. Which chunked version keeps every digit in the same order? (a) 408 065 74 (b) 400 806 754 (c) 400 806 574 (d) 440 080 6574
5. 5.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 19 and 47 (d) 1 9 4 7
6. 6.🔢 You want to remember the number 516720214. Which chunked version keeps every digit in the same order? (a) 516 720 214 (b) 516 720 21 (c) 516 720 0214 (d) 516 270 214
7. 7.📅 The digits 16071980 are a date: day, month, year. Which chunking shows the date? (a) 1607/19/80 (b) 160/719/80 (c) 16/0719/80 (d) 16/07/1980
8. 8.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
10. 10.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
11. 11.🔢 You want to remember the number 9014987066. Which chunked version keeps every digit in the same order? (a) 901 498 7066 (b) 901 498 70066 (c) 901 498 706 (d) 091 498 7066
12. 12.🔢 You want to remember the number 8416504869. Which chunked version keeps every digit in the same order? (a) 814 650 4869 (b) 841 665 04869 (c) 841 650 4869 (d) 841 650 469
13. 13.🔢 You want to remember the number 5406159611. Which chunked version keeps every digit in the same order? (a) 540 615 961 (b) 540 615 9611 (c) 540 619 5611 (d) 540 615 96111
14. 14.📅 The digits 02041978 are a date: day, month, year. Which chunking shows the date? (a) 02/0419/78 (b) 02/04/1978 (c) 0204/19/78 (d) 020/419/78
15. 15.📅 The digits 08122009 are a date: day, month, year. Which chunking shows the date? (a) 08/12/2009 (b) 0812/20/09 (c) 08/1220/09 (d) 081/220/09
16. 16.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) has no pattern (d) means something to you
17. 17.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
18. 18.🔢 You want to remember the number 427132771903. Which chunked version keeps every digit in the same order? (a) 4271 3327 71903 (b) 4271 3277 193 (c) 4271 3277 1903 (d) 4271 3277 9103
19. 19.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 You want to remember the number 3405605031. Which chunked version keeps every digit in the same order? (a) 340 565 031 (b) 340 560 50031 (c) 340 560 5031 (d) 430 560 5031
21. 21.🔢 You want to remember the number 7635271355. Which chunked version keeps every digit in the same order? (a) 763 527 1355 (b) 763 527 13555 (c) 763 527 135 (d) 765 327 1355
22. 22.🔢 You want to remember the number 8178177231. Which chunked version keeps every digit in the same order? (a) 178 177 231 (b) 817 187 7231 (c) 817 817 7231 (d) 817 817 77231
23. 23.🔢 Chunking works for… (a) only numbers (b) only pictures (c) numbers and letter lists (d) nothing at all
24. 24.📅 The digits 07012000 are a date: day, month, year. Which chunking shows the date? (a) 0701/20/00 (b) 07/01/2000 (c) 070/120/00 (d) 07/0120/00
25. 25.📅 The digits 11091994 are a date: day, month, year. Which chunking shows the date? (a) 11/0919/94 (b) 1109/19/94 (c) 110/919/94 (d) 11/09/1994
26. 26.📅 The digits 16101965 are a date: day, month, year. Which chunking shows the date? (a) 161/019/65 (b) 16/1019/65 (c) 1610/19/65 (d) 16/10/1965
27. 27.📅 The digits 20042014 are a date: day, month, year. Which chunking shows the date? (a) 200/420/14 (b) 20/0420/14 (c) 2004/20/14 (d) 20/04/2014
28. 28.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.📅 The digits 05041963 are a date: day, month, year. Which chunking shows the date? (a) 0504/19/63 (b) 05/04/1963 (c) 05/0419/63 (d) 050/419/63
30. 30.🔢 You want to remember the number 265824822952. Which chunked version keeps every digit in the same order? (a) 2658 4282 2952 (b) 2658 2488 22952 (c) 2658 2482 2952 (d) 6582 4822 952
31. 31.🔢 You want to remember the number 802806480. Which chunked version keeps every digit in the same order? (a) 802 806 408 (b) 802 864 80 (c) 802 280 6480 (d) 802 806 480
32. 32.🔢 You want to remember the number 4518124414. Which chunked version keeps every digit in the same order? (a) 415 812 4414 (b) 451 812 44414 (c) 418 124 414 (d) 451 812 4414
33. 33.📅 The digits 10061975 are a date: day, month, year. Which chunking shows the date? (a) 10/0619/75 (b) 1006/19/75 (c) 10/06/1975 (d) 100/619/75
34. 34.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) splitting into groups (d) saying it backwards
35. 35.📅 The digits 01011980 are a date: day, month, year. Which chunking shows the date? (a) 0101/19/80 (b) 010/119/80 (c) 01/0119/80 (d) 01/01/1980
36. 36.📅 The digits 18021985 are a date: day, month, year. Which chunking shows the date? (a) 1802/19/85 (b) 18/02/1985 (c) 180/219/85 (d) 18/0219/85
37. 37.🔢 You want to remember the number 9249611925. Which chunked version keeps every digit in the same order? (a) 924 911 925 (b) 924 961 11925 (c) 924 961 1952 (d) 924 961 1925
38. 38.🔢 You want to remember the number 271815314. Which chunked version keeps every digit in the same order? (a) 271 815 314 (b) 278 115 314 (c) 227 181 5314 (d) 218 153 14
39. 39.🔢 You want to remember the number 6863700070. Which chunked version keeps every digit in the same order? (a) 686 370 0070 (b) 866 370 0070 (c) 668 637 00070 (d) 663 700 070
40. 40.🔢 You want to remember the number 684822261. Which chunked version keeps every digit in the same order? (a) 684 482 2261 (b) 684 822 261 (c) 688 222 61 (d) 688 422 261

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