Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 897 · 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.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
2. 2.📅 The digits 17121967 are a date: day, month, year. Which chunking shows the date? (a) 171/219/67 (b) 1712/19/67 (c) 17/1219/67 (d) 17/12/1967
3. 3.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it has fewer digits (d) it is a smaller number
4. 4.🔢 You want to remember the number 508517410. Which chunked version keeps every digit in the same order? (a) 508 517 140 (b) 508 574 10 (c) 550 851 7410 (d) 508 517 410
5. 5.📅 The digits 24061990 are a date: day, month, year. Which chunking shows the date? (a) 2406/19/90 (b) 240/619/90 (c) 24/0619/90 (d) 24/06/1990
6. 6.📅 The digits 03021997 are a date: day, month, year. Which chunking shows the date? (a) 030/219/97 (b) 0302/19/97 (c) 03/02/1997 (d) 03/0219/97
7. 7.📅 The digits 18011969 are a date: day, month, year. Which chunking shows the date? (a) 1801/19/69 (b) 180/119/69 (c) 18/0119/69 (d) 18/01/1969
8. 8.🔢 You want to remember the number 128913176643. Which chunked version keeps every digit in the same order? (a) 1289 1316 643 (b) 1289 1317 66433 (c) 1289 1317 6643 (d) 2189 1317 6643
9. 9.📅 The digits 06121952 are a date: day, month, year. Which chunking shows the date? (a) 06/12/1952 (b) 06/1219/52 (c) 061/219/52 (d) 0612/19/52
10. 10.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) writing it twice (d) splitting into groups
11. 11.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
12. 12.🔢 You want to remember the number 676472364. Which chunked version keeps every digit in the same order? (a) 676 472 634 (b) 667 647 2364 (c) 676 472 364 (d) 676 472 64
13. 13.🔢 You want to remember the number 370129785. Which chunked version keeps every digit in the same order? (a) 370 129 9785 (b) 730 129 785 (c) 370 129 785 (d) 370 297 85
14. 14.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
15. 15.🔢 Instead of holding 9 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 6141585054. Which chunked version keeps every digit in the same order? (a) 614 158 55054 (b) 614 158 5054 (c) 614 155 8054 (d) 614 185 054
17. 17.🔢 You want to remember the number 648077907. Which chunked version keeps every digit in the same order? (a) 648 807 7907 (b) 648 077 907 (c) 648 707 907 (d) 480 779 07
18. 18.📅 The digits 20101994 are a date: day, month, year. Which chunking shows the date? (a) 20/10/1994 (b) 201/019/94 (c) 2010/19/94 (d) 20/1019/94
19. 19.🔢 You want to remember the number 400543823. Which chunked version keeps every digit in the same order? (a) 400 453 823 (b) 400 538 23 (c) 400 543 823 (d) 400 543 8233
20. 20.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 194 and 7 (c) 1 and 947 (d) 1 9 4 7
21. 21.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
22. 22.🔢 You want to remember the number 2841209611. Which chunked version keeps every digit in the same order? (a) 241 209 611 (b) 228 412 09611 (c) 284 120 9161 (d) 284 120 9611
23. 23.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
24. 24.📅 The digits 11081954 are a date: day, month, year. Which chunking shows the date? (a) 1108/19/54 (b) 11/08/1954 (c) 110/819/54 (d) 11/0819/54
25. 25.📅 The digits 28092007 are a date: day, month, year. Which chunking shows the date? (a) 2809/20/07 (b) 280/920/07 (c) 28/0920/07 (d) 28/09/2007
26. 26.🔢 You want to remember the number 531198620. Which chunked version keeps every digit in the same order? (a) 531 198 6620 (b) 531 189 620 (c) 531 986 20 (d) 531 198 620
27. 27.📅 The digits 28091964 are a date: day, month, year. Which chunking shows the date? (a) 2809/19/64 (b) 280/919/64 (c) 28/09/1964 (d) 28/0919/64
28. 28.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
30. 30.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.📅 The digits 22111971 are a date: day, month, year. Which chunking shows the date? (a) 22/1119/71 (b) 22/11/1971 (c) 221/119/71 (d) 2211/19/71
32. 32.🔢 You want to remember the number 414571403. Which chunked version keeps every digit in the same order? (a) 414 571 4403 (b) 414 574 103 (c) 414 514 03 (d) 414 571 403
33. 33.📅 The digits 12031993 are a date: day, month, year. Which chunking shows the date? (a) 12/0319/93 (b) 12/03/1993 (c) 120/319/93 (d) 1203/19/93
34. 34.🔢 You want to remember the number 852211987407. Which chunked version keeps every digit in the same order? (a) 5221 1987 407 (b) 8522 1197 8407 (c) 8522 1119 87407 (d) 8522 1198 7407
35. 35.📅 The digits 06121953 are a date: day, month, year. Which chunking shows the date? (a) 06/12/1953 (b) 06/1219/53 (c) 061/219/53 (d) 0612/19/53
36. 36.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.📅 The digits 11042012 are a date: day, month, year. Which chunking shows the date? (a) 1104/20/12 (b) 110/420/12 (c) 11/0420/12 (d) 11/04/2012
38. 38.🔢 You want to remember the number 850262638257. Which chunked version keeps every digit in the same order? (a) 8502 6263 82577 (b) 8502 6263 8257 (c) 8502 6238 257 (d) 8052 6263 8257
39. 39.📅 The digits 21091985 are a date: day, month, year. Which chunking shows the date? (a) 21/09/1985 (b) 21/0919/85 (c) 2109/19/85 (d) 210/919/85
40. 40.📅 The digits 06101986 are a date: day, month, year. Which chunking shows the date? (a) 06/1019/86 (b) 061/019/86 (c) 0610/19/86 (d) 06/10/1986

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