Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 717 · 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.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) reading very fast (d) writing it twice
2. 2.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
3. 3.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
4. 4.🔢 You want to remember the number 2875494939. Which chunked version keeps every digit in the same order? (a) 285 749 4939 (b) 287 549 49399 (c) 287 549 939 (d) 287 549 4939
5. 5.🔢 You want to remember the number 1028391693. Which chunked version keeps every digit in the same order? (a) 102 839 169 (b) 102 839 16993 (c) 102 839 1963 (d) 102 839 1693
6. 6.🔢 You want to remember the number 200886197548. Which chunked version keeps every digit in the same order? (a) 2080 8619 7548 (b) 2008 8611 97548 (c) 2008 8619 754 (d) 2008 8619 7548
7. 7.🔢 You want to remember the number 900984243343. Which chunked version keeps every digit in the same order? (a) 9009 8424 334 (b) 9009 8424 3343 (c) 0909 8424 3343 (d) 9009 8442 43343
8. 8.📅 The digits 02041982 are a date: day, month, year. Which chunking shows the date? (a) 0204/19/82 (b) 020/419/82 (c) 02/04/1982 (d) 02/0419/82
9. 9.📅 The digits 04081968 are a date: day, month, year. Which chunking shows the date? (a) 040/819/68 (b) 04/0819/68 (c) 0408/19/68 (d) 04/08/1968
10. 10.📅 The digits 26061998 are a date: day, month, year. Which chunking shows the date? (a) 260/619/98 (b) 2606/19/98 (c) 26/06/1998 (d) 26/0619/98
11. 11.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) nothing at all (d) only pictures
12. 12.📅 The digits 21011969 are a date: day, month, year. Which chunking shows the date? (a) 2101/19/69 (b) 21/0119/69 (c) 21/01/1969 (d) 210/119/69
13. 13.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
14. 14.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it has fewer digits (c) it is a smaller number (d) it is printed bigger
15. 15.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 194 and 7 (d) 1 9 4 7
16. 16.📅 The digits 21022003 are a date: day, month, year. Which chunking shows the date? (a) 21/0220/03 (b) 2102/20/03 (c) 21/02/2003 (d) 210/220/03
17. 17.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 6124602239. Which chunked version keeps every digit in the same order? (a) 614 602 239 (b) 661 246 02239 (c) 621 460 2239 (d) 612 460 2239
19. 19.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 1919722644. Which chunked version keeps every digit in the same order? (a) 191 972 2464 (b) 191 972 264 (c) 191 972 2644 (d) 199 197 22644
21. 21.📅 The digits 03041980 are a date: day, month, year. Which chunking shows the date? (a) 030/419/80 (b) 03/04/1980 (c) 03/0419/80 (d) 0304/19/80
22. 22.📅 The digits 14051953 are a date: day, month, year. Which chunking shows the date? (a) 14/0519/53 (b) 140/519/53 (c) 1405/19/53 (d) 14/05/1953
23. 23.📅 The digits 03082022 are a date: day, month, year. Which chunking shows the date? (a) 030/820/22 (b) 03/0820/22 (c) 03/08/2022 (d) 0308/20/22
24. 24.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
25. 25.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.🔢 You want to remember the number 5980553093. Which chunked version keeps every digit in the same order? (a) 598 055 3093 (b) 580 553 093 (c) 598 055 3903 (d) 598 805 53093
27. 27.🔢 You want to remember the number 597215414294. Which chunked version keeps every digit in the same order? (a) 5972 1541 4249 (b) 5972 1541 42294 (c) 5972 1414 294 (d) 5972 1541 4294
28. 28.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
30. 30.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 769156616. Which chunked version keeps every digit in the same order? (a) 769 156 66 (b) 796 156 616 (c) 769 156 616 (d) 769 156 6616
32. 32.📅 The digits 08051951 are a date: day, month, year. Which chunking shows the date? (a) 080/519/51 (b) 08/05/1951 (c) 0805/19/51 (d) 08/0519/51
33. 33.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.🔢 You want to remember the number 6393997477. Which chunked version keeps every digit in the same order? (a) 639 339 97477 (b) 639 399 4777 (c) 639 399 7477 (d) 639 399 747
35. 35.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
36. 36.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
37. 37.📅 The digits 11091972 are a date: day, month, year. Which chunking shows the date? (a) 1109/19/72 (b) 11/0919/72 (c) 11/09/1972 (d) 110/919/72
38. 38.📅 The digits 09052000 are a date: day, month, year. Which chunking shows the date? (a) 09/05/2000 (b) 0905/20/00 (c) 09/0520/00 (d) 090/520/00
39. 39.📅 The digits 02011958 are a date: day, month, year. Which chunking shows the date? (a) 020/119/58 (b) 0201/19/58 (c) 02/0119/58 (d) 02/01/1958
40. 40.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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