Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 875 · 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.📅 The digits 17032015 are a date: day, month, year. Which chunking shows the date? (a) 1703/20/15 (b) 17/03/2015 (c) 170/320/15 (d) 17/0320/15
3. 3.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
4. 4.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
5. 5.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
6. 6.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
7. 7.📅 The digits 09071961 are a date: day, month, year. Which chunking shows the date? (a) 09/0719/61 (b) 0907/19/61 (c) 090/719/61 (d) 09/07/1961
8. 8.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 9 4 7 (c) 1 and 947 (d) 194 and 7
9. 9.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) is very long (d) changes daily
10. 10.📅 The digits 20022023 are a date: day, month, year. Which chunking shows the date? (a) 200/220/23 (b) 2002/20/23 (c) 20/02/2023 (d) 20/0220/23
11. 11.📅 The digits 06042001 are a date: day, month, year. Which chunking shows the date? (a) 06/0420/01 (b) 06/04/2001 (c) 0604/20/01 (d) 060/420/01
12. 12.🔢 You want to remember the number 606826335. Which chunked version keeps every digit in the same order? (a) 600 682 6335 (b) 606 826 335 (c) 606 826 35 (d) 660 826 335
13. 13.📅 The digits 13071976 are a date: day, month, year. Which chunking shows the date? (a) 1307/19/76 (b) 130/719/76 (c) 13/0719/76 (d) 13/07/1976
14. 14.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) splitting into groups (d) reading very fast
16. 16.📅 The digits 25011985 are a date: day, month, year. Which chunking shows the date? (a) 25/0119/85 (b) 2501/19/85 (c) 25/01/1985 (d) 250/119/85
17. 17.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 950011894740. Which chunked version keeps every digit in the same order? (a) 9500 1184 740 (b) 9500 1118 94740 (c) 9500 1189 7440 (d) 9500 1189 4740
19. 19.📅 The digits 07042015 are a date: day, month, year. Which chunking shows the date? (a) 0704/20/15 (b) 07/04/2015 (c) 070/420/15 (d) 07/0420/15
20. 20.🔢 You want to remember the number 635093045696. Which chunked version keeps every digit in the same order? (a) 6350 9304 696 (b) 6350 9304 56696 (c) 6350 9304 5669 (d) 6350 9304 5696
21. 21.🔢 You want to remember the number 8567251078. Which chunked version keeps every digit in the same order? (a) 865 725 1078 (b) 856 251 078 (c) 856 725 1078 (d) 856 725 10788
22. 22.📅 The digits 24031953 are a date: day, month, year. Which chunking shows the date? (a) 24/0319/53 (b) 240/319/53 (c) 2403/19/53 (d) 24/03/1953
23. 23.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 7185080987. Which chunked version keeps every digit in the same order? (a) 718 508 09877 (b) 715 080 987 (c) 781 508 0987 (d) 718 508 0987
25. 25.🔢 You want to remember the number 7792974588. Which chunked version keeps every digit in the same order? (a) 779 279 4588 (b) 792 974 588 (c) 779 297 44588 (d) 779 297 4588
26. 26.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
27. 27.📅 The digits 20062017 are a date: day, month, year. Which chunking shows the date? (a) 200/620/17 (b) 20/06/2017 (c) 20/0620/17 (d) 2006/20/17
28. 28.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
29. 29.📅 The digits 23022006 are a date: day, month, year. Which chunking shows the date? (a) 230/220/06 (b) 2302/20/06 (c) 23/02/2006 (d) 23/0220/06
30. 30.📅 The digits 09052004 are a date: day, month, year. Which chunking shows the date? (a) 09/0520/04 (b) 0905/20/04 (c) 090/520/04 (d) 09/05/2004
31. 31.🔢 You want to remember the number 1625260219. Which chunked version keeps every digit in the same order? (a) 625 260 219 (b) 162 526 00219 (c) 162 526 0219 (d) 126 526 0219
32. 32.📅 The digits 10101973 are a date: day, month, year. Which chunking shows the date? (a) 10/10/1973 (b) 1010/19/73 (c) 101/019/73 (d) 10/1019/73
33. 33.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
34. 34.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it is a smaller number (d) it has fewer digits
35. 35.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
36. 36.📅 The digits 26061957 are a date: day, month, year. Which chunking shows the date? (a) 2606/19/57 (b) 260/619/57 (c) 26/0619/57 (d) 26/06/1957
37. 37.📅 The digits 26012024 are a date: day, month, year. Which chunking shows the date? (a) 26/01/2024 (b) 26/0120/24 (c) 260/120/24 (d) 2601/20/24
38. 38.📅 The digits 19062022 are a date: day, month, year. Which chunking shows the date? (a) 19/0620/22 (b) 1906/20/22 (c) 19/06/2022 (d) 190/620/22
39. 39.🔢 You want to remember the number 357810702. Which chunked version keeps every digit in the same order? (a) 537 810 702 (b) 357 881 0702 (c) 357 810 70 (d) 357 810 702
40. 40.📅 The digits 06092020 are a date: day, month, year. Which chunking shows the date? (a) 060/920/20 (b) 06/0920/20 (c) 06/09/2020 (d) 0609/20/20

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