Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 591 · 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.📅 The digits 03101967 are a date: day, month, year. Which chunking shows the date? (a) 0310/19/67 (b) 031/019/67 (c) 03/1019/67 (d) 03/10/1967
2. 2.🔢 Chunking works for… (a) only numbers (b) only pictures (c) numbers and letter lists (d) nothing at all
3. 3.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.📅 The digits 06011971 are a date: day, month, year. Which chunking shows the date? (a) 060/119/71 (b) 0601/19/71 (c) 06/0119/71 (d) 06/01/1971
5. 5.📅 The digits 05071979 are a date: day, month, year. Which chunking shows the date? (a) 05/0719/79 (b) 05/07/1979 (c) 0507/19/79 (d) 050/719/79
6. 6.📅 The digits 01071973 are a date: day, month, year. Which chunking shows the date? (a) 01/0719/73 (b) 010/719/73 (c) 0107/19/73 (d) 01/07/1973
7. 7.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) means something to you (d) changes daily
8. 8.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 1 9 4 7 (d) 19 and 47
9. 9.📅 The digits 20121958 are a date: day, month, year. Which chunking shows the date? (a) 20/1219/58 (b) 20/12/1958 (c) 201/219/58 (d) 2012/19/58
10. 10.🔢 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
11. 11.🔢 You want to remember the number 542937072720. Which chunked version keeps every digit in the same order? (a) 5429 3707 272 (b) 5429 7307 2720 (c) 5429 3707 2720 (d) 5429 3707 22720
12. 12.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) splitting into groups (d) reading very fast
13. 13.📅 The digits 15101961 are a date: day, month, year. Which chunking shows the date? (a) 1510/19/61 (b) 15/1019/61 (c) 151/019/61 (d) 15/10/1961
14. 14.📅 The digits 23041966 are a date: day, month, year. Which chunking shows the date? (a) 23/0419/66 (b) 2304/19/66 (c) 23/04/1966 (d) 230/419/66
15. 15.📅 The digits 15122024 are a date: day, month, year. Which chunking shows the date? (a) 15/1220/24 (b) 15/12/2024 (c) 151/220/24 (d) 1512/20/24
16. 16.📅 The digits 17041974 are a date: day, month, year. Which chunking shows the date? (a) 1704/19/74 (b) 17/0419/74 (c) 170/419/74 (d) 17/04/1974
17. 17.🔢 You want to remember the number 700661577. Which chunked version keeps every digit in the same order? (a) 070 661 577 (b) 700 615 77 (c) 700 661 577 (d) 700 066 1577
18. 18.📅 The digits 03031986 are a date: day, month, year. Which chunking shows the date? (a) 03/03/1986 (b) 03/0319/86 (c) 030/319/86 (d) 0303/19/86
19. 19.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
21. 21.📅 The digits 27091953 are a date: day, month, year. Which chunking shows the date? (a) 2709/19/53 (b) 27/09/1953 (c) 270/919/53 (d) 27/0919/53
22. 22.🔢 You want to remember the number 6358646005. Which chunked version keeps every digit in the same order? (a) 635 864 6005 (b) 635 886 46005 (c) 638 564 6005 (d) 358 646 005
23. 23.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.🔢 You want to remember the number 1016026051. Which chunked version keeps every digit in the same order? (a) 116 026 051 (b) 101 660 26051 (c) 101 602 6051 (d) 101 602 6015
26. 26.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.📅 The digits 07062021 are a date: day, month, year. Which chunking shows the date? (a) 0706/20/21 (b) 070/620/21 (c) 07/0620/21 (d) 07/06/2021
28. 28.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
29. 29.📅 The digits 07101985 are a date: day, month, year. Which chunking shows the date? (a) 07/10/1985 (b) 0710/19/85 (c) 07/1019/85 (d) 071/019/85
30. 30.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 5213132445. Which chunked version keeps every digit in the same order? (a) 521 313 445 (b) 521 311 32445 (c) 521 313 4245 (d) 521 313 2445
32. 32.📅 The digits 27022012 are a date: day, month, year. Which chunking shows the date? (a) 270/220/12 (b) 27/02/2012 (c) 27/0220/12 (d) 2702/20/12
33. 33.📅 The digits 09052024 are a date: day, month, year. Which chunking shows the date? (a) 09/0520/24 (b) 09/05/2024 (c) 0905/20/24 (d) 090/520/24
34. 34.🔢 You want to remember the number 282249789. Which chunked version keeps every digit in the same order? (a) 282 249 879 (b) 282 497 89 (c) 282 249 9789 (d) 282 249 789
35. 35.🔢 You want to remember the number 1584464032. Which chunked version keeps every digit in the same order? (a) 158 446 4032 (b) 158 446 432 (c) 158 464 4032 (d) 158 444 64032
36. 36.📅 The digits 26061981 are a date: day, month, year. Which chunking shows the date? (a) 2606/19/81 (b) 26/06/1981 (c) 260/619/81 (d) 26/0619/81
37. 37.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
39. 39.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
40. 40.🔢 You want to remember the number 6721770307. Which chunked version keeps every digit in the same order? (a) 672 177 0307 (b) 762 177 0307 (c) 621 770 307 (d) 672 177 00307

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