Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 606 · 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.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) three chunks, not ten (d) it has fewer digits
2. 2.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you
3. 3.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
4. 4.📅 The digits 08041969 are a date: day, month, year. Which chunking shows the date? (a) 08/0419/69 (b) 0804/19/69 (c) 08/04/1969 (d) 080/419/69
5. 5.📅 The digits 08031994 are a date: day, month, year. Which chunking shows the date? (a) 0803/19/94 (b) 080/319/94 (c) 08/03/1994 (d) 08/0319/94
6. 6.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
7. 7.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) only pictures (d) nothing at all
8. 8.📅 The digits 21011996 are a date: day, month, year. Which chunking shows the date? (a) 210/119/96 (b) 21/01/1996 (c) 21/0119/96 (d) 2101/19/96
9. 9.🔢 What is chunking? (a) splitting into groups (b) writing it twice (c) reading very fast (d) saying it backwards
10. 10.📅 The digits 16081980 are a date: day, month, year. Which chunking shows the date? (a) 160/819/80 (b) 16/0819/80 (c) 16/08/1980 (d) 1608/19/80
11. 11.📅 The digits 01062013 are a date: day, month, year. Which chunking shows the date? (a) 01/06/2013 (b) 0106/20/13 (c) 010/620/13 (d) 01/0620/13
12. 12.📅 The digits 25081956 are a date: day, month, year. Which chunking shows the date? (a) 2508/19/56 (b) 25/08/1956 (c) 250/819/56 (d) 25/0819/56
13. 13.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 361142212. Which chunked version keeps every digit in the same order? (a) 361 142 12 (b) 316 142 212 (c) 361 142 2112 (d) 361 142 212
15. 15.🔢 You want to remember the number 164281386524. Which chunked version keeps every digit in the same order? (a) 6428 1386 524 (b) 1624 8138 6524 (c) 1642 8138 6524 (d) 1642 2813 86524
16. 16.🔢 You want to remember the number 9618699506. Which chunked version keeps every digit in the same order? (a) 916 869 9506 (b) 961 869 9506 (c) 966 186 99506 (d) 961 869 506
17. 17.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 6375762366. Which chunked version keeps every digit in the same order? (a) 637 576 2366 (b) 637 576 23666 (c) 375 762 366 (d) 637 576 2636
19. 19.📅 The digits 27092020 are a date: day, month, year. Which chunking shows the date? (a) 2709/20/20 (b) 27/0920/20 (c) 27/09/2020 (d) 270/920/20
20. 20.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 Instead of holding 9 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 221484038. Which chunked version keeps every digit in the same order? (a) 221 440 38 (b) 221 484 4038 (c) 224 184 038 (d) 221 484 038
23. 23.📅 The digits 15121992 are a date: day, month, year. Which chunking shows the date? (a) 1512/19/92 (b) 151/219/92 (c) 15/1219/92 (d) 15/12/1992
24. 24.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
25. 25.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.📅 The digits 06061959 are a date: day, month, year. Which chunking shows the date? (a) 06/06/1959 (b) 06/0619/59 (c) 0606/19/59 (d) 060/619/59
27. 27.🔢 You want to remember the number 5325198061. Which chunked version keeps every digit in the same order? (a) 532 511 98061 (b) 532 519 8061 (c) 532 519 806 (d) 532 591 8061
28. 28.🔢 You want to remember the number 615828637360. Which chunked version keeps every digit in the same order? (a) 6158 2886 37360 (b) 1658 2863 7360 (c) 6158 2863 7360 (d) 6182 8637 360
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.📅 The digits 12021968 are a date: day, month, year. Which chunking shows the date? (a) 12/0219/68 (b) 120/219/68 (c) 1202/19/68 (d) 12/02/1968
31. 31.📅 The digits 14101970 are a date: day, month, year. Which chunking shows the date? (a) 141/019/70 (b) 14/10/1970 (c) 14/1019/70 (d) 1410/19/70
32. 32.🔢 You want to remember the number 142681861. Which chunked version keeps every digit in the same order? (a) 126 818 61 (b) 146 281 861 (c) 142 681 861 (d) 144 268 1861
33. 33.🔢 You want to remember the number 215417719. Which chunked version keeps every digit in the same order? (a) 215 417 719 (b) 215 417 7119 (c) 254 177 19 (d) 215 147 719
34. 34.📅 The digits 11072023 are a date: day, month, year. Which chunking shows the date? (a) 11/0720/23 (b) 1107/20/23 (c) 110/720/23 (d) 11/07/2023
35. 35.📅 The digits 27101979 are a date: day, month, year. Which chunking shows the date? (a) 27/1019/79 (b) 2710/19/79 (c) 271/019/79 (d) 27/10/1979
36. 36.🔢 You want to remember the number 845433680731. Which chunked version keeps every digit in the same order? (a) 8453 3680 731 (b) 4854 3368 0731 (c) 8454 3368 0731 (d) 8454 3366 80731
37. 37.🔢 You want to remember the number 1971569140. Which chunked version keeps every digit in the same order? (a) 197 169 140 (b) 197 156 9140 (c) 197 115 69140 (d) 197 156 1940
38. 38.🔢 You want to remember the number 8526479827. Which chunked version keeps every digit in the same order? (a) 852 647 8927 (b) 852 647 987 (c) 852 647 9827 (d) 852 647 98827
39. 39.📅 The digits 07112017 are a date: day, month, year. Which chunking shows the date? (a) 071/120/17 (b) 07/1120/17 (c) 0711/20/17 (d) 07/11/2017
40. 40.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?

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