Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 922 · 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 02011971 are a date: day, month, year. Which chunking shows the date? (a) 02/01/1971 (b) 02/0119/71 (c) 020/119/71 (d) 0201/19/71
2. 2.🔢 You want to remember the number 9499042024. Which chunked version keeps every digit in the same order? (a) 949 902 4024 (b) 949 904 2024 (c) 994 990 42024 (d) 499 042 024
3. 3.🔢 Chunking works for… (a) numbers and letter lists (b) only numbers (c) only pictures (d) nothing at all
4. 4.🔢 You want to remember the number 250038399419. Which chunked version keeps every digit in the same order? (a) 2500 3839 9149 (b) 2500 3833 99419 (c) 2500 3839 941 (d) 2500 3839 9419
5. 5.🔢 What is chunking? (a) saying it backwards (b) splitting into groups (c) writing it twice (d) reading very fast
6. 6.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
8. 8.🔢 You want to remember the number 336484981. Which chunked version keeps every digit in the same order? (a) 336 484 981 (b) 336 484 891 (c) 336 484 9881 (d) 364 849 81
9. 9.📅 The digits 01032012 are a date: day, month, year. Which chunking shows the date? (a) 010/320/12 (b) 0103/20/12 (c) 01/03/2012 (d) 01/0320/12
10. 10.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
11. 11.📅 The digits 03111958 are a date: day, month, year. Which chunking shows the date? (a) 031/119/58 (b) 0311/19/58 (c) 03/11/1958 (d) 03/1119/58
12. 12.🔢 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
13. 13.🔢 You want to remember the number 541030694809. Which chunked version keeps every digit in the same order? (a) 5410 3069 4809 (b) 5410 3069 48809 (c) 5413 0694 809 (d) 5410 3609 4809
14. 14.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.📅 The digits 04041952 are a date: day, month, year. Which chunking shows the date? (a) 040/419/52 (b) 04/04/1952 (c) 0404/19/52 (d) 04/0419/52
16. 16.🔢 You want to remember the number 616654142461. Which chunked version keeps every digit in the same order? (a) 6166 5414 2461 (b) 6116 6541 42461 (c) 6165 4142 461 (d) 6166 5414 4261
17. 17.📅 The digits 11121980 are a date: day, month, year. Which chunking shows the date? (a) 11/12/1980 (b) 11/1219/80 (c) 111/219/80 (d) 1112/19/80
18. 18.📅 The digits 09082014 are a date: day, month, year. Which chunking shows the date? (a) 09/0820/14 (b) 0908/20/14 (c) 090/820/14 (d) 09/08/2014
19. 19.🔢 You want to remember the number 8750504054. Which chunked version keeps every digit in the same order? (a) 875 005 4054 (b) 875 050 40544 (c) 875 050 405 (d) 875 050 4054
20. 20.📅 The digits 20021970 are a date: day, month, year. Which chunking shows the date? (a) 20/02/1970 (b) 200/219/70 (c) 20/0219/70 (d) 2002/19/70
21. 21.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
22. 22.📅 The digits 15031963 are a date: day, month, year. Which chunking shows the date? (a) 150/319/63 (b) 1503/19/63 (c) 15/0319/63 (d) 15/03/1963
23. 23.📅 The digits 17021964 are a date: day, month, year. Which chunking shows the date? (a) 170/219/64 (b) 1702/19/64 (c) 17/0219/64 (d) 17/02/1964
24. 24.📅 The digits 12021968 are a date: day, month, year. Which chunking shows the date? (a) 1202/19/68 (b) 120/219/68 (c) 12/0219/68 (d) 12/02/1968
25. 25.🔢 You want to remember the number 567165733. Which chunked version keeps every digit in the same order? (a) 567 165 7733 (b) 567 167 33 (c) 567 156 733 (d) 567 165 733
26. 26.🔢 You want to remember the number 637885136. Which chunked version keeps every digit in the same order? (a) 637 788 5136 (b) 637 885 136 (c) 638 851 36 (d) 637 885 316
27. 27.🔢 You want to remember the number 390706942. Which chunked version keeps every digit in the same order? (a) 390 770 6942 (b) 390 706 942 (c) 390 076 942 (d) 390 769 42
28. 28.🔢 You want to remember the number 713903279268. Which chunked version keeps every digit in the same order? (a) 1739 0327 9268 (b) 7133 9032 79268 (c) 7139 0327 9268 (d) 7139 0327 928
29. 29.🔢 You want to remember the number 356696365. Which chunked version keeps every digit in the same order? (a) 356 696 6365 (b) 356 696 365 (c) 566 963 65 (d) 356 693 665
30. 30.🔢 You want to remember the number 4058100608. Which chunked version keeps every digit in the same order? (a) 408 100 608 (b) 450 810 0608 (c) 405 810 0608 (d) 400 581 00608
31. 31.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.🔢 You want to remember the number 876130899003. Which chunked version keeps every digit in the same order? (a) 8761 3089 9030 (b) 8761 3099 003 (c) 8876 1308 99003 (d) 8761 3089 9003
33. 33.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) three chunks, not ten (d) it is printed bigger
34. 34.🔢 You want to remember the number 342929074. Which chunked version keeps every digit in the same order? (a) 342 929 074 (b) 342 929 9074 (c) 342 920 74 (d) 342 929 704
35. 35.🔢 You want to remember the number 399137498699. Which chunked version keeps every digit in the same order? (a) 3991 3749 869 (b) 3991 3749 8699 (c) 3991 3749 98699 (d) 9391 3749 8699
36. 36.🔢 You want to remember the number 1402231161. Which chunked version keeps every digit in the same order? (a) 140 223 11161 (b) 140 223 1161 (c) 142 231 161 (d) 140 223 1116
37. 37.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
39. 39.📅 The digits 27051950 are a date: day, month, year. Which chunking shows the date? (a) 2705/19/50 (b) 27/0519/50 (c) 270/519/50 (d) 27/05/1950
40. 40.📅 The digits 06032022 are a date: day, month, year. Which chunking shows the date? (a) 06/0320/22 (b) 0603/20/22 (c) 06/03/2022 (d) 060/320/22

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