Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 860 · 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.🔢 You want to remember the number 959152411. Which chunked version keeps every digit in the same order? (a) 959 915 2411 (b) 959 152 141 (c) 591 524 11 (d) 959 152 411
2. 2.🔢 You want to remember the number 379178119. Which chunked version keeps every digit in the same order? (a) 791 781 19 (b) 379 178 191 (c) 379 178 119 (d) 379 178 1119
3. 3.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) is very long (d) changes daily
4. 4.🔢 You want to remember the number 5018096595. Which chunked version keeps every digit in the same order? (a) 501 809 6595 (b) 501 809 66595 (c) 051 809 6595 (d) 518 096 595
5. 5.🔢 You want to remember the number 261352741946. Which chunked version keeps every digit in the same order? (a) 2613 5274 1946 (b) 2613 5274 146 (c) 2611 3527 41946 (d) 2613 5274 1964
6. 6.🔢 You want to remember the number 939796844737. Which chunked version keeps every digit in the same order? (a) 9399 7684 4737 (b) 9397 9684 473 (c) 9397 9684 4737 (d) 9397 9968 44737
7. 7.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
8. 8.📅 The digits 12052013 are a date: day, month, year. Which chunking shows the date? (a) 12/05/2013 (b) 12/0520/13 (c) 120/520/13 (d) 1205/20/13
9. 9.🔢 You want to remember the number 972808774073. Which chunked version keeps every digit in the same order? (a) 7928 0877 4073 (b) 9728 0877 4073 (c) 9728 8774 073 (d) 9728 0877 74073
10. 10.📅 The digits 09022013 are a date: day, month, year. Which chunking shows the date? (a) 09/02/2013 (b) 090/220/13 (c) 0902/20/13 (d) 09/0220/13
11. 11.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
12. 12.📅 The digits 05071987 are a date: day, month, year. Which chunking shows the date? (a) 05/07/1987 (b) 05/0719/87 (c) 0507/19/87 (d) 050/719/87
13. 13.📅 The digits 06011998 are a date: day, month, year. Which chunking shows the date? (a) 060/119/98 (b) 06/0119/98 (c) 0601/19/98 (d) 06/01/1998
14. 14.🔢 You want to remember the number 1565104123. Which chunked version keeps every digit in the same order? (a) 165 104 123 (b) 156 510 4213 (c) 156 510 41123 (d) 156 510 4123
15. 15.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
16. 16.📅 The digits 22051966 are a date: day, month, year. Which chunking shows the date? (a) 22/0519/66 (b) 2205/19/66 (c) 22/05/1966 (d) 220/519/66
17. 17.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
18. 18.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) only numbers (d) nothing at all
19. 19.🔢 You want to remember the number 540210299. Which chunked version keeps every digit in the same order? (a) 502 102 99 (b) 450 210 299 (c) 540 210 0299 (d) 540 210 299
20. 20.🔢 You want to remember the number 615090360271. Which chunked version keeps every digit in the same order? (a) 6509 0360 271 (b) 6150 9306 0271 (c) 6150 9036 0271 (d) 6150 9033 60271
21. 21.📅 The digits 20071998 are a date: day, month, year. Which chunking shows the date? (a) 200/719/98 (b) 2007/19/98 (c) 20/07/1998 (d) 20/0719/98
22. 22.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
23. 23.📅 The digits 21011996 are a date: day, month, year. Which chunking shows the date? (a) 21/0119/96 (b) 21/01/1996 (c) 210/119/96 (d) 2101/19/96
24. 24.📅 The digits 06041964 are a date: day, month, year. Which chunking shows the date? (a) 06/04/1964 (b) 06/0419/64 (c) 0604/19/64 (d) 060/419/64
25. 25.🔢 You want to remember the number 9278599891. Which chunked version keeps every digit in the same order? (a) 927 859 981 (b) 927 859 9891 (c) 927 785 99891 (d) 927 895 9891
26. 26.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 962451575168. Which chunked version keeps every digit in the same order? (a) 9624 5157 5168 (b) 6245 1575 168 (c) 9624 5155 75168 (d) 9624 5175 5168
28. 28.📅 The digits 19121978 are a date: day, month, year. Which chunking shows the date? (a) 1912/19/78 (b) 19/1219/78 (c) 191/219/78 (d) 19/12/1978
29. 29.📅 The digits 25121989 are a date: day, month, year. Which chunking shows the date? (a) 251/219/89 (b) 2512/19/89 (c) 25/1219/89 (d) 25/12/1989
30. 30.🔢 You want to remember the number 203124276. Which chunked version keeps every digit in the same order? (a) 203 124 2766 (b) 201 324 276 (c) 203 124 276 (d) 231 242 76
31. 31.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 19 and 47 (d) 1 and 947
34. 34.📅 The digits 20122024 are a date: day, month, year. Which chunking shows the date? (a) 201/220/24 (b) 20/12/2024 (c) 20/1220/24 (d) 2012/20/24
35. 35.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
36. 36.📅 The digits 02032017 are a date: day, month, year. Which chunking shows the date? (a) 020/320/17 (b) 0203/20/17 (c) 02/0320/17 (d) 02/03/2017
37. 37.📅 The digits 11041985 are a date: day, month, year. Which chunking shows the date? (a) 11/04/1985 (b) 1104/19/85 (c) 110/419/85 (d) 11/0419/85
38. 38.🔢 You want to remember the number 9017283643. Which chunked version keeps every digit in the same order? (a) 901 723 643 (b) 900 172 83643 (c) 901 278 3643 (d) 901 728 3643
39. 39.🔢 You want to remember the number 129954369. Which chunked version keeps every digit in the same order? (a) 129 954 39 (b) 129 954 369 (c) 129 995 4369 (d) 129 954 639
40. 40.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it has fewer digits (c) it is printed bigger (d) it is a smaller number

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