Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 82 · 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 643831191. Which chunked version keeps every digit in the same order? (a) 644 383 1191 (b) 638 311 91 (c) 643 831 191 (d) 634 831 191
2. 2.🔢 You want to remember the number 297983063. Which chunked version keeps every digit in the same order? (a) 297 983 063 (b) 299 798 3063 (c) 297 830 63 (d) 297 980 363
3. 3.📅 The digits 22102023 are a date: day, month, year. Which chunking shows the date? (a) 221/020/23 (b) 2210/20/23 (c) 22/1020/23 (d) 22/10/2023
4. 4.📅 The digits 09082022 are a date: day, month, year. Which chunking shows the date? (a) 0908/20/22 (b) 090/820/22 (c) 09/08/2022 (d) 09/0820/22
5. 5.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.📅 The digits 07012002 are a date: day, month, year. Which chunking shows the date? (a) 070/120/02 (b) 0701/20/02 (c) 07/01/2002 (d) 07/0120/02
7. 7.📅 The digits 28092022 are a date: day, month, year. Which chunking shows the date? (a) 28/0920/22 (b) 28/09/2022 (c) 280/920/22 (d) 2809/20/22
8. 8.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.📅 The digits 09071995 are a date: day, month, year. Which chunking shows the date? (a) 09/07/1995 (b) 0907/19/95 (c) 09/0719/95 (d) 090/719/95
10. 10.🔢 You want to remember the number 197756065465. Which chunked version keeps every digit in the same order? (a) 1975 6065 465 (b) 1977 5606 5465 (c) 1997 7560 65465 (d) 1977 5066 5465
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it has fewer digits (d) it is printed bigger
12. 12.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) writing it twice (d) splitting into groups
13. 13.🔢 You want to remember the number 2383001137. Which chunked version keeps every digit in the same order? (a) 238 300 117 (b) 233 830 01137 (c) 238 030 1137 (d) 238 300 1137
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.📅 The digits 16091990 are a date: day, month, year. Which chunking shows the date? (a) 160/919/90 (b) 16/09/1990 (c) 1609/19/90 (d) 16/0919/90
16. 16.🔢 You want to remember the number 830419518729. Which chunked version keeps every digit in the same order? (a) 8304 1951 8279 (b) 8330 4195 18729 (c) 8304 1951 8729 (d) 8341 9518 729
17. 17.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 and 947 (d) 1 9 4 7
18. 18.🔢 You want to remember the number 428481720. Which chunked version keeps every digit in the same order? (a) 482 481 720 (b) 428 481 720 (c) 428 487 20 (d) 428 481 7220
19. 19.🔢 You want to remember the number 199889245. Which chunked version keeps every digit in the same order? (a) 199 988 9245 (b) 198 892 45 (c) 199 882 945 (d) 199 889 245
20. 20.📅 The digits 14112025 are a date: day, month, year. Which chunking shows the date? (a) 14/1120/25 (b) 14/11/2025 (c) 1411/20/25 (d) 141/120/25
21. 21.📅 The digits 05091993 are a date: day, month, year. Which chunking shows the date? (a) 0509/19/93 (b) 05/0919/93 (c) 050/919/93 (d) 05/09/1993
22. 22.📅 The digits 01071988 are a date: day, month, year. Which chunking shows the date? (a) 010/719/88 (b) 01/07/1988 (c) 0107/19/88 (d) 01/0719/88
23. 23.📅 The digits 03052011 are a date: day, month, year. Which chunking shows the date? (a) 03/05/2011 (b) 0305/20/11 (c) 03/0520/11 (d) 030/520/11
24. 24.🔢 You want to remember the number 284437249. Which chunked version keeps every digit in the same order? (a) 284 443 7249 (b) 284 372 49 (c) 284 437 249 (d) 248 437 249
25. 25.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.🔢 You want to remember the number 2218899541. Which chunked version keeps every digit in the same order? (a) 221 889 9541 (b) 221 899 541 (c) 221 889 5941 (d) 221 889 95441
27. 27.📅 The digits 10011952 are a date: day, month, year. Which chunking shows the date? (a) 10/01/1952 (b) 1001/19/52 (c) 100/119/52 (d) 10/0119/52
28. 28.📅 The digits 18091993 are a date: day, month, year. Which chunking shows the date? (a) 18/09/1993 (b) 18/0919/93 (c) 1809/19/93 (d) 180/919/93
29. 29.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
30. 30.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 524651242. Which chunked version keeps every digit in the same order? (a) 524 651 242 (b) 254 651 242 (c) 552 465 1242 (d) 524 612 42
32. 32.🔢 You want to remember the number 904458719. Which chunked version keeps every digit in the same order? (a) 900 445 8719 (b) 904 457 819 (c) 904 458 719 (d) 904 458 71
33. 33.📅 The digits 24022011 are a date: day, month, year. Which chunking shows the date? (a) 240/220/11 (b) 2402/20/11 (c) 24/0220/11 (d) 24/02/2011
34. 34.📅 The digits 09121970 are a date: day, month, year. Which chunking shows the date? (a) 09/12/1970 (b) 091/219/70 (c) 09/1219/70 (d) 0912/19/70
35. 35.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) has no pattern (d) means something to you
36. 36.🔢 You want to remember the number 876371420. Which chunked version keeps every digit in the same order? (a) 887 637 1420 (b) 876 371 420 (c) 876 714 20 (d) 876 374 120
37. 37.📅 The digits 12122021 are a date: day, month, year. Which chunking shows the date? (a) 12/1220/21 (b) 12/12/2021 (c) 1212/20/21 (d) 121/220/21
38. 38.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
39. 39.🔢 You want to remember the number 8712979399. Which chunked version keeps every digit in the same order? (a) 871 297 79399 (b) 871 297 399 (c) 871 297 3999 (d) 871 297 9399
40. 40.📅 The digits 18081982 are a date: day, month, year. Which chunking shows the date? (a) 180/819/82 (b) 18/08/1982 (c) 1808/19/82 (d) 18/0819/82

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