Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 764 · 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.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 1 and 947 (d) 194 and 7
2. 2.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
3. 3.🔢 You want to remember the number 394677510. Which chunked version keeps every digit in the same order? (a) 394 677 5110 (b) 394 677 510 (c) 394 775 10 (d) 934 677 510
4. 4.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) splitting into groups (d) writing it twice
5. 5.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.🔢 You want to remember the number 7414773347. Which chunked version keeps every digit in the same order? (a) 744 773 347 (b) 741 147 73347 (c) 471 477 3347 (d) 741 477 3347
7. 7.📅 The digits 16081968 are a date: day, month, year. Which chunking shows the date? (a) 16/0819/68 (b) 16/08/1968 (c) 160/819/68 (d) 1608/19/68
8. 8.🔢 You want to remember the number 874917450. Which chunked version keeps every digit in the same order? (a) 874 917 450 (b) 887 491 7450 (c) 874 917 405 (d) 874 174 50
9. 9.🔢 You want to remember the number 102016717362. Which chunked version keeps every digit in the same order? (a) 1020 1671 7362 (b) 1102 0167 17362 (c) 0120 1671 7362 (d) 1001 6717 362
10. 10.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
11. 11.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
12. 12.🔢 You want to remember the number 914452731. Which chunked version keeps every digit in the same order? (a) 914 457 31 (b) 914 542 731 (c) 914 452 731 (d) 914 445 2731
13. 13.🔢 You want to remember the number 371830213425. Which chunked version keeps every digit in the same order? (a) 3718 3021 3425 (b) 3718 3002 13425 (c) 3718 3023 1425 (d) 3718 0213 425
14. 14.📅 The digits 20031994 are a date: day, month, year. Which chunking shows the date? (a) 200/319/94 (b) 2003/19/94 (c) 20/03/1994 (d) 20/0319/94
15. 15.📅 The digits 05091976 are a date: day, month, year. Which chunking shows the date? (a) 050/919/76 (b) 05/09/1976 (c) 0509/19/76 (d) 05/0919/76
16. 16.🔢 You want to remember the number 272150520299. Which chunked version keeps every digit in the same order? (a) 2721 5052 0299 (b) 2721 5052 029 (c) 2722 1505 20299 (d) 7221 5052 0299
17. 17.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.📅 The digits 20051973 are a date: day, month, year. Which chunking shows the date? (a) 200/519/73 (b) 20/05/1973 (c) 20/0519/73 (d) 2005/19/73
19. 19.🔢 You want to remember the number 3998289869. Which chunked version keeps every digit in the same order? (a) 399 982 89869 (b) 998 289 869 (c) 399 828 9689 (d) 399 828 9869
20. 20.🔢 You want to remember the number 776812858880. Which chunked version keeps every digit in the same order? (a) 7766 8128 58880 (b) 7786 1285 8880 (c) 7768 1285 8880 (d) 7768 1285 880
21. 21.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) only numbers (d) nothing at all
22. 22.📅 The digits 06062001 are a date: day, month, year. Which chunking shows the date? (a) 060/620/01 (b) 0606/20/01 (c) 06/0620/01 (d) 06/06/2001
23. 23.🔢 You want to remember the number 3302865443. Which chunked version keeps every digit in the same order? (a) 302 865 443 (b) 330 286 5443 (c) 330 028 65443 (d) 330 826 5443
24. 24.🔢 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
25. 25.📅 The digits 07121996 are a date: day, month, year. Which chunking shows the date? (a) 07/12/1996 (b) 07/1219/96 (c) 071/219/96 (d) 0712/19/96
26. 26.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.📅 The digits 05031984 are a date: day, month, year. Which chunking shows the date? (a) 05/03/1984 (b) 05/0319/84 (c) 050/319/84 (d) 0503/19/84
29. 29.🔢 You want to remember the number 790214823762. Which chunked version keeps every digit in the same order? (a) 7990 2148 23762 (b) 9702 1482 3762 (c) 7902 1482 3762 (d) 7902 1482 372
30. 30.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
33. 33.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) changes daily (d) is very long
34. 34.🔢 You want to remember the number 2300311624. Which chunked version keeps every digit in the same order? (a) 230 031 16244 (b) 230 031 162 (c) 230 013 1624 (d) 230 031 1624
35. 35.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
36. 36.📅 The digits 07081981 are a date: day, month, year. Which chunking shows the date? (a) 07/0819/81 (b) 0708/19/81 (c) 07/08/1981 (d) 070/819/81
37. 37.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
38. 38.📅 The digits 21061999 are a date: day, month, year. Which chunking shows the date? (a) 21/06/1999 (b) 21/0619/99 (c) 2106/19/99 (d) 210/619/99
39. 39.🔢 You want to remember the number 1297309113. Which chunked version keeps every digit in the same order? (a) 127 930 9113 (b) 129 730 09113 (c) 129 730 913 (d) 129 730 9113
40. 40.📅 The digits 19021957 are a date: day, month, year. Which chunking shows the date? (a) 19/02/1957 (b) 190/219/57 (c) 1902/19/57 (d) 19/0219/57

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