Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 371 · 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 has fewer digits (b) it is printed bigger (c) it is a smaller number (d) three chunks, not ten
2. 2.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) reading very fast (d) saying it backwards
3. 3.📅 The digits 22121970 are a date: day, month, year. Which chunking shows the date? (a) 2212/19/70 (b) 22/12/1970 (c) 22/1219/70 (d) 221/219/70
4. 4.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
5. 5.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only pictures (d) only numbers
6. 6.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 You want to remember the number 693071187955. Which chunked version keeps every digit in the same order? (a) 6930 7118 79955 (b) 6930 7118 7955 (c) 9307 1187 955 (d) 9630 7118 7955
8. 8.🔢 You want to remember the number 154112580173. Which chunked version keeps every digit in the same order? (a) 1541 1258 01773 (b) 1541 1258 017 (c) 1541 2158 0173 (d) 1541 1258 0173
9. 9.🔢 You want to remember the number 799266699. Which chunked version keeps every digit in the same order? (a) 799 266 99 (b) 799 626 699 (c) 799 926 6699 (d) 799 266 699
10. 10.📅 The digits 22061954 are a date: day, month, year. Which chunking shows the date? (a) 2206/19/54 (b) 22/0619/54 (c) 220/619/54 (d) 22/06/1954
11. 11.🔢 You want to remember the number 549301142. Which chunked version keeps every digit in the same order? (a) 549 301 142 (b) 493 011 42 (c) 549 301 412 (d) 549 330 1142
12. 12.🔢 You want to remember the number 932249618559. Which chunked version keeps every digit in the same order? (a) 3224 9618 559 (b) 9322 4961 18559 (c) 9232 4961 8559 (d) 9322 4961 8559
13. 13.📅 The digits 22041952 are a date: day, month, year. Which chunking shows the date? (a) 220/419/52 (b) 22/0419/52 (c) 2204/19/52 (d) 22/04/1952
14. 14.📅 The digits 20112004 are a date: day, month, year. Which chunking shows the date? (a) 2011/20/04 (b) 20/1120/04 (c) 201/120/04 (d) 20/11/2004
15. 15.📅 The digits 04112016 are a date: day, month, year. Which chunking shows the date? (a) 04/1120/16 (b) 041/120/16 (c) 0411/20/16 (d) 04/11/2016
16. 16.📅 The digits 20101996 are a date: day, month, year. Which chunking shows the date? (a) 2010/19/96 (b) 20/10/1996 (c) 20/1019/96 (d) 201/019/96
17. 17.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 1 and 947 (d) 19 and 47
18. 18.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 7737089852. Which chunked version keeps every digit in the same order? (a) 773 370 89852 (b) 773 708 9825 (c) 773 709 852 (d) 773 708 9852
20. 20.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
21. 21.📅 The digits 06092019 are a date: day, month, year. Which chunking shows the date? (a) 0609/20/19 (b) 06/0920/19 (c) 06/09/2019 (d) 060/920/19
22. 22.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
23. 23.🔢 You want to remember the number 233189868. Which chunked version keeps every digit in the same order? (a) 323 189 868 (b) 233 198 68 (c) 233 189 868 (d) 233 189 9868
24. 24.🔢 You want to remember the number 898823553019. Which chunked version keeps every digit in the same order? (a) 8988 2355 3019 (b) 8988 2355 319 (c) 8898 2355 3019 (d) 8988 2355 53019
25. 25.📅 The digits 07071986 are a date: day, month, year. Which chunking shows the date? (a) 07/0719/86 (b) 0707/19/86 (c) 070/719/86 (d) 07/07/1986
26. 26.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 939576430. Which chunked version keeps every digit in the same order? (a) 939 576 30 (b) 939 576 430 (c) 939 756 430 (d) 939 576 4330
28. 28.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 109024312931. Which chunked version keeps every digit in the same order? (a) 1902 4312 931 (b) 1092 0431 2931 (c) 1090 2431 22931 (d) 1090 2431 2931
30. 30.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 1204181452. Which chunked version keeps every digit in the same order? (a) 120 481 1452 (b) 120 418 1452 (c) 120 418 14552 (d) 104 181 452
32. 32.🔢 You want to remember the number 613903633. Which chunked version keeps every digit in the same order? (a) 613 390 3633 (b) 613 903 33 (c) 613 093 633 (d) 613 903 633
33. 33.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
34. 34.📅 The digits 13082009 are a date: day, month, year. Which chunking shows the date? (a) 13/08/2009 (b) 130/820/09 (c) 1308/20/09 (d) 13/0820/09
35. 35.🔢 You want to remember the number 7391478889. Which chunked version keeps every digit in the same order? (a) 739 147 8889 (b) 739 148 7889 (c) 739 144 78889 (d) 739 478 889
36. 36.📅 The digits 12121984 are a date: day, month, year. Which chunking shows the date? (a) 121/219/84 (b) 12/1219/84 (c) 1212/19/84 (d) 12/12/1984
37. 37.🔢 You want to remember the number 125882242365. Which chunked version keeps every digit in the same order? (a) 1258 8224 3265 (b) 1258 8224 42365 (c) 1258 2242 365 (d) 1258 8224 2365
38. 38.🔢 You want to remember the number 588430762431. Which chunked version keeps every digit in the same order? (a) 5843 0762 431 (b) 5884 3076 2431 (c) 5588 4307 62431 (d) 5884 3076 2413
39. 39.📅 The digits 11052006 are a date: day, month, year. Which chunking shows the date? (a) 1105/20/06 (b) 11/0520/06 (c) 110/520/06 (d) 11/05/2006
40. 40.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) means something to you (d) has no pattern

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