Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 888 · 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.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
3. 3.🔢 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
4. 4.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) it is printed bigger (d) three chunks, not ten
5. 5.📅 The digits 27102021 are a date: day, month, year. Which chunking shows the date? (a) 27/1020/21 (b) 271/020/21 (c) 27/10/2021 (d) 2710/20/21
6. 6.📅 The digits 09112015 are a date: day, month, year. Which chunking shows the date? (a) 091/120/15 (b) 0911/20/15 (c) 09/11/2015 (d) 09/1120/15
7. 7.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
8. 8.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 You want to remember the number 278702664154. Which chunked version keeps every digit in the same order? (a) 7870 2664 154 (b) 2787 0266 41554 (c) 2787 0626 4154 (d) 2787 0266 4154
10. 10.📅 The digits 03101978 are a date: day, month, year. Which chunking shows the date? (a) 03/1019/78 (b) 0310/19/78 (c) 031/019/78 (d) 03/10/1978
11. 11.🔢 You want to remember the number 358781346379. Which chunked version keeps every digit in the same order? (a) 3587 8134 639 (b) 3587 8134 3679 (c) 3358 7813 46379 (d) 3587 8134 6379
12. 12.📅 The digits 12121970 are a date: day, month, year. Which chunking shows the date? (a) 12/1219/70 (b) 12/12/1970 (c) 121/219/70 (d) 1212/19/70
13. 13.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
14. 14.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) only numbers (d) nothing at all
15. 15.🔢 You want to remember the number 2618846513. Which chunked version keeps every digit in the same order? (a) 261 188 46513 (b) 621 884 6513 (c) 261 884 6513 (d) 218 846 513
16. 16.📅 The digits 14061986 are a date: day, month, year. Which chunking shows the date? (a) 140/619/86 (b) 1406/19/86 (c) 14/0619/86 (d) 14/06/1986
17. 17.📅 The digits 18092008 are a date: day, month, year. Which chunking shows the date? (a) 18/09/2008 (b) 1809/20/08 (c) 18/0920/08 (d) 180/920/08
18. 18.🔢 A chunk is easiest to keep when it… (a) means something to you (b) is very long (c) has no pattern (d) changes daily
19. 19.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 You want to remember the number 325079187564. Which chunked version keeps every digit in the same order? (a) 3250 7918 77564 (b) 3250 9187 564 (c) 3250 7918 7564 (d) 3250 7198 7564
22. 22.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
24. 24.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.🔢 You want to remember the number 9572993156. Which chunked version keeps every digit in the same order? (a) 955 729 93156 (b) 957 293 156 (c) 957 299 3156 (d) 597 299 3156
26. 26.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
27. 27.🔢 You want to remember the number 877481817. Which chunked version keeps every digit in the same order? (a) 787 481 817 (b) 774 818 17 (c) 877 481 817 (d) 887 748 1817
28. 28.📅 The digits 16091959 are a date: day, month, year. Which chunking shows the date? (a) 160/919/59 (b) 1609/19/59 (c) 16/09/1959 (d) 16/0919/59
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.📅 The digits 27032004 are a date: day, month, year. Which chunking shows the date? (a) 27/03/2004 (b) 27/0320/04 (c) 270/320/04 (d) 2703/20/04
31. 31.🔢 You want to remember the number 790026307. Which chunked version keeps every digit in the same order? (a) 900 263 07 (b) 790 026 6307 (c) 970 026 307 (d) 790 026 307
32. 32.🔢 You want to remember the number 266870155785. Which chunked version keeps every digit in the same order? (a) 2666 8701 55785 (b) 2668 7015 5785 (c) 2668 7051 5785 (d) 2667 0155 785
33. 33.🔢 You want to remember the number 671795143. Which chunked version keeps every digit in the same order? (a) 717 951 43 (b) 671 795 413 (c) 667 179 5143 (d) 671 795 143
34. 34.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
35. 35.🔢 You want to remember the number 9511090024. Which chunked version keeps every digit in the same order? (a) 951 109 002 (b) 951 109 0024 (c) 915 109 0024 (d) 951 109 00224
36. 36.📅 The digits 01012013 are a date: day, month, year. Which chunking shows the date? (a) 0101/20/13 (b) 01/01/2013 (c) 010/120/13 (d) 01/0120/13
37. 37.🔢 You want to remember the number 627733640. Which chunked version keeps every digit in the same order? (a) 627 733 460 (b) 627 733 640 (c) 627 733 64 (d) 627 773 3640
38. 38.🔢 You want to remember the number 451327891. Which chunked version keeps every digit in the same order? (a) 451 327 891 (b) 451 327 981 (c) 451 332 7891 (d) 413 278 91
39. 39.📅 The digits 04091963 are a date: day, month, year. Which chunking shows the date? (a) 040/919/63 (b) 0409/19/63 (c) 04/0919/63 (d) 04/09/1963
40. 40.🔢 You want to remember the number 6199063138. Which chunked version keeps every digit in the same order? (a) 619 903 6138 (b) 619 906 313 (c) 619 906 63138 (d) 619 906 3138

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