Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 620 · 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.📅 The digits 26031973 are a date: day, month, year. Which chunking shows the date? (a) 26/0319/73 (b) 2603/19/73 (c) 26/03/1973 (d) 260/319/73
2. 2.🔢 You want to remember the number 222174728. Which chunked version keeps every digit in the same order? (a) 222 174 728 (b) 222 714 728 (c) 222 174 7228 (d) 222 177 28
3. 3.📅 The digits 06041970 are a date: day, month, year. Which chunking shows the date? (a) 060/419/70 (b) 0604/19/70 (c) 06/0419/70 (d) 06/04/1970
4. 4.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) only numbers (d) numbers and letter lists
5. 5.📅 The digits 18061987 are a date: day, month, year. Which chunking shows the date? (a) 18/0619/87 (b) 180/619/87 (c) 18/06/1987 (d) 1806/19/87
6. 6.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) changes daily (d) is very long
7. 7.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) splitting into groups (d) reading very fast
8. 8.🔢 You want to remember the number 358470002468. Which chunked version keeps every digit in the same order? (a) 3847 0002 468 (b) 3584 7000 2468 (c) 3584 7700 02468 (d) 3584 7000 2486
9. 9.🔢 You want to remember the number 812604311001. Which chunked version keeps every digit in the same order? (a) 8126 0431 1001 (b) 8126 0431 100 (c) 8126 0431 0101 (d) 8126 0431 10011
10. 10.📅 The digits 03122001 are a date: day, month, year. Which chunking shows the date? (a) 031/220/01 (b) 03/12/2001 (c) 0312/20/01 (d) 03/1220/01
11. 11.📅 The digits 07101970 are a date: day, month, year. Which chunking shows the date? (a) 0710/19/70 (b) 07/1019/70 (c) 07/10/1970 (d) 071/019/70
12. 12.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.📅 The digits 10091996 are a date: day, month, year. Which chunking shows the date? (a) 10/0919/96 (b) 1009/19/96 (c) 100/919/96 (d) 10/09/1996
14. 14.🔢 You want to remember the number 431576408. Which chunked version keeps every digit in the same order? (a) 431 576 408 (b) 431 564 08 (c) 443 157 6408 (d) 431 567 408
15. 15.🔢 You want to remember the number 706503260. Which chunked version keeps every digit in the same order? (a) 770 650 3260 (b) 706 503 260 (c) 705 032 60 (d) 706 503 206
16. 16.📅 The digits 05102000 are a date: day, month, year. Which chunking shows the date? (a) 05/1020/00 (b) 05/10/2000 (c) 051/020/00 (d) 0510/20/00
17. 17.📅 The digits 05101990 are a date: day, month, year. Which chunking shows the date? (a) 0510/19/90 (b) 05/1019/90 (c) 05/10/1990 (d) 051/019/90
18. 18.🔢 You want to remember the number 9760091374. Which chunked version keeps every digit in the same order? (a) 976 009 1374 (b) 976 009 134 (c) 976 009 13744 (d) 970 609 1374
19. 19.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
20. 20.📅 The digits 19091958 are a date: day, month, year. Which chunking shows the date? (a) 19/0919/58 (b) 1909/19/58 (c) 190/919/58 (d) 19/09/1958
21. 21.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
22. 22.📅 The digits 16071975 are a date: day, month, year. Which chunking shows the date? (a) 16/0719/75 (b) 160/719/75 (c) 16/07/1975 (d) 1607/19/75
23. 23.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
24. 24.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.📅 The digits 12091962 are a date: day, month, year. Which chunking shows the date? (a) 12/0919/62 (b) 120/919/62 (c) 1209/19/62 (d) 12/09/1962
26. 26.📅 The digits 24071992 are a date: day, month, year. Which chunking shows the date? (a) 2407/19/92 (b) 240/719/92 (c) 24/0719/92 (d) 24/07/1992
27. 27.📅 The digits 02091996 are a date: day, month, year. Which chunking shows the date? (a) 0209/19/96 (b) 02/09/1996 (c) 020/919/96 (d) 02/0919/96
28. 28.🔢 You want to remember the number 900180869546. Which chunked version keeps every digit in the same order? (a) 9001 8089 6546 (b) 9001 8808 69546 (c) 9001 8086 9546 (d) 9001 0869 546
29. 29.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
30. 30.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 194 and 7 (c) 1 and 947 (d) 1 9 4 7
31. 31.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
32. 32.🔢 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
33. 33.🔢 You want to remember the number 385272055390. Which chunked version keeps every digit in the same order? (a) 3852 7255 390 (b) 3852 7205 3590 (c) 3855 2720 55390 (d) 3852 7205 5390
34. 34.🔢 You want to remember the number 993429066410. Which chunked version keeps every digit in the same order? (a) 9934 2906 64100 (b) 9934 2906 640 (c) 9934 2906 6410 (d) 9394 2906 6410
35. 35.🔢 You want to remember the number 158458701881. Which chunked version keeps every digit in the same order? (a) 1854 5870 1881 (b) 1584 5870 1881 (c) 1585 8701 881 (d) 1584 4587 01881
36. 36.📅 The digits 13041965 are a date: day, month, year. Which chunking shows the date? (a) 13/04/1965 (b) 13/0419/65 (c) 1304/19/65 (d) 130/419/65
37. 37.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
39. 39.📅 The digits 10021954 are a date: day, month, year. Which chunking shows the date? (a) 10/0219/54 (b) 100/219/54 (c) 10/02/1954 (d) 1002/19/54
40. 40.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?

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