Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 237 · 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.🔢 What is chunking? (a) saying it backwards (b) writing it twice (c) reading very fast (d) splitting into groups
2. 2.📅 The digits 22051959 are a date: day, month, year. Which chunking shows the date? (a) 22/0519/59 (b) 220/519/59 (c) 22/05/1959 (d) 2205/19/59
3. 3.🔢 You want to remember the number 590142172403. Which chunked version keeps every digit in the same order? (a) 5901 4211 72403 (b) 5901 4217 2403 (c) 5014 2172 403 (d) 5910 4217 2403
4. 4.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
5. 5.🔢 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
6. 6.🔢 You want to remember the number 692125828431. Which chunked version keeps every digit in the same order? (a) 6921 5828 431 (b) 6291 2582 8431 (c) 6921 2582 8431 (d) 6922 1258 28431
7. 7.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
8. 8.🔢 You want to remember the number 295690307590. Which chunked version keeps every digit in the same order? (a) 2956 9030 7590 (b) 2956 9003 7590 (c) 9569 0307 590 (d) 2956 9030 75900
9. 9.🔢 You want to remember the number 4197107152. Which chunked version keeps every digit in the same order? (a) 419 971 07152 (b) 419 170 7152 (c) 419 710 7152 (d) 419 717 152
10. 10.📅 The digits 05061968 are a date: day, month, year. Which chunking shows the date? (a) 05/0619/68 (b) 050/619/68 (c) 05/06/1968 (d) 0506/19/68
11. 11.🔢 You want to remember the number 2662211699. Which chunked version keeps every digit in the same order? (a) 262 621 1699 (b) 266 222 11699 (c) 266 221 699 (d) 266 221 1699
12. 12.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) is very long (d) means something to you
14. 14.🔢 You want to remember the number 542760461. Which chunked version keeps every digit in the same order? (a) 547 604 61 (b) 452 760 461 (c) 542 760 4611 (d) 542 760 461
15. 15.🔢 You want to remember the number 3735674084. Which chunked version keeps every digit in the same order? (a) 373 567 4084 (b) 373 556 74084 (c) 733 567 4084 (d) 373 567 084
16. 16.📅 The digits 02052009 are a date: day, month, year. Which chunking shows the date? (a) 0205/20/09 (b) 02/0520/09 (c) 020/520/09 (d) 02/05/2009
17. 17.🔢 You want to remember the number 238209576. Which chunked version keeps every digit in the same order? (a) 282 095 76 (b) 238 209 756 (c) 238 209 9576 (d) 238 209 576
18. 18.📅 The digits 08101976 are a date: day, month, year. Which chunking shows the date? (a) 08/1019/76 (b) 0810/19/76 (c) 081/019/76 (d) 08/10/1976
19. 19.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
20. 20.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it has fewer digits (c) it is printed bigger (d) three chunks, not ten
21. 21.📅 The digits 11061969 are a date: day, month, year. Which chunking shows the date? (a) 11/06/1969 (b) 110/619/69 (c) 1106/19/69 (d) 11/0619/69
22. 22.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 You want to remember the number 163037200468. Which chunked version keeps every digit in the same order? (a) 1630 3720 04668 (b) 1603 3720 0468 (c) 6303 7200 468 (d) 1630 3720 0468
24. 24.📅 The digits 22111972 are a date: day, month, year. Which chunking shows the date? (a) 22/1119/72 (b) 22/11/1972 (c) 2211/19/72 (d) 221/119/72
25. 25.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.📅 The digits 13032011 are a date: day, month, year. Which chunking shows the date? (a) 13/0320/11 (b) 13/03/2011 (c) 1303/20/11 (d) 130/320/11
27. 27.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 You want to remember the number 8752793072. Which chunked version keeps every digit in the same order? (a) 872 793 072 (b) 875 527 93072 (c) 875 279 3072 (d) 875 279 0372
29. 29.📅 The digits 06061963 are a date: day, month, year. Which chunking shows the date? (a) 060/619/63 (b) 0606/19/63 (c) 06/06/1963 (d) 06/0619/63
30. 30.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 956222480. Which chunked version keeps every digit in the same order? (a) 956 222 40 (b) 956 622 2480 (c) 956 222 408 (d) 956 222 480
32. 32.📅 The digits 26031970 are a date: day, month, year. Which chunking shows the date? (a) 2603/19/70 (b) 26/03/1970 (c) 260/319/70 (d) 26/0319/70
33. 33.🔢 You want to remember the number 8079077755. Which chunked version keeps every digit in the same order? (a) 087 907 7755 (b) 807 907 77555 (c) 807 907 7755 (d) 809 077 755
34. 34.🔢 You want to remember the number 350440407. Which chunked version keeps every digit in the same order? (a) 304 404 07 (b) 350 404 407 (c) 350 440 407 (d) 350 440 0407
35. 35.🔢 You want to remember the number 122535624521. Which chunked version keeps every digit in the same order? (a) 1223 5562 4521 (b) 1225 3562 4521 (c) 1225 5356 24521 (d) 1225 3524 521
36. 36.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
37. 37.📅 The digits 14072010 are a date: day, month, year. Which chunking shows the date? (a) 14/0720/10 (b) 14/07/2010 (c) 140/720/10 (d) 1407/20/10
38. 38.📅 The digits 13031980 are a date: day, month, year. Which chunking shows the date? (a) 1303/19/80 (b) 13/03/1980 (c) 130/319/80 (d) 13/0319/80
39. 39.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
40. 40.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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