Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 230 · 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.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
2. 2.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.📅 The digits 28031994 are a date: day, month, year. Which chunking shows the date? (a) 2803/19/94 (b) 280/319/94 (c) 28/0319/94 (d) 28/03/1994
4. 4.🔢 You want to remember the number 452686654971. Which chunked version keeps every digit in the same order? (a) 4526 6865 4971 (b) 4568 6654 971 (c) 4526 8665 4971 (d) 4526 6866 54971
5. 5.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
6. 6.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
7. 7.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
8. 8.🔢 You want to remember the number 8190089836. Which chunked version keeps every digit in the same order? (a) 819 008 8936 (b) 819 008 9836 (c) 881 900 89836 (d) 819 008 936
9. 9.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
10. 10.📅 The digits 05121961 are a date: day, month, year. Which chunking shows the date? (a) 05/1219/61 (b) 051/219/61 (c) 05/12/1961 (d) 0512/19/61
11. 11.🔢 You want to remember the number 4800483981. Which chunked version keeps every digit in the same order? (a) 480 043 8981 (b) 480 048 3981 (c) 480 048 398 (d) 480 044 83981
12. 12.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
13. 13.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) writing it twice (d) splitting into groups
14. 14.🔢 You want to remember the number 671210018801. Which chunked version keeps every digit in the same order? (a) 6712 1001 8810 (b) 6712 1001 88011 (c) 7121 0018 801 (d) 6712 1001 8801
15. 15.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) it has fewer digits (d) three chunks, not ten
16. 16.📅 The digits 05042001 are a date: day, month, year. Which chunking shows the date? (a) 05/0420/01 (b) 05/04/2001 (c) 0504/20/01 (d) 050/420/01
17. 17.🔢 You want to remember the number 857935952. Which chunked version keeps every digit in the same order? (a) 875 935 952 (b) 857 959 52 (c) 857 933 5952 (d) 857 935 952
18. 18.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 6574663361. Which chunked version keeps every digit in the same order? (a) 657 646 3361 (b) 657 466 3361 (c) 657 466 33361 (d) 657 663 361
20. 20.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 546939446. Which chunked version keeps every digit in the same order? (a) 569 394 46 (b) 546 934 946 (c) 546 939 446 (d) 546 993 9446
23. 23.📅 The digits 08081966 are a date: day, month, year. Which chunking shows the date? (a) 08/0819/66 (b) 08/08/1966 (c) 0808/19/66 (d) 080/819/66
24. 24.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
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.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 429761509. Which chunked version keeps every digit in the same order? (a) 429 716 509 (b) 497 615 09 (c) 429 761 509 (d) 429 766 1509
28. 28.🔢 You want to remember the number 7632514885. Which chunked version keeps every digit in the same order? (a) 763 255 14885 (b) 763 251 4885 (c) 673 251 4885 (d) 762 514 885
29. 29.🔢 You want to remember the number 933961903493. Which chunked version keeps every digit in the same order? (a) 9336 9190 3493 (b) 9339 6190 3493 (c) 9333 9619 03493 (d) 9339 1903 493
30. 30.📅 The digits 08041952 are a date: day, month, year. Which chunking shows the date? (a) 08/04/1952 (b) 0804/19/52 (c) 08/0419/52 (d) 080/419/52
31. 31.🔢 You want to remember the number 6466418669. Which chunked version keeps every digit in the same order? (a) 646 641 8669 (b) 646 664 18669 (c) 646 418 669 (d) 664 641 8669
32. 32.📅 The digits 13092023 are a date: day, month, year. Which chunking shows the date? (a) 1309/20/23 (b) 130/920/23 (c) 13/0920/23 (d) 13/09/2023
33. 33.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
35. 35.📅 The digits 09122018 are a date: day, month, year. Which chunking shows the date? (a) 09/12/2018 (b) 0912/20/18 (c) 09/1220/18 (d) 091/220/18
36. 36.🔢 You want to remember the number 8863184840. Which chunked version keeps every digit in the same order? (a) 886 381 4840 (b) 886 331 84840 (c) 886 318 4840 (d) 886 184 840
37. 37.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
38. 38.🔢 You want to remember the number 6635385036. Which chunked version keeps every digit in the same order? (a) 663 538 5036 (b) 663 358 5036 (c) 663 353 85036 (d) 663 585 036
39. 39.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
40. 40.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) changes daily (d) means something to you

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