Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 481 · 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.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
3. 3.📅 The digits 02071953 are a date: day, month, year. Which chunking shows the date? (a) 020/719/53 (b) 02/0719/53 (c) 0207/19/53 (d) 02/07/1953
4. 4.📅 The digits 03081978 are a date: day, month, year. Which chunking shows the date? (a) 0308/19/78 (b) 03/08/1978 (c) 03/0819/78 (d) 030/819/78
5. 5.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) writing it twice (d) splitting into groups
6. 6.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
7. 7.🔢 You want to remember the number 283555861213. Which chunked version keeps every digit in the same order? (a) 2835 5586 1213 (b) 2283 5558 61213 (c) 2855 5861 213 (d) 8235 5586 1213
8. 8.🔢 You want to remember the number 5974414838. Which chunked version keeps every digit in the same order? (a) 574 414 838 (b) 597 414 4838 (c) 597 744 14838 (d) 597 441 4838
9. 9.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
10. 10.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
11. 11.🔢 You want to remember the number 907535609. Which chunked version keeps every digit in the same order? (a) 907 535 09 (b) 907 535 609 (c) 907 535 069 (d) 990 753 5609
12. 12.🔢 You want to remember the number 180374192844. Which chunked version keeps every digit in the same order? (a) 1807 4192 844 (b) 1803 7741 92844 (c) 1803 7149 2844 (d) 1803 7419 2844
13. 13.📅 The digits 05111965 are a date: day, month, year. Which chunking shows the date? (a) 0511/19/65 (b) 05/11/1965 (c) 05/1119/65 (d) 051/119/65
14. 14.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
16. 16.🔢 You want to remember the number 821652707711. Which chunked version keeps every digit in the same order? (a) 8216 5270 7711 (b) 8221 6527 07711 (c) 8126 5270 7711 (d) 2165 2707 711
17. 17.🔢 You want to remember the number 591263568. Which chunked version keeps every digit in the same order? (a) 591 263 658 (b) 591 263 5688 (c) 512 635 68 (d) 591 263 568
18. 18.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.🔢 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
20. 20.🔢 You want to remember the number 741922808. Which chunked version keeps every digit in the same order? (a) 741 922 880 (b) 741 922 08 (c) 741 922 2808 (d) 741 922 808
21. 21.📅 The digits 13111994 are a date: day, month, year. Which chunking shows the date? (a) 1311/19/94 (b) 131/119/94 (c) 13/1119/94 (d) 13/11/1994
22. 22.📅 The digits 07072019 are a date: day, month, year. Which chunking shows the date? (a) 070/720/19 (b) 07/07/2019 (c) 0707/20/19 (d) 07/0720/19
23. 23.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 1 9 4 7 (c) 194 and 7 (d) 19 and 47
24. 24.🔢 You want to remember the number 803447320890. Which chunked version keeps every digit in the same order? (a) 8034 4732 08890 (b) 8034 4732 0890 (c) 8034 4732 089 (d) 0834 4732 0890
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.🔢 You want to remember the number 6533559650. Which chunked version keeps every digit in the same order? (a) 635 355 9650 (b) 533 559 650 (c) 653 355 99650 (d) 653 355 9650
27. 27.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
28. 28.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.📅 The digits 04121983 are a date: day, month, year. Which chunking shows the date? (a) 041/219/83 (b) 04/12/1983 (c) 04/1219/83 (d) 0412/19/83
30. 30.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
31. 31.🔢 You want to remember the number 8137669721. Which chunked version keeps every digit in the same order? (a) 811 376 69721 (b) 813 769 6721 (c) 813 669 721 (d) 813 766 9721
32. 32.🔢 You want to remember the number 750192268308. Which chunked version keeps every digit in the same order? (a) 7501 9228 308 (b) 7501 9222 68308 (c) 7501 9226 8308 (d) 7501 2926 8308
33. 33.📅 The digits 25031981 are a date: day, month, year. Which chunking shows the date? (a) 2503/19/81 (b) 25/03/1981 (c) 25/0319/81 (d) 250/319/81
34. 34.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
35. 35.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
36. 36.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
37. 37.🔢 You want to remember the number 943234439. Which chunked version keeps every digit in the same order? (a) 943 234 439 (b) 943 234 4399 (c) 943 244 39 (d) 934 234 439
38. 38.🔢 You want to remember the number 187214507. Which chunked version keeps every digit in the same order? (a) 118 721 4507 (b) 187 214 07 (c) 187 214 507 (d) 182 714 507
39. 39.📅 The digits 14081988 are a date: day, month, year. Which chunking shows the date? (a) 14/0819/88 (b) 1408/19/88 (c) 140/819/88 (d) 14/08/1988
40. 40.📅 The digits 01012015 are a date: day, month, year. Which chunking shows the date? (a) 01/0120/15 (b) 01/01/2015 (c) 010/120/15 (d) 0101/20/15

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