Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 385 · 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 numbers (b) nothing at all (c) only pictures (d) numbers and letter lists
2. 2.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) reading very fast (d) writing it twice
3. 3.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it is a smaller number (d) it has fewer digits
4. 4.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
5. 5.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 19 and 47 (d) 1 9 4 7
6. 6.🔢 You want to remember the number 1087520289. Which chunked version keeps every digit in the same order? (a) 108 750 289 (b) 108 752 02289 (c) 108 752 0289 (d) 108 752 0298
7. 7.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 5329640276. Which chunked version keeps every digit in the same order? (a) 532 964 2076 (b) 532 964 00276 (c) 532 964 276 (d) 532 964 0276
9. 9.📅 The digits 24052013 are a date: day, month, year. Which chunking shows the date? (a) 24/05/2013 (b) 24/0520/13 (c) 240/520/13 (d) 2405/20/13
10. 10.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
12. 12.📅 The digits 24051995 are a date: day, month, year. Which chunking shows the date? (a) 24/0519/95 (b) 240/519/95 (c) 2405/19/95 (d) 24/05/1995
13. 13.📅 The digits 19071987 are a date: day, month, year. Which chunking shows the date? (a) 19/0719/87 (b) 19/07/1987 (c) 1907/19/87 (d) 190/719/87
14. 14.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
15. 15.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) is very long (d) has no pattern
16. 16.📅 The digits 24061952 are a date: day, month, year. Which chunking shows the date? (a) 240/619/52 (b) 2406/19/52 (c) 24/06/1952 (d) 24/0619/52
17. 17.🔢 You want to remember the number 169226615. Which chunked version keeps every digit in the same order? (a) 169 222 6615 (b) 169 266 15 (c) 169 226 615 (d) 169 226 651
18. 18.🔢 You want to remember the number 145950615954. Which chunked version keeps every digit in the same order? (a) 1455 0615 954 (b) 1455 9506 15954 (c) 1495 5061 5954 (d) 1459 5061 5954
19. 19.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
20. 20.📅 The digits 21011961 are a date: day, month, year. Which chunking shows the date? (a) 21/01/1961 (b) 210/119/61 (c) 2101/19/61 (d) 21/0119/61
21. 21.🔢 You want to remember the number 331866037. Which chunked version keeps every digit in the same order? (a) 331 860 637 (b) 331 186 6037 (c) 331 866 037 (d) 338 660 37
22. 22.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
23. 23.🔢 You want to remember the number 469178204128. Which chunked version keeps every digit in the same order? (a) 4691 7820 4128 (b) 4669 1782 04128 (c) 4697 8204 128 (d) 4691 7802 4128
24. 24.🔢 You want to remember the number 8748679487. Which chunked version keeps every digit in the same order? (a) 877 486 79487 (b) 874 867 9487 (c) 874 869 7487 (d) 848 679 487
25. 25.🔢 You want to remember the number 412264589. Which chunked version keeps every digit in the same order? (a) 412 264 589 (b) 412 264 5899 (c) 412 265 89 (d) 412 264 598
26. 26.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.📅 The digits 08031976 are a date: day, month, year. Which chunking shows the date? (a) 080/319/76 (b) 0803/19/76 (c) 08/0319/76 (d) 08/03/1976
28. 28.🔢 You want to remember the number 282771324247. Which chunked version keeps every digit in the same order? (a) 2827 7132 4247 (b) 2287 7132 4247 (c) 2827 7133 24247 (d) 2877 1324 247
29. 29.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
30. 30.🔢 You want to remember the number 9779737814. Which chunked version keeps every digit in the same order? (a) 977 973 8714 (b) 997 797 37814 (c) 977 973 7814 (d) 977 973 714
31. 31.📅 The digits 22122006 are a date: day, month, year. Which chunking shows the date? (a) 22/1220/06 (b) 22/12/2006 (c) 221/220/06 (d) 2212/20/06
32. 32.🔢 You want to remember the number 6881042699. Which chunked version keeps every digit in the same order? (a) 688 042 699 (b) 688 104 2699 (c) 688 014 2699 (d) 688 810 42699
33. 33.🔢 You want to remember the number 252151104. Which chunked version keeps every digit in the same order? (a) 255 215 1104 (b) 252 151 104 (c) 252 511 04 (d) 252 151 140
34. 34.📅 The digits 22121954 are a date: day, month, year. Which chunking shows the date? (a) 2212/19/54 (b) 221/219/54 (c) 22/12/1954 (d) 22/1219/54
35. 35.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
36. 36.📅 The digits 14061966 are a date: day, month, year. Which chunking shows the date? (a) 140/619/66 (b) 14/06/1966 (c) 1406/19/66 (d) 14/0619/66
37. 37.📅 The digits 01081970 are a date: day, month, year. Which chunking shows the date? (a) 01/08/1970 (b) 0108/19/70 (c) 010/819/70 (d) 01/0819/70
38. 38.📅 The digits 01071981 are a date: day, month, year. Which chunking shows the date? (a) 010/719/81 (b) 01/07/1981 (c) 0107/19/81 (d) 01/0719/81
39. 39.🔢 You want to remember the number 317554060881. Which chunked version keeps every digit in the same order? (a) 3175 5406 0881 (b) 3175 5440 60881 (c) 3755 4060 881 (d) 3175 5400 6881
40. 40.🔢 You want to remember the number 757197663. Which chunked version keeps every digit in the same order? (a) 757 197 63 (b) 757 197 663 (c) 577 197 663 (d) 757 197 7663

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