Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 716 · 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.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) three chunks, not ten (c) it is printed bigger (d) it is a smaller number
2. 2.🔢 You want to remember the number 208903130. Which chunked version keeps every digit in the same order? (a) 208 901 330 (b) 208 903 130 (c) 209 031 30 (d) 208 903 1300
3. 3.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
4. 4.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
6. 6.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
8. 8.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
10. 10.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) only numbers (d) numbers and letter lists
11. 11.🔢 You want to remember the number 3661983701. Which chunked version keeps every digit in the same order? (a) 366 198 7301 (b) 336 619 83701 (c) 366 198 3701 (d) 366 198 370
12. 12.📅 The digits 04081993 are a date: day, month, year. Which chunking shows the date? (a) 0408/19/93 (b) 04/08/1993 (c) 040/819/93 (d) 04/0819/93
13. 13.🔢 You want to remember the number 394178824. Which chunked version keeps every digit in the same order? (a) 394 178 842 (b) 394 178 84 (c) 394 178 824 (d) 394 178 8244
14. 14.📅 The digits 01021961 are a date: day, month, year. Which chunking shows the date? (a) 01/0219/61 (b) 01/02/1961 (c) 0102/19/61 (d) 010/219/61
15. 15.📅 The digits 26021987 are a date: day, month, year. Which chunking shows the date? (a) 2602/19/87 (b) 260/219/87 (c) 26/02/1987 (d) 26/0219/87
16. 16.🔢 You want to remember the number 903802655043. Which chunked version keeps every digit in the same order? (a) 9038 0625 5043 (b) 9038 0226 55043 (c) 9038 0265 5043 (d) 9038 0265 043
17. 17.📅 The digits 12041976 are a date: day, month, year. Which chunking shows the date? (a) 12/0419/76 (b) 1204/19/76 (c) 120/419/76 (d) 12/04/1976
18. 18.🔢 You want to remember the number 9426193514. Which chunked version keeps every digit in the same order? (a) 942 619 3514 (b) 944 261 93514 (c) 942 619 354 (d) 942 619 5314
19. 19.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 132394917391. Which chunked version keeps every digit in the same order? (a) 1323 9419 7391 (b) 1323 9449 17391 (c) 1323 9491 7391 (d) 1239 4917 391
21. 21.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) is very long (d) changes daily
23. 23.🔢 You want to remember the number 513706868. Which chunked version keeps every digit in the same order? (a) 513 706 868 (b) 513 068 68 (c) 513 700 6868 (d) 517 306 868
24. 24.🔢 You want to remember the number 909635948946. Which chunked version keeps every digit in the same order? (a) 9096 3594 8496 (b) 0963 5948 946 (c) 9009 6359 48946 (d) 9096 3594 8946
25. 25.🔢 You want to remember the number 986253606. Which chunked version keeps every digit in the same order? (a) 982 536 06 (b) 986 253 6006 (c) 986 253 606 (d) 982 653 606
26. 26.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
28. 28.📅 The digits 28072021 are a date: day, month, year. Which chunking shows the date? (a) 280/720/21 (b) 28/0720/21 (c) 2807/20/21 (d) 28/07/2021
29. 29.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
30. 30.🔢 You want to remember the number 451234038. Which chunked version keeps every digit in the same order? (a) 451 243 038 (b) 451 234 038 (c) 452 340 38 (d) 451 234 0388
31. 31.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 194 and 7 (d) 1 and 947
32. 32.🔢 You want to remember the number 347136949240. Which chunked version keeps every digit in the same order? (a) 3471 3699 4240 (b) 3471 3694 9240 (c) 3471 3699 240 (d) 3471 3694 92240
33. 33.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.📅 The digits 03041956 are a date: day, month, year. Which chunking shows the date? (a) 0304/19/56 (b) 03/0419/56 (c) 030/419/56 (d) 03/04/1956
35. 35.🔢 You want to remember the number 299687232. Which chunked version keeps every digit in the same order? (a) 299 687 232 (b) 296 987 232 (c) 299 968 7232 (d) 296 872 32
36. 36.🔢 You want to remember the number 857915291059. Which chunked version keeps every digit in the same order? (a) 8579 1529 1059 (b) 8579 9152 91059 (c) 8791 5291 059 (d) 8579 1529 1095
37. 37.📅 The digits 01062023 are a date: day, month, year. Which chunking shows the date? (a) 010/620/23 (b) 01/06/2023 (c) 0106/20/23 (d) 01/0620/23
38. 38.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
39. 39.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
40. 40.🔢 You want to remember the number 172423508. Which chunked version keeps every digit in the same order? (a) 174 235 08 (b) 172 423 508 (c) 172 422 3508 (d) 172 425 308

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