Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 197 · 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.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.📅 The digits 09041975 are a date: day, month, year. Which chunking shows the date? (a) 090/419/75 (b) 09/0419/75 (c) 0904/19/75 (d) 09/04/1975
4. 4.📅 The digits 07072019 are a date: day, month, year. Which chunking shows the date? (a) 0707/20/19 (b) 070/720/19 (c) 07/0720/19 (d) 07/07/2019
5. 5.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 194 and 7 (c) 1 9 4 7 (d) 1 and 947
6. 6.📅 The digits 11051953 are a date: day, month, year. Which chunking shows the date? (a) 1105/19/53 (b) 110/519/53 (c) 11/05/1953 (d) 11/0519/53
7. 7.🔢 You want to remember the number 545384362202. Which chunked version keeps every digit in the same order? (a) 5453 8463 2202 (b) 5438 4362 202 (c) 5453 8436 2202 (d) 5453 8843 62202
8. 8.🔢 You want to remember the number 333569784. Which chunked version keeps every digit in the same order? (a) 333 569 74 (b) 333 569 748 (c) 333 569 784 (d) 333 569 7784
9. 9.📅 The digits 13082005 are a date: day, month, year. Which chunking shows the date? (a) 130/820/05 (b) 13/0820/05 (c) 13/08/2005 (d) 1308/20/05
10. 10.🔢 You want to remember the number 722978520459. Which chunked version keeps every digit in the same order? (a) 7227 9852 0459 (b) 7229 7852 04599 (c) 7229 7852 459 (d) 7229 7852 0459
11. 11.🔢 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
12. 12.🔢 You want to remember the number 193292628044. Which chunked version keeps every digit in the same order? (a) 1932 9262 0844 (b) 1932 9262 844 (c) 1933 2926 28044 (d) 1932 9262 8044
13. 13.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
14. 14.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 9573331215. Which chunked version keeps every digit in the same order? (a) 957 333 115 (b) 975 333 1215 (c) 957 733 31215 (d) 957 333 1215
16. 16.📅 The digits 02062003 are a date: day, month, year. Which chunking shows the date? (a) 020/620/03 (b) 02/0620/03 (c) 0206/20/03 (d) 02/06/2003
17. 17.🔢 You want to remember the number 3853607762. Which chunked version keeps every digit in the same order? (a) 388 536 07762 (b) 385 367 0762 (c) 385 307 762 (d) 385 360 7762
18. 18.📅 The digits 17051985 are a date: day, month, year. Which chunking shows the date? (a) 1705/19/85 (b) 170/519/85 (c) 17/0519/85 (d) 17/05/1985
19. 19.📅 The digits 23121951 are a date: day, month, year. Which chunking shows the date? (a) 23/1219/51 (b) 23/12/1951 (c) 2312/19/51 (d) 231/219/51
20. 20.🔢 You want to remember the number 277806182511. Which chunked version keeps every digit in the same order? (a) 7278 0618 2511 (b) 2780 6182 511 (c) 2778 0618 2511 (d) 2778 8061 82511
21. 21.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
22. 22.🔢 You want to remember the number 5916953609. Which chunked version keeps every digit in the same order? (a) 591 695 3609 (b) 591 695 36609 (c) 591 953 609 (d) 519 695 3609
23. 23.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
24. 24.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
25. 25.🔢 You want to remember the number 335532457. Which chunked version keeps every digit in the same order? (a) 353 532 457 (b) 335 532 457 (c) 355 324 57 (d) 333 553 2457
26. 26.📅 The digits 22071980 are a date: day, month, year. Which chunking shows the date? (a) 22/0719/80 (b) 2207/19/80 (c) 22/07/1980 (d) 220/719/80
27. 27.🔢 Chunking works for… (a) only numbers (b) only pictures (c) nothing at all (d) numbers and letter lists
28. 28.📅 The digits 01041952 are a date: day, month, year. Which chunking shows the date? (a) 0104/19/52 (b) 01/0419/52 (c) 010/419/52 (d) 01/04/1952
29. 29.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
30. 30.📅 The digits 18022017 are a date: day, month, year. Which chunking shows the date? (a) 1802/20/17 (b) 18/0220/17 (c) 180/220/17 (d) 18/02/2017
31. 31.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 588528041019. Which chunked version keeps every digit in the same order? (a) 5885 2804 1019 (b) 5858 2804 1019 (c) 5885 2841 019 (d) 5885 2804 10199
34. 34.🔢 You want to remember the number 9776433960. Which chunked version keeps every digit in the same order? (a) 977 643 3960 (b) 977 643 9360 (c) 977 643 960 (d) 977 644 33960
35. 35.🔢 You want to remember the number 258636619. Which chunked version keeps every digit in the same order? (a) 258 636 619 (b) 258 636 6619 (c) 258 636 19 (d) 285 636 619
36. 36.🔢 You want to remember the number 3885048831. Which chunked version keeps every digit in the same order? (a) 388 504 881 (b) 385 804 8831 (c) 388 504 88331 (d) 388 504 8831
37. 37.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 275996266132. Which chunked version keeps every digit in the same order? (a) 2759 9962 66132 (b) 2759 9266 132 (c) 2759 6926 6132 (d) 2759 9626 6132
39. 39.🔢 You want to remember the number 1918355650. Which chunked version keeps every digit in the same order? (a) 118 355 650 (b) 191 835 5650 (c) 191 835 5560 (d) 191 183 55650
40. 40.🔢 You want to remember the number 613050871786. Which chunked version keeps every digit in the same order? (a) 6133 0508 71786 (b) 6130 5087 178 (c) 6130 5087 1786 (d) 6103 5087 1786

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