Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 970 · 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.🔢 You want to remember the number 295117930. Which chunked version keeps every digit in the same order? (a) 259 117 930 (b) 229 511 7930 (c) 951 179 30 (d) 295 117 930
2. 2.🔢 You want to remember the number 690522151274. Which chunked version keeps every digit in the same order? (a) 6905 2215 1274 (b) 6900 5221 51274 (c) 6905 2215 274 (d) 6905 2215 2174
3. 3.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
4. 4.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 You want to remember the number 340135003550. Which chunked version keeps every digit in the same order? (a) 3401 3003 550 (b) 3401 3503 0550 (c) 3401 3500 35500 (d) 3401 3500 3550
6. 6.📅 The digits 19051963 are a date: day, month, year. Which chunking shows the date? (a) 190/519/63 (b) 19/0519/63 (c) 1905/19/63 (d) 19/05/1963
7. 7.🔢 You want to remember the number 871273742961. Which chunked version keeps every digit in the same order? (a) 8727 3742 961 (b) 7812 7374 2961 (c) 8712 7374 2961 (d) 8712 7337 42961
8. 8.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) splitting into groups (d) saying it backwards
9. 9.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only pictures (d) only numbers
10. 10.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
11. 11.📅 The digits 12041959 are a date: day, month, year. Which chunking shows the date? (a) 1204/19/59 (b) 120/419/59 (c) 12/04/1959 (d) 12/0419/59
12. 12.📅 The digits 23012024 are a date: day, month, year. Which chunking shows the date? (a) 23/0120/24 (b) 23/01/2024 (c) 230/120/24 (d) 2301/20/24
13. 13.🔢 You want to remember the number 6117016012. Which chunked version keeps every digit in the same order? (a) 611 706 012 (b) 611 710 6012 (c) 611 701 6012 (d) 661 170 16012
14. 14.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 172891107899. Which chunked version keeps every digit in the same order? (a) 1728 9107 899 (b) 1728 9110 7899 (c) 1728 9110 78899 (d) 1782 9110 7899
16. 16.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 659489760. Which chunked version keeps every digit in the same order? (a) 659 498 760 (b) 659 489 760 (c) 659 488 9760 (d) 659 897 60
18. 18.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 and 947 (d) 1 9 4 7
19. 19.📅 The digits 11101961 are a date: day, month, year. Which chunking shows the date? (a) 1110/19/61 (b) 11/10/1961 (c) 11/1019/61 (d) 111/019/61
20. 20.🔢 You want to remember the number 840693700. Which chunked version keeps every digit in the same order? (a) 840 693 7000 (b) 840 693 700 (c) 840 937 00 (d) 846 093 700
21. 21.🔢 You want to remember the number 4368081531. Which chunked version keeps every digit in the same order? (a) 436 808 81531 (b) 436 808 1531 (c) 436 880 1531 (d) 436 808 153
22. 22.🔢 You want to remember the number 705439666. Which chunked version keeps every digit in the same order? (a) 705 439 666 (b) 705 496 66 (c) 750 439 666 (d) 705 433 9666
23. 23.🔢 You want to remember the number 795671936. Which chunked version keeps every digit in the same order? (a) 795 671 93 (b) 795 671 396 (c) 795 671 936 (d) 799 567 1936
24. 24.🔢 You want to remember the number 659445477093. Which chunked version keeps every digit in the same order? (a) 6594 5477 093 (b) 6594 4547 7093 (c) 6954 4547 7093 (d) 6594 4547 70093
25. 25.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.🔢 You want to remember the number 8313094671. Which chunked version keeps every digit in the same order? (a) 833 130 94671 (b) 831 309 4761 (c) 313 094 671 (d) 831 309 4671
27. 27.📅 The digits 23082013 are a date: day, month, year. Which chunking shows the date? (a) 2308/20/13 (b) 230/820/13 (c) 23/0820/13 (d) 23/08/2013
28. 28.📅 The digits 12112005 are a date: day, month, year. Which chunking shows the date? (a) 121/120/05 (b) 12/1120/05 (c) 12/11/2005 (d) 1211/20/05
29. 29.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) has no pattern (d) means something to you
30. 30.🔢 You want to remember the number 179887568612. Which chunked version keeps every digit in the same order? (a) 1798 8756 612 (b) 1798 8875 68612 (c) 1798 8756 8621 (d) 1798 8756 8612
31. 31.📅 The digits 13081986 are a date: day, month, year. Which chunking shows the date? (a) 13/0819/86 (b) 1308/19/86 (c) 130/819/86 (d) 13/08/1986
32. 32.📅 The digits 09101974 are a date: day, month, year. Which chunking shows the date? (a) 0910/19/74 (b) 09/10/1974 (c) 09/1019/74 (d) 091/019/74
33. 33.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
34. 34.🔢 You want to remember the number 8741160742. Which chunked version keeps every digit in the same order? (a) 874 116 60742 (b) 874 116 072 (c) 874 116 0742 (d) 784 116 0742
35. 35.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
36. 36.📅 The digits 05031990 are a date: day, month, year. Which chunking shows the date? (a) 05/0319/90 (b) 05/03/1990 (c) 0503/19/90 (d) 050/319/90
37. 37.🔢 You want to remember the number 1518473012. Which chunked version keeps every digit in the same order? (a) 151 487 3012 (b) 151 847 30112 (c) 151 847 3012 (d) 151 847 312
38. 38.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
39. 39.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
40. 40.🔢 You want to remember the number 1601516574. Which chunked version keeps every digit in the same order? (a) 160 151 6574 (b) 160 151 654 (c) 160 151 16574 (d) 160 151 6754

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