Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 559 · 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 20-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) means something to you (d) changes daily
3. 3.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 You want to remember the number 1578452053. Which chunked version keeps every digit in the same order? (a) 157 842 5053 (b) 157 845 2053 (c) 157 844 52053 (d) 157 845 253
5. 5.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
6. 6.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) splitting into groups (d) saying it backwards
7. 7.🔢 You want to remember the number 338368238281. Which chunked version keeps every digit in the same order? (a) 3383 6823 281 (b) 3383 8623 8281 (c) 3383 6823 38281 (d) 3383 6823 8281
8. 8.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) nothing at all (d) only pictures
9. 9.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) it has fewer digits (d) three chunks, not ten
12. 12.📅 The digits 18101961 are a date: day, month, year. Which chunking shows the date? (a) 18/10/1961 (b) 18/1019/61 (c) 1810/19/61 (d) 181/019/61
13. 13.🔢 You want to remember the number 5110365425. Which chunked version keeps every digit in the same order? (a) 511 036 5245 (b) 510 365 425 (c) 511 036 54255 (d) 511 036 5425
14. 14.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 8675884270. Which chunked version keeps every digit in the same order? (a) 867 588 4207 (b) 867 758 84270 (c) 865 884 270 (d) 867 588 4270
16. 16.📅 The digits 19021971 are a date: day, month, year. Which chunking shows the date? (a) 1902/19/71 (b) 190/219/71 (c) 19/02/1971 (d) 19/0219/71
17. 17.🔢 You want to remember the number 459913149368. Which chunked version keeps every digit in the same order? (a) 4599 1314 968 (b) 4599 1314 49368 (c) 4599 1314 9386 (d) 4599 1314 9368
18. 18.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 1 9 4 7 (d) 194 and 7
19. 19.📅 The digits 27041959 are a date: day, month, year. Which chunking shows the date? (a) 27/04/1959 (b) 270/419/59 (c) 2704/19/59 (d) 27/0419/59
20. 20.🔢 You want to remember the number 7231092686. Which chunked version keeps every digit in the same order? (a) 273 109 2686 (b) 723 310 92686 (c) 723 109 268 (d) 723 109 2686
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 9397599701. Which chunked version keeps every digit in the same order? (a) 939 759 7901 (b) 939 759 9701 (c) 939 975 99701 (d) 939 759 971
23. 23.📅 The digits 20021998 are a date: day, month, year. Which chunking shows the date? (a) 2002/19/98 (b) 20/0219/98 (c) 200/219/98 (d) 20/02/1998
24. 24.🔢 You want to remember the number 2601547174. Which chunked version keeps every digit in the same order? (a) 260 154 77174 (b) 206 154 7174 (c) 601 547 174 (d) 260 154 7174
25. 25.📅 The digits 06072000 are a date: day, month, year. Which chunking shows the date? (a) 0607/20/00 (b) 06/0720/00 (c) 06/07/2000 (d) 060/720/00
26. 26.📅 The digits 10082004 are a date: day, month, year. Which chunking shows the date? (a) 1008/20/04 (b) 10/08/2004 (c) 10/0820/04 (d) 100/820/04
27. 27.🔢 You want to remember the number 507859582540. Which chunked version keeps every digit in the same order? (a) 5078 5958 2540 (b) 5078 5955 82540 (c) 5085 9582 540 (d) 5078 5958 2450
28. 28.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
30. 30.🔢 You want to remember the number 1869447114. Which chunked version keeps every digit in the same order? (a) 186 944 77114 (b) 186 944 711 (c) 189 644 7114 (d) 186 944 7114
31. 31.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.📅 The digits 06011967 are a date: day, month, year. Which chunking shows the date? (a) 060/119/67 (b) 0601/19/67 (c) 06/0119/67 (d) 06/01/1967
33. 33.🔢 You want to remember the number 101779849. Which chunked version keeps every digit in the same order? (a) 101 779 849 (b) 110 779 849 (c) 101 777 9849 (d) 101 778 49
34. 34.🔢 You want to remember the number 244869822. Which chunked version keeps every digit in the same order? (a) 244 486 9822 (b) 244 868 22 (c) 244 896 822 (d) 244 869 822
35. 35.🔢 You want to remember the number 771992112088. Which chunked version keeps every digit in the same order? (a) 7719 9211 2088 (b) 7719 9211 208 (c) 7719 9121 2088 (d) 7771 9921 12088
36. 36.🔢 You want to remember the number 2882657902. Which chunked version keeps every digit in the same order? (a) 288 265 902 (b) 288 265 7902 (c) 288 265 9702 (d) 288 265 79002
37. 37.🔢 You want to remember the number 698173180983. Which chunked version keeps every digit in the same order? (a) 6981 7318 00983 (b) 6981 7318 0983 (c) 6981 7318 0893 (d) 6981 3180 983
38. 38.🔢 You want to remember the number 541081672765. Which chunked version keeps every digit in the same order? (a) 5410 1672 765 (b) 5410 8167 2765 (c) 5410 8167 27765 (d) 5410 1867 2765
39. 39.📅 The digits 19031967 are a date: day, month, year. Which chunking shows the date? (a) 19/0319/67 (b) 19/03/1967 (c) 1903/19/67 (d) 190/319/67
40. 40.🔢 You want to remember the number 198119905. Which chunked version keeps every digit in the same order? (a) 199 811 9905 (b) 198 119 905 (c) 191 199 05 (d) 918 119 905

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