Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 836 · 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 7322009793. Which chunked version keeps every digit in the same order? (a) 732 200 9793 (b) 732 200 9973 (c) 732 200 793 (d) 732 200 09793
2. 2.🔢 You want to remember the number 377885233. Which chunked version keeps every digit in the same order? (a) 377 885 233 (b) 778 852 33 (c) 377 885 2333 (d) 378 785 233
3. 3.🔢 You want to remember the number 6337579715. Which chunked version keeps every digit in the same order? (a) 633 759 7715 (b) 633 755 79715 (c) 633 759 715 (d) 633 757 9715
4. 4.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) is very long (d) has no pattern
5. 5.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
6. 6.🔢 You want to remember the number 8048135629. Which chunked version keeps every digit in the same order? (a) 804 813 35629 (b) 084 813 5629 (c) 804 813 5629 (d) 804 813 529
7. 7.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
8. 8.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
9. 9.📅 The digits 14022008 are a date: day, month, year. Which chunking shows the date? (a) 14/02/2008 (b) 14/0220/08 (c) 1402/20/08 (d) 140/220/08
10. 10.🔢 You want to remember the number 636946835023. Which chunked version keeps every digit in the same order? (a) 6369 4683 5023 (b) 6636 9468 35023 (c) 6369 6483 5023 (d) 6369 4683 023
11. 11.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
13. 13.🔢 You want to remember the number 255120621. Which chunked version keeps every digit in the same order? (a) 255 126 021 (b) 255 120 21 (c) 255 120 621 (d) 255 120 6221
14. 14.🔢 You want to remember the number 315698301. Which chunked version keeps every digit in the same order? (a) 315 693 801 (b) 315 698 301 (c) 356 983 01 (d) 315 569 8301
15. 15.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it has fewer digits (c) it is a smaller number (d) it is printed bigger
16. 16.🔢 You want to remember the number 3779779772. Which chunked version keeps every digit in the same order? (a) 377 977 9727 (b) 377 977 79772 (c) 377 977 9772 (d) 377 977 972
17. 17.📅 The digits 16021992 are a date: day, month, year. Which chunking shows the date? (a) 1602/19/92 (b) 16/0219/92 (c) 160/219/92 (d) 16/02/1992
18. 18.🔢 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
19. 19.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
20. 20.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
21. 21.📅 The digits 03031951 are a date: day, month, year. Which chunking shows the date? (a) 03/0319/51 (b) 030/319/51 (c) 03/03/1951 (d) 0303/19/51
22. 22.🔢 You want to remember the number 755309710. Which chunked version keeps every digit in the same order? (a) 755 309 710 (b) 575 309 710 (c) 553 097 10 (d) 755 309 7710
23. 23.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.📅 The digits 20012006 are a date: day, month, year. Which chunking shows the date? (a) 20/01/2006 (b) 20/0120/06 (c) 2001/20/06 (d) 200/120/06
25. 25.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.📅 The digits 27011979 are a date: day, month, year. Which chunking shows the date? (a) 27/0119/79 (b) 27/01/1979 (c) 2701/19/79 (d) 270/119/79
27. 27.🔢 You want to remember the number 418485083277. Which chunked version keeps every digit in the same order? (a) 4184 8508 3277 (b) 4184 8508 83277 (c) 4188 5083 277 (d) 4814 8508 3277
28. 28.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 8647525894. Which chunked version keeps every digit in the same order? (a) 864 752 5984 (b) 864 752 589 (c) 864 752 5894 (d) 864 752 55894
30. 30.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.📅 The digits 13071950 are a date: day, month, year. Which chunking shows the date? (a) 1307/19/50 (b) 13/07/1950 (c) 130/719/50 (d) 13/0719/50
32. 32.🔢 You want to remember the number 8377288477. Which chunked version keeps every digit in the same order? (a) 837 728 8477 (b) 377 288 477 (c) 837 728 4877 (d) 837 722 88477
33. 33.📅 The digits 10092025 are a date: day, month, year. Which chunking shows the date? (a) 10/0920/25 (b) 1009/20/25 (c) 10/09/2025 (d) 100/920/25
34. 34.📅 The digits 24061991 are a date: day, month, year. Which chunking shows the date? (a) 2406/19/91 (b) 24/0619/91 (c) 24/06/1991 (d) 240/619/91
35. 35.📅 The digits 19062004 are a date: day, month, year. Which chunking shows the date? (a) 19/0620/04 (b) 1906/20/04 (c) 19/06/2004 (d) 190/620/04
36. 36.🔢 You want to remember the number 1951404152. Which chunked version keeps every digit in the same order? (a) 195 140 04152 (b) 159 140 4152 (c) 195 104 152 (d) 195 140 4152
37. 37.📅 The digits 20101966 are a date: day, month, year. Which chunking shows the date? (a) 201/019/66 (b) 2010/19/66 (c) 20/1019/66 (d) 20/10/1966
38. 38.📅 The digits 21111971 are a date: day, month, year. Which chunking shows the date? (a) 21/1119/71 (b) 2111/19/71 (c) 211/119/71 (d) 21/11/1971
39. 39.📅 The digits 18021992 are a date: day, month, year. Which chunking shows the date? (a) 180/219/92 (b) 18/0219/92 (c) 18/02/1992 (d) 1802/19/92
40. 40.🔢 You want to remember the number 814913278919. Which chunked version keeps every digit in the same order? (a) 8149 9132 78919 (b) 8491 3278 919 (c) 8149 1327 8919 (d) 8149 1237 8919

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