Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 929 · 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.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
2. 2.📅 The digits 28021966 are a date: day, month, year. Which chunking shows the date? (a) 280/219/66 (b) 2802/19/66 (c) 28/0219/66 (d) 28/02/1966
3. 3.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
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.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
6. 6.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) splitting into groups (d) reading very fast
7. 7.📅 The digits 19021976 are a date: day, month, year. Which chunking shows the date? (a) 1902/19/76 (b) 19/02/1976 (c) 19/0219/76 (d) 190/219/76
8. 8.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 You want to remember the number 112974605. Which chunked version keeps every digit in the same order? (a) 112 974 650 (b) 112 946 05 (c) 112 997 4605 (d) 112 974 605
10. 10.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) it is a smaller number (d) three chunks, not ten
11. 11.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) is very long (d) changes daily
12. 12.🔢 You want to remember the number 741681252. Which chunked version keeps every digit in the same order? (a) 746 812 52 (b) 741 681 2252 (c) 741 681 252 (d) 741 682 152
13. 13.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 1 and 947 (c) 194 and 7 (d) 19 and 47
14. 14.📅 The digits 02111971 are a date: day, month, year. Which chunking shows the date? (a) 0211/19/71 (b) 02/11/1971 (c) 021/119/71 (d) 02/1119/71
15. 15.🔢 You want to remember the number 787843158. Which chunked version keeps every digit in the same order? (a) 788 743 158 (b) 787 784 3158 (c) 787 843 158 (d) 787 431 58
16. 16.🔢 You want to remember the number 930150642. Which chunked version keeps every digit in the same order? (a) 993 015 0642 (b) 930 150 624 (c) 930 150 62 (d) 930 150 642
17. 17.🔢 You want to remember the number 1999975053. Which chunked version keeps every digit in the same order? (a) 199 975 053 (b) 199 997 50053 (c) 919 997 5053 (d) 199 997 5053
18. 18.📅 The digits 08072024 are a date: day, month, year. Which chunking shows the date? (a) 0807/20/24 (b) 08/0720/24 (c) 08/07/2024 (d) 080/720/24
19. 19.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.📅 The digits 24021990 are a date: day, month, year. Which chunking shows the date? (a) 240/219/90 (b) 2402/19/90 (c) 24/0219/90 (d) 24/02/1990
21. 21.🔢 You want to remember the number 181181114133. Which chunked version keeps every digit in the same order? (a) 1811 8111 4133 (b) 1181 8111 4133 (c) 1818 1114 133 (d) 1811 8111 14133
22. 22.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
24. 24.🔢 You want to remember the number 871367645. Which chunked version keeps every digit in the same order? (a) 871 336 7645 (b) 871 376 45 (c) 871 367 645 (d) 871 637 645
25. 25.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 701789799159. Which chunked version keeps every digit in the same order? (a) 7017 8979 919 (b) 7017 8979 99159 (c) 7017 8979 9159 (d) 7017 8979 9195
28. 28.📅 The digits 22031953 are a date: day, month, year. Which chunking shows the date? (a) 22/0319/53 (b) 22/03/1953 (c) 220/319/53 (d) 2203/19/53
29. 29.🔢 You want to remember the number 352423198. Which chunked version keeps every digit in the same order? (a) 352 423 98 (b) 352 423 3198 (c) 352 423 198 (d) 532 423 198
30. 30.📅 The digits 19101957 are a date: day, month, year. Which chunking shows the date? (a) 19/1019/57 (b) 1910/19/57 (c) 191/019/57 (d) 19/10/1957
31. 31.🔢 You want to remember the number 971267103559. Which chunked version keeps every digit in the same order? (a) 9712 6710 3559 (b) 9712 6710 359 (c) 9712 6713 0559 (d) 9712 6671 03559
32. 32.🔢 You want to remember the number 4453797153. Which chunked version keeps every digit in the same order? (a) 445 379 753 (b) 444 537 97153 (c) 445 379 7153 (d) 454 379 7153
33. 33.🔢 You want to remember the number 750191214700. Which chunked version keeps every digit in the same order? (a) 7501 1921 4700 (b) 7501 9121 470 (c) 7501 9121 4700 (d) 7501 9121 44700
34. 34.🔢 You want to remember the number 671371831653. Which chunked version keeps every digit in the same order? (a) 7137 1831 653 (b) 6713 7138 1653 (c) 6713 7183 16653 (d) 6713 7183 1653
35. 35.📅 The digits 24062007 are a date: day, month, year. Which chunking shows the date? (a) 24/06/2007 (b) 2406/20/07 (c) 240/620/07 (d) 24/0620/07
36. 36.📅 The digits 13021986 are a date: day, month, year. Which chunking shows the date? (a) 130/219/86 (b) 13/0219/86 (c) 13/02/1986 (d) 1302/19/86
37. 37.🔢 You want to remember the number 853043600. Which chunked version keeps every digit in the same order? (a) 853 043 60 (b) 853 034 600 (c) 853 043 6000 (d) 853 043 600
38. 38.📅 The digits 27061970 are a date: day, month, year. Which chunking shows the date? (a) 2706/19/70 (b) 27/0619/70 (c) 270/619/70 (d) 27/06/1970
39. 39.🔢 You want to remember the number 2761983804. Which chunked version keeps every digit in the same order? (a) 276 193 804 (b) 277 619 83804 (c) 276 198 3804 (d) 276 198 3084
40. 40.🔢 You want to remember the number 947840816. Which chunked version keeps every digit in the same order? (a) 947 840 816 (b) 947 840 861 (c) 947 844 0816 (d) 947 408 16

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