Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 471 · 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 16-digit number is split into chunks of 4 digits each. How many chunks is that?
2. 2.🔢 You want to remember the number 680815295. Which chunked version keeps every digit in the same order? (a) 680 815 295 (b) 680 812 595 (c) 680 812 95 (d) 680 811 5295
3. 3.🔢 Instead of holding 10 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 2165677968. Which chunked version keeps every digit in the same order? (a) 216 567 7968 (b) 216 677 968 (c) 216 567 7698 (d) 221 656 77968
5. 5.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
6. 6.🔢 A chunk is easiest to keep when it… (a) changes daily (b) has no pattern (c) is very long (d) means something to you
7. 7.📅 The digits 01022010 are a date: day, month, year. Which chunking shows the date? (a) 0102/20/10 (b) 01/02/2010 (c) 01/0220/10 (d) 010/220/10
8. 8.📅 The digits 03011967 are a date: day, month, year. Which chunking shows the date? (a) 0301/19/67 (b) 03/01/1967 (c) 03/0119/67 (d) 030/119/67
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 1 and 947 (d) 194 and 7
10. 10.📅 The digits 08092004 are a date: day, month, year. Which chunking shows the date? (a) 080/920/04 (b) 0809/20/04 (c) 08/0920/04 (d) 08/09/2004
11. 11.🔢 You want to remember the number 1546212686. Which chunked version keeps every digit in the same order? (a) 514 621 2686 (b) 155 462 12686 (c) 156 212 686 (d) 154 621 2686
12. 12.📅 The digits 15061975 are a date: day, month, year. Which chunking shows the date? (a) 150/619/75 (b) 15/06/1975 (c) 1506/19/75 (d) 15/0619/75
13. 13.🔢 You want to remember the number 5024929097. Which chunked version keeps every digit in the same order? (a) 502 492 9097 (b) 520 492 9097 (c) 502 492 097 (d) 500 249 29097
14. 14.🔢 You want to remember the number 9872809530. Which chunked version keeps every digit in the same order? (a) 988 728 09530 (b) 872 809 530 (c) 987 280 9530 (d) 978 280 9530
15. 15.📅 The digits 18121956 are a date: day, month, year. Which chunking shows the date? (a) 181/219/56 (b) 1812/19/56 (c) 18/1219/56 (d) 18/12/1956
16. 16.🔢 You want to remember the number 285692260465. Which chunked version keeps every digit in the same order? (a) 2856 9226 0465 (b) 2856 9226 045 (c) 2586 9226 0465 (d) 2856 9222 60465
17. 17.🔢 You want to remember the number 205805600. Which chunked version keeps every digit in the same order? (a) 025 805 600 (b) 205 805 60 (c) 205 805 6000 (d) 205 805 600
18. 18.📅 The digits 28031978 are a date: day, month, year. Which chunking shows the date? (a) 28/03/1978 (b) 2803/19/78 (c) 280/319/78 (d) 28/0319/78
19. 19.🔢 You want to remember the number 175034799. Which chunked version keeps every digit in the same order? (a) 175 503 4799 (b) 715 034 799 (c) 175 034 79 (d) 175 034 799
20. 20.🔢 You want to remember the number 502516561. Which chunked version keeps every digit in the same order? (a) 502 251 6561 (b) 502 561 561 (c) 502 516 61 (d) 502 516 561
21. 21.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
22. 22.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
23. 23.📅 The digits 08031964 are a date: day, month, year. Which chunking shows the date? (a) 08/0319/64 (b) 08/03/1964 (c) 080/319/64 (d) 0803/19/64
24. 24.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.🔢 You want to remember the number 699268196. Which chunked version keeps every digit in the same order? (a) 699 261 896 (b) 699 268 196 (c) 669 926 8196 (d) 699 268 16
26. 26.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) three chunks, not ten (c) it is a smaller number (d) it has fewer digits
28. 28.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
29. 29.🔢 You want to remember the number 769539939. Which chunked version keeps every digit in the same order? (a) 769 539 99 (b) 769 539 9399 (c) 769 539 939 (d) 765 939 939
30. 30.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.📅 The digits 12121958 are a date: day, month, year. Which chunking shows the date? (a) 12/1219/58 (b) 1212/19/58 (c) 121/219/58 (d) 12/12/1958
32. 32.🔢 You want to remember the number 811451677. Which chunked version keeps every digit in the same order? (a) 811 451 677 (b) 814 516 77 (c) 811 456 177 (d) 811 445 1677
33. 33.🔢 You want to remember the number 917939846. Which chunked version keeps every digit in the same order? (a) 917 939 846 (b) 917 938 46 (c) 917 938 946 (d) 991 793 9846
34. 34.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
35. 35.📅 The digits 21112010 are a date: day, month, year. Which chunking shows the date? (a) 2111/20/10 (b) 211/120/10 (c) 21/11/2010 (d) 21/1120/10
36. 36.📅 The digits 14101955 are a date: day, month, year. Which chunking shows the date? (a) 14/10/1955 (b) 1410/19/55 (c) 141/019/55 (d) 14/1019/55
37. 37.📅 The digits 06021974 are a date: day, month, year. Which chunking shows the date? (a) 06/02/1974 (b) 06/0219/74 (c) 0602/19/74 (d) 060/219/74
38. 38.🔢 You want to remember the number 370517106. Which chunked version keeps every digit in the same order? (a) 370 517 106 (b) 370 517 160 (c) 370 517 7106 (d) 375 171 06
39. 39.🔢 You want to remember the number 723851840699. Which chunked version keeps every digit in the same order? (a) 7238 5184 0699 (b) 7238 1584 0699 (c) 7285 1840 699 (d) 7238 5184 06999
40. 40.📅 The digits 26061971 are a date: day, month, year. Which chunking shows the date? (a) 2606/19/71 (b) 260/619/71 (c) 26/06/1971 (d) 26/0619/71

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